16gb but can only use 7.95gb?

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  • ThelostHunter12
    PCHF Member
    • Sep 2020
    • 2

    #1

    16gb but can only use 7.95gb?

    I bought 16gb ram today before I had 8gb. everything went well the computer started went into system information and got to see that I could only use 7.95gb ram but had 16gb installed I have tried to change with msconfig but nothing happens?

    my pc spec:

    CPU: AMD Ryzen 5 1600.
    GPU: Nividia Geforce gtx 1050ti 4gb.
    RAM: 16Gb Vengeance DDR4 3200Mhz.
    Motherboard: B350M Gaming Pro.
    HardDrive: Intel SSD-70gb / WDC 500gb.
    OS: Windows 10 Pro.
  • veeg
    PCHF Director
    • Jul 2016
    • 8982

    #2
    Hello

    Hopefully some of our members will chime in soon..

    @Bruce

    Comment

    • Bruce
      PCHF Moderator
      • Oct 2017
      • 10702

      #3
      interesting, I was going to suggest the way the memory may have been installed onto the mobo, dual channel slots, and all that.
      but your attachments show the PC has actually detected it has 16GB available, but indeed is only using 8GB.

      your first screenshot shows 8GB is being reserved (bottom right corner) so I’m think maybe the GPU is doing something in that area.
      have you checked BIOS to see if memory is being pre-allocated somewhere/somehow?
      is there any NVidia software that could be to blame?

      Comment

      • ThelostHunter12
        PCHF Member
        • Sep 2020
        • 2

        #4
        Originally posted by Bruce
        interesting, I was going to suggest the way the memory may have been installed onto the mobo, dual channel slots, and all that.
        but your attachments show the PC has actually detected it has 16GB available, but indeed is only using 8GB.

        your first screenshot shows 8GB is being reserved (bottom right corner) so I’m think maybe the GPU is doing something in that area.
        have you checked BIOS to see if memory is being pre-allocated somewhere/somehow?
        is there any NVidia software that could be to blame?
        Hello! i restored windows after that i could use all 16gb … strange but thanks anyway

        Comment

        • Bruce
          PCHF Moderator
          • Oct 2017
          • 10702

          #5
          cool.
          big hammer approach but whatever works.
          hopefully the issue won’t present itself again, but without knowing what the cause was, I fear it will.

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