W7 64 bit only detecting 3GB out of 4GB


  1. Jacob
    Posts : 9
    Windows 7 64bit
       New #1

    W7 64 bit only detecting 3GB out of 4GB


    Hey there,

    I recently installed a 4GB DDR2 800Mhz and under Control Panel\All Control Panel Items\System i can see that installed memory 4.0GB (2.94 usable) so i have 1 GB of ram missing !

    anyone?
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  3. Haastrain
    Posts : 2
    Windows 7 RC 7100 64 bit
       New #2

    I had the same exact problem. It is a motherboard limitation. You need to go into your BIOS and enable "Memory Remapping". If I remember correctly, it's in the Northbridge settings.
      My Computer
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  4. Jacob
    Posts : 9
    Windows 7 64bit
    Thread Starter
       New #3

    Hey Haastrain i did that and its working now :) thanks alot
      My Computer
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