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x299 dark not recognizing all 4 dimm slots

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gobstoppable
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2017/12/27 15:36:00 (permalink)
So i stuck a 7900x into my dark, put in 4 dimm's of g.skill that i had been using in another pc. Booted up the first time just fine, but I noticed in the bios that it was only showing 3 channels of ram as active. Its trident z ram, and the rgb lighting is working fine on all sticks, but for some reason, the motherboard is not recognizing anything from dimm slot 2. Its odd, i have a 7900x, the book says that if you are running a single stick with skylake-x to populate dimm slot 2 first. If I do that, I get a post error 55 for memory. If I take the same stick from dimm slot 2, and place it in dimm slot 4 (far right) boots up just fine. Ive tried all 4 sticks by themselves in dimm slot 4, to ensure they all work with the board, and every stick will boot by itself in dimm slot 4. I can have dimm 3 and 4 filled, boots and shows 16gb, and 2 channels. If I add 1,3,4 it shows 3 channels and 24gb, if i move them to 2,3,4, it shows up as 2 channels and 16gb. if i install dimms 1,2,3,4, it only shows up as using channel 1,2,3, and channel 0 is empty, and it shows I only have 28gb of ram running @ 2133. I can load xmp profile 1, and the ram boots with correct timing @ 3200 mhz
 
I haven't installed a os or anything yet. Once I noticed the memory issue I stopped there and tried to fix it. Anyone have any advice? Am I going to have to RMA this board? Ive tried every arangement of memory sticks. No stick works in slot 2, but every stick that wont work in slot 2, works perfectly fine in every other slot, so i know its not my ram.
 


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    geninfo
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/27 18:00:10 (permalink)
    BIOS version 1.04?
    #2
    gobstoppable
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/27 18:08:20 (permalink)
    have not updated bios yet
    #3
    gobstoppable
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/27 18:26:31 (permalink)
    running v1.04 now, still only showing 3 memory devices. 
    #4
    arestavo
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/27 19:41:06 (permalink)
    Power off and unplug the computer. Pull out the RAM and use a can of air to remove any debris in the RAM slots. Reinstall the RAM and test again.
     
    Also, simply re-seating the RAM or even moving the sticks from one slot to another might show that a stick of RAM is bad.

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    #5
    GGTV-Jon
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/27 19:45:05 (permalink)
    arestavo
    Power off and unplug the computer. Pull out the RAM and use a can of air to remove any debris in the RAM slots. Reinstall the RAM and test again.
     
    Also, simply re-seating the RAM or even moving the sticks from one slot to another might show that a stick of RAM is bad.




    Making sure the ram slot is clear of any foreign material is a good suggestion - as to the rest go back and read the rest of the OP, as he has already confirmed which slot is acting up and no issues with the sticks themselves..
    #6
    gobstoppable
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/27 19:57:17 (permalink)
    GGTV-Jon
    arestavo
    Power off and unplug the computer. Pull out the RAM and use a can of air to remove any debris in the RAM slots. Reinstall the RAM and test again.
     
    Also, simply re-seating the RAM or even moving the sticks from one slot to another might show that a stick of RAM is bad.




    Making sure the ram slot is clear of any foreign material is a good suggestion - as to the rest go back and read the rest of the OP, as he has already confirmed which slot is acting up and no issues with the sticks themselves..




     
    this.
     
    every ram stick works fine, by themselves, with only 1 stick at a time, in dimm slot 4, each stick works and boots up, so each stick works individually. Each stick works in every dimm slot except dimm 2, and no memory stick works in dimm slot 2. ive also very closely inspected the dimm slot, blown it out, no debris or any apparent damage to connecting points.
    #7
    geninfo
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/27 20:23:36 (permalink)
    LED_DIMM2_SKX lit white with no memory installed?  LED_DIMM2_FAIL light?
     
    Sounds like dead port. :(
     
    Does it matter short term?  Build/test system on included bench stand with 1/2/3 DIMM.  Use memtest86 to check other DIMM ports OK.  Record settings or save BIOS profile; swap in new board when received.
     
    post edited by geninfo - 2017/12/27 22:02:10
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    gobstoppable
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/27 22:17:27 (permalink)
    lol i have no idea whats going on.
     

    cpuz and windows/bios saying two different things?

    all 4 lights are on


    even if i remove a memory stick

    I even removed memory sticks from slot 3 and 4, and the led lights stayed on, so im not sure they have anything to do with a memory being in the slot, and have more to do with the cpu and memory availability. i have a skylake-x processor, so all 4 dimm's should be available, if i had a kabylake-x processor, then only the two led's on the dimm's 3 and 4 would light up.
     
    this light is red though, not sure what it means though

     
    if its messed up, and i need to rma, no big deal, its just going to be a hassle since i fully installed my water loop before testing it.
    #9
    geninfo
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/27 22:27:54 (permalink)
    gobstoppable
    this light is red though, not sure what it means though

     
    if its messed up, and i need to rma, no big deal, its just going to be a hassle since i fully installed my water loop before testing it.



