Windows 10: 8GB (3.9GB Usable), Windows 10 x64 Bit

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  1.    06 Jun 2017 #1

    8GB (3.9GB Usable), Windows 10 x64 Bit


    Hello, i tried to fix that problem with
    - Switch RAM from the port
    - Msconfig Checked Maximum Memory
    - No Paging file
    - Clear CMOS
    - Update Bios
    - Clean the yellow ram with rubber

    and still not work until now, here's some screenshots about that problem
    Click image for larger version. 

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    Please need help ..

    System Specs
    CPU : A10-7800
    GPU : Gigabyte GT 730
    Mobo: Biostar A58ML
    RAM : Silicon Power 2x4GB (1600 MHz)
    PSU : Enermax 500W
      My ComputerSystem Spec


  2. Posts : 3,300
    64bit Win 10 Pro ver 1709 Build 16299.371 and W10 Insider Builds 17134.1 and 17643
       06 Jun 2017 #2

    If you check on the Task Manager page you will see that there is an entry for the memory which indicates Hardware reserved memory is 4.1GB. Now this is most unusual and much higher than it should be. It suggests to me that one of the memory sticks or the slots is faulty. Try them each individually in each of the slots and note what the Hardware reserved memory is in each case. This should help identify what is faulty.

    Edit - the other possibility is that the RAM is simply not compatible. You MB manual should have a list of compatible RAM.
      My ComputersSystem Spec

  3.    06 Jun 2017 #3

    More here on that - if you search for 'hardware reserved' you will find a good number of results. (Ok, the following is for Win 7, but the concepts are there). Other people have experienced the same.

    https://support.microsoft.com/en-us/...ased-computers

    N.B. Setting your page file to zero will cause you problems.
      My ComputerSystem Spec


  4. Posts : 3,151
    10.5 Home 1803 x64
       06 Jun 2017 #4

    Check, how much RAM does GPU have reserved in "Uma Frame Buffer Size".
    Attached Thumbnails Attached Thumbnails capture_06062017_215804.jpg  
      My ComputerSystem Spec

  5.    06 Jun 2017 #5

    TairikuOkami said: View Post
    Check, how much RAM does GPU have reserved in "Uma Frame Buffer Size".
    8 GB (3,67 GB Usable)
    256 mb shared
    Last edited by RPM; 07 Jun 2017 at 02:23.
      My ComputerSystem Spec

  6.    06 Jun 2017 #6

    dalchina said: View Post
    More here on that - if you search for 'hardware reserved' you will find a good number of results. (Ok, the following is for Win 7, but the concepts are there). Other people have experienced the same.

    https://support.microsoft.com/en-us/...ased-computers

    N.B. Setting your page file to zero will cause you problems.
    philc43 said: View Post
    If you check on the Task Manager page you will see that there is an entry for the memory which indicates Hardware reserved memory is 4.1GB. Now this is most unusual and much higher than it should be. It suggests to me that one of the memory sticks or the slots is faulty. Try them each individually in each of the slots and note what the Hardware reserved memory is in each case. This should help identify what is faulty.

    Edit - the other possibility is that the RAM is simply not compatible. You MB manual should have a list of compatible RAM.
    Okay i think i know the problem..
    i tried install memory 1x4GB, the port DDR3_A1 work fine can boot, but port DDR3_B1 won't boot and tried install different memory still same won't boot.
    so how can i fix this ? Please help
      My ComputerSystem Spec


  7. Posts : 3,300
    64bit Win 10 Pro ver 1709 Build 16299.371 and W10 Insider Builds 17134.1 and 17643
       07 Jun 2017 #7

    Also try reducing the graphics memory to something lower, like 2GB, in the setting that @TairikuOkami pointed out.
      My ComputersSystem Spec


  • Posts : 1,925
    Windows 10 x86 14383 Insider Pro and Core 10240
       07 Jun 2017 #8

    It would appear that one of the memory slots is faulty (DDR3_B1). If your motherboard is under warranty, you may be able to exchange it, otherwise the board needs replacing.

    Removing the board and inspecting it for cracks or defects may identify the source of the problem.

    Check for bad capacitors on the motherboard, with domed tops (should be flat) or those that are split or leaking, or dry solder joints on the main board.

    It is just possible, but unlikely in this day and age, where contacts are gold plated, that one or more contacts on the slot are corroded, or more likely, contaminated with dust deposits.

    There are electronic contact cleaning aerosols available (often most cheaply from automobile parts stores), and the method to clear any deposits from the contacts would require you to spray the slot and reinsert the memory, remove it and repeat several times, then clean up any dissolved materials staining the board with a solvent such as isopropyl alcohol, and wads of tissue.

    You can get inexpensive fine bristle brushes used for "manicure nail art" from £ or $ stores, which can be used to dislodge dust from crevices, but ordinary household paint brushes may be used to dislodge large amounts of dust from motherboards, CPU coolers and system fans and power supply units.
      My ComputersSystem Spec

  •    07 Jun 2017 #9

    Fafhrd is probably correct.

    Just a note regarding CPU-Z showing 8 GB RAM. CPU-Z is merely showing the memory modules that it has identified. But a successful identification does not mean the memory is functional. There are all kinds of reasons why a module could be identified but unable to operate properly. For technical reasons it is not possible to check a memory module while Windows is running.

    Incidentally the screenshot in post #1 shows that there is indeed a pagefile. A 5.9 GB commit limit with 3.9 GB usable RAM is explainable only be the existence of a 2 GB pagefile. The commit limit is RAM size + pagefile size, minus a small overhead. If not explicitly configured it must be a temporary pagefile created by Windows.

    There are few legitimate reasons to disable the pagefile, and many not to. The existence of a pagefile does not in any way limit the size of usable RAM. I have seen claims that it does.
      My ComputerSystem Spec


  • Posts : 4,503
    Win10 Home and Pro, Win10 Insider Preview, Win7 Home, Linux Mint
       07 Jun 2017 #10

    To add, there are programs that look for the Virtual Memory [paging file] and a .tmp/TEMP Folder during their installation and while running, place to temporarily store data.
      My ComputerSystem Spec


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