Ram slot 4 not working I tried every combination of slots like 1 and 3, 2 and 4, 1 and 4 but nothing. Clean RAM and RAM Slots. No matter the ram stick, B1 and B2 did not work. I tried using only 1 RAM stick at a time. I would expect the reason to be one of slots to be malfunctioning, but that's not exactly the case. The slot is powered (RGB) ram but any combination of 3/4 will cause PC not to display a signal. If I try the other two, failure. Oct 26, 2021 · Since you can get your PC to work, when using 2nd RAM channel, it's up to you, if you want to RMA your MoBo, if you have any warranty left on it. Nov 13, 2020 · 16gb (2x8gb) 3600mhz cl16 RAM dual channel kit Of the 4 DIMM slots, B1 and B2 are not working. Aug 24, 2021 · So like, i try to add additional 4*2 Gb ram to my DIMM slot 3 and 4, DIMM slot 2 already has 8 GB ram, im trying to take it to 16 gb, im not using DIMM slot 1 as its broken. Apr 4, 2018 · Issue. Turns out the problem is B450 Aorus Elite doesn't like 4 high frequency ram sticks. What can I do if only one RAM slot is working? 1. Dec 28, 2021 · After which, I couldn't boot with my 4 sticks of Gskill Ram. The ams only works for slots 1& 2, slots 3& 4 motors do not activate once the filament is inserted. Sometimes i can boot with 2 sticks A2 B2, but without XMP. That is primary cause of problems with slots 3 & 4 RAM on s1155 MBs. If you insert an 8GB RAM stick in the RAM slot, it might not be detected. Bought supported RAM and A2+B2 combination worked. 1) motherboard since 2017. When I boot my machine and my memory card is in either slot 3 or 4 the PC wont boot and it keep showing a orange and sometimes a red color dot on the motherboard. Hey all, I recently bought a p1s with the ams system. If your sticks are in slots 3 and 4, my guess is they're not running in dual channel mode. After installing it, the PC wouldn't start/no signal and the EZ LED Debug had a red CPU light. **List anything you've done in attempt to diagnose or fixthe problem. The system works fine, but one RAM Socket is not working. i7-12700. Only 8gb at 2133Mhz Slots 3&4, just 3, or just 4: No post, EZ debug led sits on DRAM light, no restarts. Oct 8, 2023 · RAM: Kingston Fury Beast DDR5-5200mhz 32GB (KF552C40BBK2-32) I have 2 sets of the same ram, so a total of 64gb of ram and have filled out all 4 ram slots I built the computer on friday, could not get it to post, after troubleshooting i found out it would only boot with 1 or 2 ram slot in. Pc had some problems with Mobo, did a reset and now doesn't work with 2 sticks of ram. After a trying to everything, I found out that the 3rd and 4th ram slot seems to cause the pc to not boot and make it stuck on the DRAM Lights. It’s definitely the slot and not the sticks. 4] Check your CPU pins Slot 1 works - comes up with a message about using optimise slots 2 and 4 then boots to windows Slot 2 works - boots to windows Slot 3 No boot no display, DRAM and CPU EZ debug led white Slot 4 No boot no display, DRAM and CPU EZ debug led white Both sticks: Slot 1 & 2 boots comes up with a message about using optimise slots 2 and 4 then boots Jul 28, 2023 · So, what’s the difference between RAM slots 1-3 vs. Motherboard: NZXT N7 Z690 Cpu: I7 12700k Dec 29, 2021 · Hi! I upgraded my pc yesterday from Intel to AMD . Same as slot 1&3. In my experience (T460s, 2X8 GB ram, 4GB soldered on, 4 GB modular stick), it is the ram slot/ wiring connecting the ram slot I can diffidently tell this as the removable stick works in other, while previously working sticks do not work in the t460s, while still working before and after in other systems (yes it is compatible, and the BIOS reads I put the ram in slots 1 and 3 (1 being closest to 24 pin) and the computer does not boot. Does Windows say that both RAM cards are detected? Does F2 BIOS say that both RAM cards are detected and working. It’s my first build. Only slots 1 and 2 work on the motherboard where I can actually boot to Windows 10. I take out 3, I move 1 stick into each slot and only slot 1 & 2 work. If not, use your PC until all the RAM slots die eventually and then replace MoBo. But of course, this isn't ideal since there's no dual channel because of the way the RAM is laid out. Memory controller is in CPU and there have been some people that have had bent pins in the socket being the problem. CPU has no bent pins and Jan 27, 2023 · My Dell Inspiron 15R 5520's upper RAM slot is working fine. All other ram slots work. I take out stick 3 and it boots fine and only have slot 1. Mar 13, 2022 · I just purchased 4 new ram sticks Amazon listing: (G. But when I put the same RAM stick in the lower RAM slot, it causes beeps, and the laptop doesn't boot up. If I move the RAM to the second slot, the mother board does not start and EZ debug leds CPU/DRAM are blinking. Built my first pc recently. I first ran it in dual channel mode to test to see if it worked. Changed the RAM slot from 2nd to 1st and the pc booted fine into the bios, telling me to change R slot to either 2 or 4 for better performance. Reply reply More replies. Turns out if I have either the original or new one in the 2nd slot, with nothing in the first, windows won't turn on (as in it doesnt register any ram in the computer) I did a ram memory trouble shoot thing, didn't help. So I'm still stuck at 32GB :( instead of my usual 64GB RAM for work. The second slot however, the computer