4GB out of 8 GB usable - how to fix?

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  1. Posts : 21
    Windows 10
       #1

    4GB out of 8 GB usable - how to fix?


    Why is Windows reserving half of my RAM? How can I release it? Is my GPU stealing it? It has 4GB on the card.



    4GB out of 8 GB usable - how to fix?-chllp34.png
    Specs

    PSU: Cougar STX 650W 80 Plus
    Mobo: Asrock A75M-HVS P1.80
    Processor: AMD Llano A6-3650 2.60GHz Socket FM1
    Memory: Corsair Vengeance 8GB (2x4GB) DDR31866Mhz Memory Kit CL9 1.5V
    GPU: XFX Radeon R9 380 4GB
    Case: Fractal Design Define Mini Series Micro ATX Case - Black Pearl


    Last edited by chewlip; 16 Jan 2016 at 15:33.
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  2. Posts : 3,264
    Windows 11 Pro 64 bit Version 21H2
       #2

    Type MSCONFIG in run command, go to boot tab then click advanced options and make sure maximum memory is not checked.
    Just put in this RAM ? Check in the BIOS to see what it shows as RAM total there.
      My Computer


  3. Posts : 1,261
    Windows 11 (22581.100)
       #3

    You could also try removing a 4GB stick out, then swap it with the other and see whether it resolves the problem.
      My Computers


  4. Posts : 21
    Windows 10
    Thread Starter
       #4

    jds63 said:
    Type MSCONFIG in run command, go to boot tab then click advanced options and make sure maximum memory is not checked.
    Just put in this RAM ? Check in the BIOS to see what it shows as RAM total there.
    MSCONFIG maximum memory is not ticked. BIOS looks like this:

      My Computer


  5. Posts : 21
    Windows 10
    Thread Starter
       #5

    brummyfan said:
    You could also try removing a 4GB stick out, then swap it with the other and see whether it resolves the problem.
    I tried this with some skepticism, but it has worked! How weird, and how did you know to try that?
      My Computer


  6. Posts : 3,264
    Windows 11 Pro 64 bit Version 21H2
       #6

    Weird how BIOS showed it as correct before this, yes this would of been the next step.
      My Computer


  7. Posts : 1,567
    Windows 10 Pro
       #7

    Even more strange that Windows indeed reported 8 GB (at least installed) to start with and then deemed it all useable after a stick swap?

    I would have otherwise guessed that one of the sticks wasn't correctly and completely seated in its socket until after the swap.
      My Computer


  8. Posts : 3,264
    Windows 11 Pro 64 bit Version 21H2
       #8

    Word Man said:
    Even more strange that Windows indeed reported 8 GB (at least installed) to start with and then deemed it all useable after a stick swap?

    I would have otherwise guessed that one of the sticks wasn't correctly and completely seated in its socket until after the swap.

    I have been dealing with DDR4 RAM PC won't even boot properly if not seated just right, very particular RAM. Believe before the swap the BIOS showed all 8GB, which i felt was odd.
      My Computer


  9. Posts : 1,261
    Windows 11 (22581.100)
       #9

    chewlip said:
    I tried this with some skepticism, but it has worked! How weird, and how did you know to try that?
    I'm glad for you, my fellow members in this forum have helped me immensely and I help others whenever I can with the little knowledge acquired over a period:)
      My Computers


  10. whs
    Posts : 1,935
    Windows 7
       #10

    brummyfan, no need to be apologetic. We all do the best we can and you are doing just fine.
      My Computer


 

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