Windows 10: Windows 10 Pro only reading 24 GB of 32 GB installed, Solved

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  1.    30 Jul 2015 #11

    Hellishdream said: View Post
    I have run 8.1 pro ( also what I am upgrading from) on the machine in question, I also have re-seated all the sticks,reset the bios ,removed any/all overclocks that were inplace, however after I regressed to Win 8.1 Pro all 32 GB are registering. The included screen shots are all while Win 10 Pro was installed and running, Both OS are 64 bit. The RAM DIMMs are dual channel 4x 8 Gb sticks of Gskill Ripjawz running at 1600MHz running on a Gigabyte 970A-D3 motherboard with a AMD

    8120 CPU.
    Sorry I see you are running an AMD 8120. I'm having trouble finding the memory specs for it. I assure you it has specs, LMAO
      My ComputerSystem Spec


  2. Posts : 31
    Windows 8.1 pro, Windows 10 Pro
    Thread Starter
       30 Jul 2015 #12

    Really1 said: View Post
    Sorry I see you are running an AMD 8120. I'm having trouble finding the memory specs for it. I assure you it has specs, LMAO

    I know the CPU and Motherboard can support the 32 GB of ram, normally RAM is limited by the motherboards memory controller(memory bus). the 970A-D3 supports up to 32 GB as stated here: GIGABYTE - Motherboard - Socket AM3+ - GA-970A-D3 (rev. 1.4)
    I am in the process of doing a clean install of Win 10(64bit) to see if the clean install exhibits the same behavior as before. The RAM was showing in the bios as stated in the OP I reset bios,re-seated the DIMMS and still had the same issue . It appears for some reason the system is seeing the sticks as single channel instead of dual channel. Hopefully this will be fixed by the clean install. Will post results as soon as I can.
      My ComputerSystem Spec

  3.    30 Jul 2015 #13

    If the clean install has no success then I would try installing the generic AMD chipset Win 10 drivers until Gigabyte release some specific for your board. That's what my money's on as being the cause of the three problems: single channel, 8MB hardware reserved and only 24GB reported.

    Chipset
      My ComputerSystem Spec


  4. Posts : 31
    Windows 8.1 pro, Windows 10 Pro
    Thread Starter
       30 Jul 2015 #14

    Nus said: View Post
    If the clean install has no success then I would try installing the generic AMD chipset Win 10 drivers until Gigabyte release some specific for your board. That's what my money's on as being the cause of the three problems: single channel, 8MB hardware reserved and only 24GB reported.

    Chipset


    I have just completed the 2nd installation and it seems the prior issue must have been a fluke. The system is now showing all 32 GB in system information and shows all as usable. It would appear the issue fixed itself .
    Attached Thumbnails Attached Thumbnails SYS with all 32 usable.PNG   TM showing all ram as avail.PNG  
      My ComputerSystem Spec


  5. Posts : 31
    Windows 8.1 pro, Windows 10 Pro
    Thread Starter
       01 Aug 2015 #15

    The memory bug returns....


    Well as stated and shown I thought I had this RAM issue sorted out, and it seems I did for a day or 2. However yesterday upon starting the PC in question I noticed this bug has returned...currently switching HDDs and reflashing bios to rule these out as possible corrupts. Will post results when I can , this is ridiculous. PC ran fine then for no apparent reason this RAM issue returns. I am beginning to suspect a memory fault in the core coding , or a massive memory leak, though neither of these explains why my PC shows 8GB as hardware reserved, no turbo technology is enabled , and there is no hardware that could possibly require 8 GB to be reserved.
    Last edited by Hellishdream; 01 Aug 2015 at 12:52. Reason: fixed typing errors
      My ComputerSystem Spec


  6. Posts : 615
    Windows 10 Enterprise x64 (build 10586)
       01 Aug 2015 #16

    Have you updated your BIOS?
    *Update* Nevermind, I'm assuming that by flashing your BIOS, you'll be flashing the latest one to it.
      My ComputerSystem Spec

  7.    01 Aug 2015 #17

    Windows 10 Xbox is more than my expectation, really awesome
      My ComputerSystem Spec


  8. Posts : 31
    Windows 8.1 pro, Windows 10 Pro
    Thread Starter
       01 Aug 2015 #18

    You said: View Post
    Have you updated your BIOS?
    *Update* Nevermind, I'm assuming that by flashing your BIOS, you'll be flashing the latest one to it.
    Upon reviewing my bios version it appears I was using a "modded" bios , after flashing to the actual Gigabyte f12 bios the RAM seems stable. We'll see how long it lasts this time. Though I have the XMP profile enabled for the RAM and a mild CPU overclock in place at this time ad the system appears stable after running prime 95 (blend test)for a significant length of time with no errors. Fingers crossed hopefully this fixed my issue.
      My ComputerSystem Spec


  9. Posts : 615
    Windows 10 Enterprise x64 (build 10586)
       01 Aug 2015 #19

    Good luck!
      My ComputerSystem Spec


 
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