won't boot if only the Dec 26, 2021 · So I went to boot my PC up today and I noticed it was boot cycling, eventually I got it to boot and I noticed that my PC is detecting both sticks, but Windows can only access 1 stick or something? Basically it says 16. Here are some common signs that indicate a RAM slot may not be functioning correctly: After assembling everything together, it wouldn't POST and had an orange Q-LED lit up, indicating a problem with the RAM even though both RAM were inserted and had glowing RGB. 03. Apr 5, 2020 · Yes, a bent pin can cause a ram slot to be disabled, but in this case all slots seem to be working. Setting the Rampage Tweak Mode 1 in the DRAM Timing Control did not help. Dec 13, 2022 · TLDR: I have 4 sticks of RAM, but one RAM slot consistently doesn't acknowledge sticks A while ago my PC crashed hard, not even a BSOD. I don't think that your ram slots on your motherboard are faulty because they both detect your rams in DIMMA1 and DIMMB1. ** When i try to boot with 1 ram stick in the first or second slot however, it also doesnt boot. 1&3 are only to be used when populating 4sticks. I thought you had issue of RAM slots not working, not CPU having a bent pin? Welcome to the official subreddit of the PC Master Race / PCMR! All PC-related content is welcome, including build help, tech support, and any doubt one might have about PC ownership. I tried multiple combinations of RAM and mobo slot and eventually found that inserting one of the RAM in slot B allowed it to POST and boot up Windows. Sometimes unused slots may accumulate some dust preventing perfect contact with RAM pins. Is this a problem I can fix or does the motherboard need to be shipped back? I have tried all sticks in that slot. Why is slot 4 no longer working? Since it stopped working after resetting BIOS this makes me think that it is May 4, 2019 · To start with, test each single RAM stick in all of the 4 slots one by one and repeat the same for all other 3 sticks to check if RAMs / Slots are working or not. I tried both sticks in the B1 slot one at a time, and both times no post or display. I would advise you return the Motherboard after inspecting the CPU for damage and if Zero damage to the Pins on the CPU it is a most likely a fault with the Motherboard. With slot 1 filled and slot 2 empty it works just fine and this is true with both my sticks. I entered bios, but nothing there regarding memory. A LED on the board indicates that "the corresponding device is not working normally". Two years or so later, upon restarting, the PC failed to boot up out of the blue. When putting ram into slot 3 or 4, the pc will boot to the bios. Will not run faster than SPD (2133 Mhz) Slot 2&3: Same as slot 1&3, but not dual channel obviously Slot 2&4: Dual channel. If the holes in the RAM slots are covered with dust, breaking the connection. Just letting you all know. I've tried various fixes without succuss. Do not ever use an ink eraser. Feb 25, 2020 · Before buying I checked manual for memory compatibility. I reset the bios, first boot takes a while, everything works. Then reinstall and keep trying until the RAM slot works. I've checked, the CPU is supported. I also tested only using one of them and swapping them out to make sure it's not the RAM's fault. This repeats if I have a RAM stick in slots 1 or 2 whereas 3 and 4 both work just fine. You'll likely need to tweak voltages manually if it will even work at all. SKILL TridentZ RGB Series 32GB (4x8GB) DDR4 3600MHz), and again, the PC would boot to BiOS with 1-2 sticks of RAM in the slots, but not 3-4 sticks in at a time. If i use 1 or 2 together or individually it will work no problem. It worked as well. Try putting each RAM individually in the RAM slots. Jan 10, 2021 · So then, no, it's not a matched set, and as a result, it can be fiddly in different motherboards or configurations. Most definitely not the sticks. bad RAM Slot buty they work one at a time so should be OK Ram slots one and three work together but not in Dual Mode. Long story short, I got new 8gb ram. My understanding is that if all 4 were working, that slots 2 and 4 should be used. I made some progress actually, I cleaned the slot to the best of my ability and it started working, at least for a little bit, though after a few minutes, the display would either go black or turn off until I restarted the laptop. Any time there is a ram in 4 regardless of the rest of the ram locations it seems slot 4 always detects hardware problems in memory diagnostic. At first, I tried to install memories in suggested memory slots, like I found in pdf manual in slots B2 and A2 and that did not worked. RAM is binned, there's no factory pumping out X RAM at Y speed. Much Easier: If you have 2 sets of 4 modules, fill 4 black slots of type 1 , and the other 4 white slot will be filled using type 2. I don't got another desktop board at my disposal (all my other machines are laptops with SODIMMs), the old single Viper stick I put in it originally and worked fine worked in the first slot but just it in the second slot would not work. I tried multiple different ram sticks but same problem with all so im assuming its either the ram slots or a cpu issue? I loosened my cpu cooler which i read could help but nothing. Put it in slot 3 again and it doesn't boot. 35V) on one of the two slots. If I try to plug both Ram sticks in sequence (1-3, 2-4), failure. 