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  1.    30 Aug 2017 #111
    Join Date : Apr 2017
    Posts : 8,762
    windows 10 professional version 1607 build 14393.969 64 bit

    Please confirm:
    The testing on your computer with Memtest86
    1) whenever 4 DIMM were used displayed immediate errors (any orientation of the RAM modules)
    2) whenever 2 DIMM were used displayed no errors (any orientation of RAM modules)
    3) whenever 1 DIMM was used displayed no errors (all 4 RAM modules tested)

    The testing on your computer with Memtest86+ version 5.01
    1) whenever 4 DIMM were used displayed no errors
    2) whenever 1 DIMM was used displayed no errors (all 4 RAM modules tested)

    So the Memtest86 testing algorithm is finding errors whereas the Memtest86+ testing algorithm is not finding any errors.
    The Memtest86 only finds errors when all 4 DIMM are used and not when 2 or 1 DIMM are used.
    Memtest86 has not be used to test 3 DIMM at the same time.

    If you test the RAM in another computer that is able to test all 4 RAM with Memtest86 and find that there are no errors you then have confirmation that you have a motherboard problem.

    Then you would replace the motherboard.

    So you used the best testing tools we have available.
    The computer parts have a cost.
    That is the reason and only reason for the testing.
    If you had another motherboard to swap you could do that. If there are no longer any Memtest86 errors on the swaped motherboard you then have confirmation.
    The best that we can determine now from the results in the thread is that the RAM is ok and the problem is with the motherboard.
    If there is a friend, neighbor, or local store that can check the 4 RAM that would enable you get additional rule in or rule out information to make a decision about RAM versus motherboard.
      My ComputerSystem Spec
  2.    31 Aug 2017 #112
    Join Date : Jul 2017
    Posts : 75
    windows 10
    Thread Starter

    Okay so if the motherboard is the issue I'd like to just order a replacement a move forward.

    is it possible to order exactly the same board and just move all the hardware over?
      My ComputerSystem Spec
  3.    31 Aug 2017 #113
    Join Date : Apr 2017
    Posts : 8,762
    windows 10 professional version 1607 build 14393.969 64 bit

    There are members with expertise in our hardware forums on motherboards and it would be best to have them comment on your hardware change.
    Dell indicated the replacement refurbished part number is 8FMMC and indicated that they only sell refurbished parts with 90 day warranty.
    Support | Dell US

    There are many other websites for shopping for cost and performance.

    Create a Microsoft account if you don't already have one as a backup plan.
    https://support.microsoft.com/en-us/...ardware-change

    How to Install a Motherboard: 15 Steps (with Pictures) - wikiHow
    How to replace or install a motherboard in your computer
    Upgrade Your Motherboard the Easy Way | PCWorld
    30 Tips on Upgrading a Motherboard - ExtremeTech
    What are the steps I need to take before upgrading my motherboard and CPU? - [Solved] - Motherboards
      My ComputerSystem Spec
  4.    02 Sep 2017 #114
    Join Date : Jul 2017
    Posts : 75
    windows 10
    Thread Starter

    Hello again, I was asked on a different forum to update my bios completely, after doing so I ran the memtest one more time with all 4 sticks installed.

    zero errors found! evidently the errors were caused by the wildly outdated bios
      My ComputerSystem Spec
  5.    02 Sep 2017 #115
    Join Date : Apr 2017
    Posts : 8,762
    windows 10 professional version 1607 build 14393.969 64 bit

    See post 2, 16 and post 30.......you had updated the bios?

    4) The BIOS is also outdated:
    Code:
    BIOS_VERSION: A01
    BIOS_DATE: 12/01/2011


    Please update from here: Aurora R4 System BIOS Driver Details | Dell US
      My ComputerSystem Spec
  6.    02 Sep 2017 #116
    Join Date : Jul 2017
    Posts : 75
    windows 10
    Thread Starter

    No I knew it was outdated but I hadn't updated it yet, I finally decided to go ahead and update it yesterday. It's version A11 now lol

    memtest ran ran after updates were completed and no errors found with all the sticks in place

    now im just having issues getting windows installed again, it goes through the motions and says the installation is successful and it reboots but then it shows there's two operating systems (even though I selected to format the drive) and it wing boot into either, instead it tries, spins for a while and then just reboots
      My ComputerSystem Spec
  7.    02 Sep 2017 #117
    Join Date : Jul 2017
    Posts : 75
    windows 10
    Thread Starter

    Windows is now sucsessfully installed and working great I've run Prime95 stress testing and such with zero erros so I'm hoping the system is stable and good to go now
      My ComputerSystem Spec
  8.    05 Sep 2017 #118
    Join Date : Apr 2017
    Posts : 8,762
    windows 10 professional version 1607 build 14393.969 64 bit

    That's great.
      My ComputerSystem Spec

 
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