    That VCC light also always red for me.
    #10
    AngelGraves13
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/28 13:27:33 (permalink)
    Give it steady voltage, like 1.2v, unless it needs 1.35v or 1.4v as stated on the memory for the speed.
     
    My X99 will show 60GB instead of 64 if I don't give it manual voltage for 2133 memory. Automatic probably doesn't give it enough at POST so it skips a DIMM. I set mine to 1.2v manual and it shows up as 64GB every single time.
     
    What g.skill memory are you running? You need to set your bios to XMP and manually input the voltage at either 1.35 or 1.4, depending on the model and specs listed on the RAM.
    post edited by AngelGraves13 - 2017/12/28 13:31:46
    #11
    gobstoppable
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/28 14:35:41 (permalink)
    the kit im using is gskill f4-3200c14q-32gtzr, ill go try what you suggested right now
    #12
    gobstoppable
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/28 15:19:30 (permalink)
    1.35 is what the xmp profile sets voltage too. dimm 2 is lighting up red now. I reset cmos, booted to bios with default settings, dimm 2 was still lit red. reloaded xmp, booted into windows, dimm 2 was still red. After running for a few minutes the dimm switched to white. 
     
    Did a full shut down. With power off dimm 2 shows up as white, hit the power button dimm 2 lights up red, windows will boot, with dimm 2 still red, and after a few minutes it switches white again.
     
    After dinner ill switch around the memory sticks and see if they all boot with a red led on dimm 2
    post edited by gobstoppable - 2017/12/28 15:55:26
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    gobstoppable
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/28 16:08:31 (permalink)
    I took the memory module from dimm 1, swapped it with dimm 2. So now the working error free module from dimm 1 is in dimm 2, dimm 2 lights up red while dimm 1 is white. Swap the module back, same result. Swap the module from dimm 4 with dimm 2, dimm 2 boots with a red led while dimm 4 is white, same thing with the module from dimm 3. Every memory module works in every dimm except dimm 2, and none of them work in dimm 2. it has to be the motherboard. 
    #14
    arestavo
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/28 18:00:57 (permalink)
    If you've already updated to the latest BIOS then it's probably time to start the RMA process.

    EVGA affiliate code: 9ZWDWFNW6A
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    #15
    geninfo
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/28 18:04:07 (permalink)
    gobstoppable
    it has to be the motherboard. 



    Agreed.  Nice debugging effort.
    #16
    TiN_EE
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/30 11:24:35 (permalink)
    Looks like the specific board problem to me.
     
    Check carefully if there is anything bad on the affected slot (maybe some dirt/debri in the connector). 
    Make sure your CPU waterblock nuts are not overtightened at any corner. Worth to remove waterblock and CPU, to make sure no bent pins in the socket.
    Based on your debug steps, it's clear that board have good power to memory slot, it detects memory presence (hence 55 error and CPU-Z shows 4 DIMMs as it has no way of knowing if actual memory chips working or not other than reading SPD data), and DIMM LED are in "active mode". But because actual DDR4 interface to that channel failed to operate, CPU disabled affected memory channel, leaving you with only 3 DIMMs operating. You can try to rub CPU pads lightly with pencil eraser to make sure gold pads are clean and shiny. 
     
     
    If DIMM slot, CPU socket pins are not bend/dirty and there was no water spills anywhere, then your option is to RMA the board for replacement. 

    If you have question, please post in public forum. I do not reply PMs, so all in community can benefit the answer. 
    #17
    gobstoppable
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/30 14:35:22 (permalink)
    I have more thermal paste in the mail, and arriving tomorrow. Ill check the cpu socket pins before submitting a RMA request. Thank you very much for your post TiN, have a happy new years.
    #18
    gobstoppable
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/30 19:11:21 (permalink)
    Well TiN hit the nail on the head. It was indeed worth removing the cpu, because underneath I found a bent cpu pin. The only thing I can think that happened it when I was first installing the cpu, in an attempt to be careful I was delicatly holding the cpu and dropped it onto the socket from maybe 1/2" away. I never imagined it would damage the pins, and I completely forgot about it. I had 1 bent pin, and I bent it back into position. Im not sure it worked, is it even worth putting my cpu back in and testing it? I really dont want to risk my 7900x.
     
    What are my options now? Can I send the board in for repair? Would I need to purchase a new board, or is it possible to fix the pin's? I purchased the extended warranty when I got the board, but I'm sure it doesn't covers "stupid user" errors. 
     
     
    post edited by gobstoppable - 2017/12/31 16:51:27
    #19
    arestavo
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/30 19:34:46 (permalink)
    Try it out and if it doesn't work call EVGA's Tech Support and ask how much it costs to repair the CPU socket.
     
    I had an EVGA X79 FTW that I Stepped-Up to the X79 Dark and EVGA said that it had bent pins. Not when I sent it out! But it ended up costing me 80 bucks, and that was several years ago.

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    #20
    ty_ger07
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/30 19:48:43 (permalink)
    Give it a try. If it doesn't work, send it to EVGA and have it repaired or replaced for a fee. There's not much else that you can do.