6Mhz (only recently, After problem) HD7970 Graphics Nov 17, 2022 · After lots of boot issues and A/B testing I found that 2 RAM slots A1 and A2 (the first 2 from the left side) are not working and the PC will not boot if a RAM stick is plugged into any of these slots. Dec 18, 2013 · After reading many articles I strongly believe it is a motherboard problem. Here are a couple of examples: Jul 21, 2021 · Today I bought a MOBO of someone (Z390 aorus master) and I'm experiencing issues with the ram slots. May 22, 2022 · With 2 sticks, try to update the bios to this one while also update the chipset driver to the latest from amd web, it should be ver 4. Put ram into slot 3 (leaving in 1+2), boot, shutdown. Tried various things across google. Slot 1 & 2 do not seem to be working. C. Clean all slots with IPA Cleaner or some sort of air blower or if not available then using a Even though your ram size and speed are the same, you have different brands of ram. I replaced the whole motherboard, but that did not fix anything. Why does the “one RAM slot not working” issue happen? It is a quite complicated issue that can cause several issues on your system and undermine performance. Check for broken pins. Both stick work together in A1+A2 but run in single channel mode. I dont know who needs to hear this but if youve tried everything and the pc still wont boot. Sometimes when the CPU isn't seated properly it doesn't connect to the ram sockets. I feel like there is a higher chance of compatibility issues with mix-matched ram brands, but I am not sure about that. Went back to both slots and again only the A1 slot is recognised and not the B1. Same as Above. But as soon as I put it (even if only 1 stick) to either channel B I get the same problem. For some reason, the new pair will not boot when all 4 slots are in. It might just be the ram stick, and you want that to be the problem. After that I installed windows 10 pro with uefi bios and everything is working fine. The problem is not all 4 at the same time. Aug 21, 2021 · Thank you for the advice. The RAM stick is working absolutely fine. If i add the ram to slot 3 and 4, the display dosent show, pc beeps 5 times and the fans go crazy fast, any solution to why th Feb 26, 2021 · Tested 2 and 2 and both on xmp gave me no issues. Then I tried the new sticks in the first two slots and BAM I have 16 gigs (not 20). I've repaired hundreds of motherboards with similar issues, and 95% of the time the issue is fixable or at least identifiable with nonworking RAM slots. Jun 5, 2023 · Last week I have been building my own PC. Up until I had to de-assemble the tower components due to dust cleaning & adding of new Thermal paste. not sure what's going on, and not sure if dram freq actually solves my problem. No system post and DRAM QLED is lit. The sequence of LEDs is like so: shorter CPU, longer RAM, shorter CPU, longer RAM, after few cycles only RAM LED is on and nothing else happens. Skill Trident Z RGB Series 32GB (4 x 8GB) 288-Pin SDRAM (PC4 25600) DDR4 3200 CL16-18-18-38 1. Put one ram in 1 slot, then try, then other ram in same slot, try. Oct 20, 2015 · Hi and thank you. Clearing the CMOS Cleaning the MoBo, RAM slots with a toothbrush Jun 16, 2021 · Or maybe there's some crud on the contacts of either the ram sticks or the slot. Jan 30, 2021 · SO ram is working nicely I would suspect The Motherboard at this time as lanes 3 and 4 are not working ods are if it was the CPU then they would work with just one Memory stick. Adziboy 2 sticks of RAM do not work when in slots 2 and 4 Feb 18, 2017 · Hey guys, just finished the build, set the loop, and bam. hardware components don’t match), motherboard issues (often appear after motherboard replacement, RAM stick not fitted properly or CPU or BIOS upgrade bugs. Turn off your laptop, unplug it, and Jan 6, 2023 · both sticks work perfect on 1,2 but slots 3 and 4 don't work. I panicked at first, then noticed the DRAM and CPU debug leds switching on alternatively. However, as singles and as duos they don’t work in 1 and 2. Slots 2 and 4 work, both individually and with dual stick setups (at least they seem to. They've worked fine Dec 7, 2022 · And you can then insert more RAMs in the remaining slot in a similar fashion. Boots and runs at XMP anywhere from 5 minutes to 1 hour, however the computer will freeze and crash (restart) after a short while. The PC did not start, and the MOBO had the RAM and CPU lights on, signaling some errors there. (Note: The Ram has Now I'm using slots 2 and 3 (DIMMA2 and B1) and this works with XMP enabled. But the PC will boot if RAM slot ONE is used in isolation. Placed 3 in (slot 1 3 4) and booted but had random issues like discord not loading, Internet tabs crashing & 3d software not working, So removed slot 4 and now it's working fine touch wood, Soooooooo nothing has changed in 2 years with my system, I have not touched my ram in over 2 years or my cpu. Im using Trident Z RGB. Neither of them work in slot 3 and 4. I had an issue on MSI Z390 MPG gaming plus. This could potentially rule out if it's the slots or the RAM itself. After alot of googling, apparently XMP only works on slots 2 and 4 and not slots 1 and 3 for most motherboards. Whatever the capacity of the ram slot is shows as unallocated ram in windows 11. If I install the other 2 sticks, PC will not boot