Windows 10 Pro - 64 Bit, 7.93gb RAM Usable, 16gb Found?

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  1. Posts : 3
    Windows 10 Pro 64 bit
       #1

    Windows 10 Pro - 64 Bit, 7.93gb RAM Usable, 16gb Found?


    Hello everyone, I am at a loss here with my new desktop as to why Windows 10 Pro (64 bit) is currently only allowing me to use half of my RAM. Due to a fried CPU I rebuilt this computer with some good parts:


    CPU: Ryzen 7 1700
    Motherboard: ASUS H97 Plus
    RAM: 16gb (2x8gb)
    Video: GTX 1070
    500gb SSD + 1TB HD

    I saw some people asking about RAM specifics, they were bought in a pack of 2:

    PNY Anarchy 16GB Kit (2x8GB) DDR4 2133MHz (PC4-17000) CL15 Desktop Memory (BLUE) - MD16GK2D4213315AB

    During the process I formatted my harddrives and reinstalled windows (first time using windows 10, always been a fan of 7) and have the 64 bit Windows 10 Pro installed.


    When I enter bios the bios show 16gb of RAM read in the correct channels however I cant seem to allow my computer to use more than 8gb of RAM which is detrimental to a lot of the things I do on this.


    Browsing countless forums Ive tried a variety of fixes, like turning off the Auto Manage Paging Files, reseating RAM, checking bios to make sure its running at the correct speeds/voltage, I have no idea what to do next.


    This is currently Windows 10 Pro 64 bit, I thought it might be that I havnt activated it yet (waiting on a key) but from what I have read that doesn't affect available RAM usage.
      My Computer

  2. Plankton's Avatar
    Posts : 2,078
    Windows 10 Pro
       #2

    Not that I doubt you.....but how do you know your PC is only allowing half the RAM to be used?
      My Computer


  3. Posts : 3
    Windows 10 Pro 64 bit
    Thread Starter
       #3

    When I go into system information/task managerWindows 10 Pro - 64 Bit, 7.93gb RAM Usable, 16gb Found?-system.png
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  4. ThrashZone's Avatar
    Posts : 7,107
    3-Win-7Prox64 2-Win10Prox64
       #4

    Hi,
    Hardware reserved 8.1gb's is where it is soaked up
    Attachment 154873
    Why well most I've read it's a bios issue where possibly seeing if there is a bios update might address the issue ?
    Might also try optimize default in the bios ?
      My Computers


  5. Posts : 3
    Windows 10 Pro 64 bit
    Thread Starter
       #5

    Thats what caught my eye, however running default bios settings and it is currently at the most up-to-date version, the bios also shows the full 16gb being read just fine
      My Computer

  6. ThrashZone's Avatar
    Posts : 7,107
    3-Win-7Prox64 2-Win10Prox64
       #6

    Hi,
    I would imagine it's the amd processors built in graphic's that has reserved the 8.1gb's
    How to free it up ?
      My Computers

  7. Plankton's Avatar
    Posts : 2,078
    Windows 10 Pro
       #7

    ThrashZone said:
    Hi,
    I would imagine it's the amd processors built in graphic's that has reserved the 8.1gb's
    How to free it up ?
    Exactly....you must disable the onboard GPU and set the PCI express port as default for your GPU.
    EDGE not working on Tenforums anymore

    But first I'd check to make sure that the RAM sticks are firmly seated.
      My Computer

  8. Plankton's Avatar
    Posts : 2,078
    Windows 10 Pro
       #8

      My Computer

  9. ThrashZone's Avatar
    Posts : 7,107
    3-Win-7Prox64 2-Win10Prox64
       #9

    Hi,
    I'm sure uefi bios will look a lot different that those legacy bios :)
      My Computers

  10. boombastik's Avatar
    Posts : 402
    Windows 10 X64 latest
       #10

    CPU: Ryzen 7 1700
    Motherboard: ASUS H97 Plus


    Theese cant play together. please write down what your pc have. Also ryzen has no onboard grafiks.

    -http://www.overclock.net/t/1629745/crosshair-vi-hero-16-gb-ram-8gb-usable-help
    Here in internet in a forum i found something similar. Better to read it.
    1)Maybe you have bent pin?
    2)clear cmos with battery.
    3) run ram in lower speed.


    Some more search:
    This is like a bios asus bug for ryzen:
    -https://rog.asus.com/forum/showthread.php?93066-DRAM-ignores-the-freq-timings-I-set/page2
    read more and try with another ram
      My Computer


 
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