    Checking the CPU and memory socket was good advice. You narrowed it down to that point and there is pretty much nothing else that could have been wrong except for the motherboard PCB traces (unlikely) or CPU memory controller (unlikely). Usually the issue is caused by bent CPU pins or extremely uneven or excessive CPU heatsink attachment pressure.
    #21
    gobstoppable
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/31 15:22:49 (permalink)
    Attempt to fix the pins did not yield a successful results. I called tech support to ask them what can be done, the guy asked me to take a picture so they could look at it. He also informed me that evga does not do repairs and bent pin's effectively void my warrenty. He said he would have to refer to a manager as to what to do if the pin's were actually bent. I know not to expect the best customer service at 6pm on new years eve, but I'm kinda concerned. Ive read multiple threads where people were able to have pin's repaired for $70-$80, I really hope they don't tell me I need to purchase a new board. 
    #22
    GGTV-Jon
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/31 16:21:42 (permalink)
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    gobstoppable
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/31 17:05:35 (permalink)
    Man, some of these board i've seen being repaired are crazy. People have had lots of bents pins, they bend them back and their motherboard works. Maybe my bent pin wasnt the only issue, I bent it back and it looks like it should work, but dimm slot 2 is still booting with a red led, and its not showing up in the bios.
     
    https://imgur.com/a/MGlZH
     
    I posted a bunch of pictured from different angles with different lighting. I submitted photos to evga, ill just have to wait to see what they say.
    #24
    geninfo
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/31 20:11:49 (permalink)
    gobstoppable
    Maybe my bent pin wasnt the only issue



    This.  Pins don't look bad.  Jumped conclusion:  pins possibly problem -> pin looks bent -> pin is DIMM2 problem.
    If pin problem, either CPU or motherboard could cause.  Need another CPU or board to determine which.
    #25
    naokiura
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    Re: x299 dark not recognizing all 4 dimm slots 2017/12/31 20:15:57 (permalink)
    The bent pin(s) has to have the x, y, and z axis, it doesn't have to be perfect, as closely squared as possible to the rest of the pins.  When looking at your photo's it's hard to tell if the height of the pin in question is very close to the height of the other pins. Remember it has to fit on that tiny square under the CPU, if it's to high it might just slide off the square when seated with a CPU cooler.
     

    x299 Dark, i9-7920x, Corsair 3600 C18, Corsair 1200AX, RTX 2080Ti FTW3 Ultra Hydro Copper, 2 - Samsung Evo Plus 1TB m.2
    #26
    gobstoppable
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    Re: x299 dark not recognizing all 4 dimm slots 2018/01/02 10:39:34 (permalink)
    Well i've done it now... I went out and bought a magnifying visor, and some tiny tweezers. I have now completely broken the pin off. sigh... Just sent evga customer service an email, I'm hoping they can repair my socket, but I've read mixed things on different threads. Some people get told by evga that they don't do repairs, and wont provide any assistance. Other people have had their sockets repaired by evga for a fee. I will gladly pay the fee, I just hope this motherboard isn't trash now. 
    #27
    geninfo
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    Re: x299 dark not recognizing all 4 dimm slots 2018/01/02 17:50:56 (permalink)
    gobstoppable
    Well i've done it now... I went out and bought a magnifying visor, and some tiny tweezers. I have now completely broken the pin off.



    Gobstoppable's Rule:  Take high resolution photograph of CPU socket when motherboard arrives to properly blame manufacturer for bad pins... or yourself when you tear off pins with tiny tweezer. 
     
    Please follow up.  Can manufacturer change sockets on motherboard?  Would require another set of pads to pins/traces somewhere?
    #28
    GGTV-Jon
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    Re: x299 dark not recognizing all 4 dimm slots 2018/01/02 23:55:35 (permalink)
    Socket replacement
    https://youtu.be/ZVt6pjnUd2s
     
    Looks like they are in Aurora, Colorado http://qubexdatarecovery.info/
    post edited by GGTV-Jon - 2018/01/02 23:58:50
    #29
    gobstoppable
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    Re: x299 dark not recognizing all 4 dimm slots 2018/01/03 14:56:00 (permalink)
    Earlier today I got an email response from evga informing me they would proceed with an rma. I called them up, informed them of my recent mishap. The customer service rep informed me that the warranty is now voided. Any physical damage to the board or pins effectively voids the warranty. Evga also does not offer any repair service. I ask him, what would of happened if I didn’t break the pin, and sent in the board for rma with a bent pin. His response was, they would of voided the warranty, canceled the rma and returned the board to me.

    So there we have it. If you bend a pin, it’s classified as physical damage, voids all warranty, and evga offers absolutely 0 support.


    I even asked if they can recommend a repair company, he informed me they cannot, and socket repairs have an extremely high failure rate and they don’t recommend it, which is why they stopped doing it years ago.

    Guess I now have a $500 dollar paper weight.

    Actually, it boots up fine, just can’t use the ram in dimm 2. Anyone want a 99% functioning mb for $100 lol
    #30
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