Slot 4 - worked fine at the time. Everything else is lit up, fans spinning etc. The PC detects both RAM modules (both in BIOS and windows 10 when is slots 1 & 2). Dell support sent me a second 8GB stick which we tried in slot 1 (with and without slot 2 populated) and it would not pass POST. I tried the software solutions which are on the internet, but none of them seems to work. I suggest you start with your retailer that sold you the equipment, that is your first port of call and ultimately they are the ones responsible for getting the gear back to the various suppliers for testing at the end of the day, they should also have spare equipment so it will be a lot easier for them to diagnose a problem and possibly provide a solution that does not require parts to be Oct 30, 2024 · If the slot is not intact, the system won’t use the RAM, only the functioning slot will work. I got a hold of a 3rd cpu, but that did not fix anything. Mar 29, 2024 · Open the System Information app, and select the System Summary from the left side. (Figured orange is Ram, Red is CPU). The BaseBoard Manufacturer name on the right side indicates your motherboard manufacturer. Apr 12, 2020 · So to be short, my 2 RAM slots closest to the CPU do not work after installing a new CPU. I tried playing around with the slots and the old ram and came to the realisation the dimm 3 and 4 just aren't working. Dec 11, 2023 · @FrancoDelamor If you are running in the first and second slot, you are running in single channel and so performance will be lowered. Unless you have 4 sticks then you can put them in whichever slots because all 4 will be used. Feb 12, 2021 · Hello hp community I have an issue with my pc its 2 ram slots not working 3 & 4 everything was fine the pc was working fine but suddenly my pc displayed a black screen and didn't boot so I removed ram from 3&4 slots my pc displayed and now that's the issue even if I try to put in only slot 3 or onl Aug 12, 2021 · And it boots for slot 2 and 4 but not 1 and 3. It came with 16 gigs, I bought 32 gb ribjaws Z, 4× 8 to double it. Went through troubleshooting with ASUS and discovered I had bent pins in the socket so now on my 2nd board. No post. No matter what ram sticks I put into DIMM slots 3 and 4 my computer is NOT recognizing them. Now only 2 of my RAM slots work, when I insert to the other two that's not working, I hear a beep loop sound that plays two times, then the sound and spinning of the fans Got new RAM and was getting a BSOD loop when enabling the XMP profile for 3200MHz (when I know for a fact my mobo, cpu support this RAMs XMP profile). I have 4 sticks of ram and whenever I put ram in the 3rd and 4th slot thecomputer will turn on but it won’t post. 2 things you can try - Put old CPU in, and revert to the older BIOS and see if memory works (actually first just check with old CPU in and then if not work revert BIOS). I have already tried putting the ram in a different slot and the ram works perfectly fine in every other slot. Put it in 2nd slot, doesn't work. Aug 16, 2019 · The RAM is Ballistix Sport DDR4-2666 Slots 1 and 2 on my M/B work fine but if I try 1 and 3 or 2 and 4 then all I get is a blank screen. I read the memory controller is in the CPU, not motherboard. Till now I have it in second slot. But the machine doesn't seem to recognise dimm 3 and 4. It's a lot more stressful on the ram controller to run 4 sticks at very high speeds compared to 2. Then I borrowed another 2 & 16 GB DDR5 RAM, also 6000MHZ from my brother, plugged them in the 2 & 4 slots, not booting again. Dust causes far more issues than we imagine. And again, it's not an exact same RAM stick, it's exact same branding. My motherboard (2 ram slots only) revs all fans to max and beeps in sets of 3 in ram configurations slot 1 and 2 filled and also slot 1 empty and slot 2 filled. 2-4? A1 (slot 1) and B1 (slot 3) are typically reserved for a single channel of the same type, and A2 (slot 2) and B2 (slot 4) are considered to be dual-channel RAM slots. Ram in 2 and 4 it will not boot up to the bios or anything. The B1 memory slot does not work. Today we inserted i5, and the second slot recognized the RAM. Putting ram into 3 and 4 will give a message saying to put a stick into slot 2. I had been running the ram in slots 2 and 4 like you are supposed to but when I finished her build the 4th ram slot stopped working. Apr 15, 2024 · Causes of One RAM Slot Not Working; Methods of One RAM Slot Not Working; Bottom Line: Causes of One RAM Slot Not Working. It worked so I put a 3rd ram stick in the 2nd slot. Jun 9, 2017 · This might be as few as two or as many as eight, but most full-sized (ATX) motherboards include four. Using a single 16gb RAM currently, I tried to boot the pc but the motherboard only had a yellow light on with no display whatsoever. Only memories in slots B can be actually used. 0GB(7. Sep 13, 2023 · Swap the RAM Modules: If you have two RAM modules installed, try swapping them between the working and non-working slots. When I install my RAM in slots 1 and 4, it starts, and complains that I don't have the RAM in the right slots to use both channels. With the specific CPU, does not work both RAM slots, works only one slot. Dec 20, 2021 · RAM Slot Not Working? Here’s How to Resolve the IssueRandom Access Memory is a type of temporary storage that a computer system uses to store data instead of Apr 11, 2017 · The first module goes in slot 1, the 2nd module goes in slot 8, 3rd in slot 3, 4th in slot 6 and so on. Then the same with ram in slot 4. Bad ram stick- Did you try testing both sticks separately in slot B?? Bad memory socket slot A- try removing and reinstalling your processor. Tested ram sticks one by one. Corsair vengeance 3600 16gb. Upvote 0 Downvote Jul 7, 2010 · Matched pair of old RAM in first two slots = Fine Matched pair of new RAM in first two slots = Fine One of each type RAM in first two slots = Fine Any time ANY RAM stick is in the 3rd or 4th slot (even if I'm NOT using the first 2 slots) = Can't boot Let me know if I'm just being stubborn, but I figure if the two different types of RAM can Jun 17, 2015 · However, in this configuration the computer did not start (no display output at all). Not only this, the dust can cause the slots and The RAM sticks only work in slot 1 and/or 2. The 1st and 2nd Slot works but if I put a Ram stick in the 3rd or 4th It wont boot. If I plug one Ram stick in A2 or B2, the computer boots and works normally. Looks like one memory channel died but not totally sure. Rgb on ram stick will turn on but will not boot. Aug 30, 2020 · Next up was the ram. Personally I found that my gaming performance is fine, I OC'd my RAM after learning that RAM speed affects Ryzen CPU's a lot, and my gaming performance went up loads in CPU/RAM intensive games after that, so if I am loosing any performance because of it, I'm not noticing it at all. So I was reading an article somewhere in which it said that some of your CPU pins must have bent due to which the ram slots might not be working I checked that - The pins were fine But then I got the idea what if i did not tighten the screws on the AIO pump "TIGHT" enough So, i did that, and now every ram slot works, even with D. I am having issues installing my 32 gb of ram as only the A1 and B1 slots work and recognise my RAM. Clean the RAM Slot: Sometimes, dust or debris can accumulate in the RAM slot, causing connection issues. The other thing i have tried thus far besides different ram configurations is to remove the CMOS battery for 5 minutes. I builded 1 year my own PC, Specs: CPU: Intel® Core™ i7-4790K ~4. Other factors are incompatible RAM (i. They work in 3 and 4 as singles and as a duo. Everything just froze up. No, the CPU doesn't not have bent pins! May 18, 2021 · Why is the ram not in slots 1 and 3 or 2 and 4 (Your MOBO should have a diagram on where ram should be) 3rd Its possible your cpu isn't seated fully or correctly as if some pins are not making contact this could cause this issue. I bought 4 sticks Ram 4gb, and only 1 and 3 slots work. I now tried again to put the 2 ram sticks in slots 2 and 4. have not updated BIOS as its Dec 1, 2017 · I can't get all 4 memory slots working - if all 4 slots are filled and enabled on bios I don't get video on monitor. 60GHz GPU:RTX 3070 VENTUS 2X, 8192 MB RAM: 2 x 8Gb Corsair DDR4 3600Mhz C18-22-22-42 1. Problem still persists. So I have an MSI x470 Gaming Plus mobo, and had 2x8gb RAM into slots 2 and 4 (DIMMA_2 and B_2) as indicated in manual and on the board itself. I'm not sure why, but nothing works in it. Dec 28, 2020 · My mother board (H410M -A PRO) does accept only one RAM (XLR8 PNY DDR4 3200MHz CL16 1. (8gb each) All 4 slots work, tried with both rams The 2 sticks work perfectly, but only when alone Noticed that when I put the 2 and try turning on the PC turns on but no display or perifericals turn on. Where as if I move the ram currently in the B1 to the A2 slot the computer doesn’t POST and has the DRAM led in the mobo go orange for 5 seconds then the CPU LES flashes red and continues. (sorry if this is mentioned later) Relevant Specs: i7 4770K - OCed to 4. Hence, check if you have inserted the memory sticks in the proper slots. Testing 4 With 4 RAM DIMM BIOS Setting : - Bios Version 1303 Stable - Memory Profile EXPO II (Working only in EXPO II) - Slot #1 32G Ram Stick - Slot #2 32G Ram Stick - Slot #3 32G Ram Stick - Slot #4 32G Ram Stick. I had a ADATA 8GB 2400MHz DDR 4 ram in one of the ram slots (there are only two ram… May 25, 2020 · however when any ram is put into the two slots on the right i get a black screen when turning the computer on. 2 works fine, but 4 causes problems. Because of this, I concluded that the RAM sticks are not faulty. Nov 27, 2011 · After buying and trying to install two 8 gig sticks in DIMM slots 3 and 4 my computer only recognized FOUR gigs of ram. It's usually thermal paste drips in the CPU socket or RAM slots. If all else fails you have a bad board, return it for a replacement. The motherboard is an Asus Maximus iv gene-z. It will not work in 1 and 3 or any other config other than 2 and 4. First of all, you need to figure out the possible culprits Nov 26, 2019 · Slot 1&3(dual channel, not recommended in mobo manual): Only 8gb of RAM detected in BIOS and windows. If the issue persists, try testing the RAM stick in a different slot to identify if the problem lies with the slot or the RAM stick itself. It's interesting that BIOS see these memories (size, brand, specs) in slots A, but can't use them. Dec 14, 2023 · Just got a Dell XPS 8940. Both Ram sticks work like this so it isn't one failing stick as far as I can tell. 35V Sep 1, 2020 · I built a new PC last week and while everything runs smoothly, I can only use one stick of RAM because the B1 and B2 slots don't read the second stick. I used to run on 4x4GB RAM, i had a i5-3470. Going to try the BIOS thing you said at the end, but I already tried setting the BIOS to 2133 and then adding the faster ram. 95GB usable). I'm looking to upgrade my RAM. i'm going to swap around to different ram slots to see if that causes an issue. I've already updated Intel ME from ASUS and have the latest BIOS. Dec 8, 2023 · The plan was to use my 8gb ram from my old setup into the new setup which has 8 installed, but when i tried to put my 8 gb ram into the Slot 1 and Slot 2 of the motherboard my pc would not recognize the ram installed into my first two slots. (2 and 4) I have tried a single stick of ram in each 2 & 4, only black screen. I can't access slot 1 because the CPU fan blocks it. If only a single working RAM slot (till it stops working), try a single 16GB RAM, but since they are expensive, it is better to invest in a new CPU and check warranty status on the old one. Not Working Propperly 128GB @ 3600Mhz Speed The convention I'm using here is 1 is the closest to CPU. I Only slot that has been working for me is the B2 slot. Anyone any idea as to why changing a GPU and a PSU would cause Slot 3 and 4 on my motherboard to no longer work ??? my setup Motherboard: Z390-A PRO CPU: Intel(R) Core(TM) i7-9700K CPU @ 3. I tried it with different sets of ram, and problem still persisted. The first two ram slots number 3 and 1 do not work. Everything been going fine until I wanted to boot the machine up. It is important to recognize the signs of a faulty RAM slot so that you can take appropriate actions to resolve the problem. While the same brand with the same config will probably work, it's not definite. Then I bought 1 stick of 16 ram and I thought maybe the ram was broken and I put the new ram in the first slot and pc wasn't booting up as well. The ram slot that does not work is the 4th farthest from the CPU. For the ram, any dark spots or marks on the surface should be removed with a SOFT eraser. One of my RAM slots does not work. Build Help Hi - first build with my 10 year old son - we've mostly gotten on well - we have an MSI motherboard proB760 wifi ddr4 - i5 chip - geoforceRTX3060ti - but the Ram (vengeance DDR4 2 x8 gb (3600mhz) only works in slots 1&2. Update bios. If 2 of 4 slots (alternating ones) work to support dual channel memory, keep using them, but random PC crashes still occur. They only work on slots 1 & 2. . Sadly for me it was the ram slot, there was strange residue on the slot and I cleaned it off and found the pin under was broken. This motherboard provides four memory sockets and supports Dual Channel Technology. SKILL TridentZ RGB Series 32GB (4x8GB) DDR4 2400MHz instead of G. When i try to boot with 1 stick in the 3rd or 4th slot, it boots. Ive tried reseating them and swapping their positions with one another because the RGB wasnt working for one of them but it seems to be an issue with the slot itself. Mar 9, 2020 · So then I removed one ram from the first slot and it worked but then I only had 8 ram not 16. So I go back to the RAM sticks, and tried the following combinations: Stick A in Slot A, empty Slot B = boot loop Stick B in Slot A, empty Slot B = boot loop Both sticks at the same time = boot loop Stick A in Slot B, empty Slot A = working Stick B in Slot B, empty Slot A = working So the issue apparently is with Slot A. Yesterday I noticed Windows reports having 12GB RAM installed, while my PC is supposed to have 4x4 GB DDR4 sticks. Then we inserted i7 back, and the second RAM slot stopped to work again. First use 2 sticks of ram (order doesnt matter), boot pc, once youre on the home screen, shut doen your pc and add the third stick in any order, then boot up your pc and when u arrive at the homescreen, shut down and finally add the 4th stick and boot. It took me a long while to figure out because it seems like I also got a faulty Jan 31, 2022 · Then, I put in one RAM stick (in the second position) and now it boots fine - but it will not work if I add the second ram stick to the fourth position RAM slot. My 9900K does run 4 x DDR4-4000, but I had to tweak the VCCIO & VCCSA voltages manually to not run into issues posting or stability issues. Basically when I have RAM installed in 2 of the slots it just enters a reboot loop before BIOS. I replaced the CPU with a known working CPU. Only the 2 slots closest to the CPU work. Then, the other day I purchased two more sticks of the exact same model and tried to insert them in slots 1 and 3. Only when expanding memory do u add to 1 and 3. Then put ram in slot 2 (leaving 1 in), boot, shutdown. Ram works in all slots but slot 4. They're also both identical. Long yellow light for dram. Aug 11, 2020 · Hey guys, my second ram slot in my motherboard isn't working ( I think) because recently I bought an 8gb x2 AVEXIR 3200mhz DDR4 Ram kit and both rams are working fine when used in the first ram slot alone (one closest to the CPU). my tests were as follows: - 1 RAM brick in slot 1 or 2 worked - 1 RAM brick in slots 3 or 4 did not work - 2 RAM bricks in slots 1 & 2 worked From this I concluded that the RAM bricks itself are OK, but the slots 3 & 4 are not. The video is of #3. , dont connect to internet until reboot finished after installing chipset driver (try to look up to control panel and see if amd chipset software is installed, if its installed then disconnect from internet, uninstall them, reboot and update the bios to May 7, 2024 · HP's system does not recognize my Pc's Model and serial, which IS on the label on the PC My Issue is: Slots 2 and 4 do not work. So a motherboard with a maximum RAM capacity of 16GB and four RAM slots can only accept a maximum of 4GB in each slot---trying to put an 8GB DIMM into the slot might cause it to not be detected. But when I put the 4th stick in the last slot the motherboard reads a code 55. Here's a list of things I tried. I had a pair of faulty RAM sticks that I had RMA-ed and replaced. The fans etc are running but nothing is on the screen RAM Slots 3 and 4 Problems Solved - Windows 10 Forums Dec 4, 2023 · To fix a non-working RAM slot, first, ensure that the RAM stick is properly seated and the contacts are clean. Got a problem with Prime H610M-A D4. Both memory slots 1/2 are working unless I disable them in bios. Ram slots 3&4 not working . I tested each pair in different slots and they work perfectly. XMP works with single stick in 4th slot though. I have had these for at least half a year, and no issues were presenting themselves. 2 of the slots work perfectly but the other 2 don't boot at all. i can run ram slots 2 and 4 but not 1 and 2, thats suppose to be right? i got 2 3 4 on now and gonna test. May 5, 2021 · Does inserting one RAM card, Restart (not Shut Down), insert other RAM card, get both RAM cards to work. I have tried all 4 sticks in all… May 16, 2023 · Not Working Propperly 128GB @ 3600Mhz Speed. Set xmp enabled. Sep 28, 2021 · Funny, I legit had this problem 2 weeks ago. Jan 14, 2022 · I originally have 2 memory sticks and it worked in my previous build. Now i can only get 2 out of 4 sticks to work and only in 4th slot (B2), others would stop PC from booting or would show up in bios but will not increase the RAM number. I have cleaned the RAM slot and stick and there are no visible damage or bent/broken slot pins. I did a bios update on a B450 Prime Plus and it would not display a signal if dimm slots 3 or 4 were taken up. Does F12, Diagnostics, ePSA test result say either RAM pass or fail? Please provide a clue why one RAM socket does not One of my ram slots doesnt seem to be working. I tested with only 1 RAM stick at each slot at a time. I could only make it work with slot A2 solved: my RAM was not in the supported. I have all four ram chips plugged in, but still only have 16 gigs of ram. Not through BIOs or CPU-Z. I have updated the bios to the latest version (F62d) and I haven't changed any settings, everything is default. says 1866 for dr 4 ram slots so i will try that too. I get memory failure warning on the on/off button. Whenever I place a memory module in slots 3 or 4 the PC does not boot. e. I tried both sticks one at a time in the A1 slot and it booted fine with 16gb memory. I checked bios and it recognises the A1 memory slot, but the B1 slot has a N/A next to it. P Hi all, yesterday i builded my first pc ever with everything new (expept the gpu) bought from amazon, i assembled everything and the pc turned on and everything looked fine, then i find out that windows sees only 8GB of ram when i installed 2x8 ram modules so i turned off the pc and checked every slot turning off and on the pc for every slot and 1 ram at a time and i find out that the 4th slot Feb 26, 2020 · When I install my RAM in slots 1 and 3, the computer won't POST. Try this one final thing. I spent hours not being able to use slot 3 and 4, but I was putting both in at the same time. UPDATE: I FIXED IT. Memory slot B2 not working. When I install my RAM in slots 2 and 4, it starts, and works fine. First take the ram out and try each ram in a slot you know is working. Thanks Jun 6, 2017 · UPDATE: I tested the PC boot with different RAM (G. The PC was able to boot up when there was only one stick in one of these slots (haven't tried putting both in A1 and A2 at the same time) but any time I tried to get the dual channel to work by adding a stick to the corresponding B slots, once again, the PC fans would run at max, the CPU debug light was on, and display wouldn't receive any signal. However, seems like the first and third ram slot (DDR5_A1 and DDR5_A1) are not working, the boot get stuck on C5 error; if I'm using slot 2 and 4 the system boots fine. 35V Quad Channel Desktop Memory Model F4-3200C16Q-32GTZR) I tested all 4 ram sticks as well as each ram slots, none are faulty. Again - the computer did not start. The instruction manual, in a 2 ram module configuration, suggest to use slots DDR5_A2 and DDR5_B2, but doesn't mean that it shouldn't working in A1/B1 configuration, right? Jul 8, 2021 · After experimenting with this and reading forum solutions i must notice one weird thing: One of RAM sticks works in every DIMM slot and PC boots without any issues, while with other stick in certain slot ( i used slot 2 and 4, and in slot 2 it boots fine, while it won't boot while stick is in slot 4) PC won't boot at all. 0Ghz RAM: Crucial Ballistix Sport 8GB (2 x 4GB) 1600Mhz PSU: Thermaltake SMART M Series SP-850M 850W MOBO: MSI Z97 PC MATE WC: CORSAIR H80i Since 6 months ago i was having a trouble: Sometimes when i was turning Aug 4, 2021 · Ram slots A1 and B1 (the first two) cause the failure. May 3, 2022 · Slot 2 and 4 do not work together Slot 1, 3 and 4 work together PC complained about RAM not installed in the most optimal slot, just skip it and boot to Windows Jan 6, 2020 · you must put your main 1st 2 stick ram kit in slots 2 and 4. Then move onto the next slot. I continues to switch stuff around, trying to put the 2 RAM sticks in slots 1 and 3. Apr 14, 2020 · To run in dual channel mode, the 2 sticks of RAM need to be either in B2 (slot 2) and A2 (slot 4), or B1 (slot 1) and A1 (slot 3), slot 1 being the slot closest to your CPU. Instead, you should fill all 4 RAM slots with 4GB RAM sticks. I am using the Trident Z 3200 Mhz, 32 Gb, 4 set. I never touched anything in BIOs even before the RMA. From the manual, pages 9–10: Dual Channel Memory Configuration. May 26, 2020 · The motherboard's EZ Debug LED reaches the RAM light, waits a second and goes back to CPU and then loops back to RAM. I have 16gb (2x8) 2400mh RAM. If I put 2 DRAMs, same behaviour (no start, EZ debug leds CPU/DRAM blinking). If your PC/laptop’s motherboard has a maximum RAM capacity of 16GB, and you have only 4 RAM slots, those RAM slots will probably accept only 4GB RAM sticks. Despite this, once I plug all 4 ram sticks in my computer boots, but my Oct 4, 2021 · Mixing memory kits may or may not work. If you check your motherboard manual slots 2&4 are to be used when running 2 sticks of ram. After which, I couldn't boot with my 4 sticks of Gskill Ram. I tested it with the new pair of 3600mhz RAM sticks so I'm kind of losing hope now. Eventually I was able to narrow it down to one of my ram Yeah, One of the ram slots were not working, and I had absolutely no idea what was wrong, but then I tried reseating the cpu and boom it worked, Turned out it wasn't making contact with the pins properly, I didn't even think about that with this motherboard that that could be the issue, probably when I changed the cpu I didn't seat it in properly in the socket will have to check and see if Nov 20, 2023 · If a RAM slot is not working properly, it can lead to various performance issues and system errors. The same thing happens when RAM slots ONE and THREE are used (no boot). Feb 20, 2024 · Then I tried to boot again with RAM in slots 2 & 4, not working, tried again slots 1 & 3, working. The internet told me that it might be the fact that the processor is not seated in properly, or that there might be bent pins I have upgraded my System (Ryzen 2700X, RAM 2x16GB, Biostar A320MD Pro). Only could boot with 1 stick in slot 1. I thought shit maybe I killed the CPU at first, however after playing around a bit I came to the conclusion that it only happens when I have either RAM slot 3/4 inserted (the RGB works fine on all slots though). Dont worry yet though. Troubleshooting Steps Taken So Far: - Unbent a few bent CPU pins - Replaced RAM sticks and confirmed both boot up the PC in slots A1/A2 - Tried RAM sticks in B1/B2 slots -- No bootup Build: Yeah they're in 1/2 atm. O. A2 is the recommended default slot for one RAM stick, A2 and B2 for 2 RAM sticks, so I originally went with that. After much trial and error, both of the sticks work standalone in either slot A1 or A2. both of the new 32GB sticks have the same case as the old single Patriot stick I'm investigating why slots A (A1 and A2) don't work, but slots B (B1 and B2) work normally. If I put Ram in Slots 1 and 3: Only runs at 2133, does not run or boot at XMP If I put Ram in Slots 2 and 4: Runs at XMP If I put Ram in ALL 4 Slots: Boots and runs at 2133. So nothing wrong with your motherboard. 2133 because that is what the manual says for SR 4 ram slots. Usually they can be straightened out with not much trouble. This is symmetrical about the center, working from "outside" to "inside" in alternate slots. Nov 3, 2017 · Intel System not working in DUAL channel suggest BAD ram, but they work one at a time so should be OK. Hi I am using Gigabyte B250M-HD3 (rev. I have not fooled around with any XMP settings other than turning it on. Then I put 2x16GB in slots A1 and A2 and that worked fine. I tried switching the working first stage feeders with the non working ones but it made no difference and slots 3&4 still did not work. Manual says to start at A2 slot. If there's any foreign material there, CAREFULLY lift it out. I bought a new i7 3770k and installed it, now only 2 RAM slots work, i tried all 4 RAM sticks individually and they do all work, but none work in one of my now "faulty" RAM slots. Mar 20, 2020 · I recently bought a 4x4 Corsair Vengeance ram DDR3 1600mhz for my i7-2600k build. Moving the ram into slot 2 or 4 works fine, it just has a single 8GB stick. Now, I tried to investigate the problem, I realized that slots 3 & 4 do not work at all. If a cpu pin is bent it could cause 1 chanel of ram to not work. Sep 22, 2020 · The motherboard has 4 RAM slots, I was using 16 GBs of Ram (4GB x4) . After a lot of testing I realised that both RAM sticks are functional and fully overclock to their max speed. Slot number 2 doesnt seem to work and my computer only sees 8gb available when I have 2 of them. You should take a good close look at the ram slots and the ram contacts. This will help determine if the issue is with the RAM module itself or the slot. Trying to have all 4 sticks at once. Jan 13, 2015 · Do you have spare RAM to test out? It's possible it's the RAM itself that's defective. aja daken edl unyh okelka nniasam cfyo lkvstez ezwjpbsi siohlxk