64 bit windows is detecting only 2gb of the 4gb ram installed


  1. abu46
    Posts : 74
    Windows 7 Ultimate x64 SP1
       New #1

    64 bit windows is detecting only 2gb of the 4gb ram installed


    Hi guys,

    i have 2x2gb corsair make ram sticks installed on my 64bit windows pc

    but since yesterday windows is only detecting 2gbs of ram, while the bios and sw like rammon detect 4gb installed

    have tried resetting bios by jumpers but sometimes windows says 2gb, 2.96gb usable and sometimes detects full 4gb ram!!!!!
    Attached Thumbnails Attached Thumbnails 64 bit windows is detecting only 2gb of the 4gb ram installed-capture.jpg  
    Last edited by abu46; 24 Aug 2013 at 02:19.
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  3. ICIT2LOL
    Posts : 21,004
    Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
       New #2

    Abu mate might be worth running a memtest - takes a long time RAM - Test with Memtest86+

    you will need to make a bootable disk and set the BIOS to boot from the optical and let the test run for at least 8 passes unless it finds errors very quickly.
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  4. msalton1
    Posts : 325
    windows 7 Pro 64 Bit
       New #3

    +1 ICit2lol. Running it overnight is a good method.
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  6. ICIT2LOL
    Posts : 21,004
    Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
       New #4

    msalton1 said:
    +1 ICit2lol. Running it overnight is a good method.
    Absolutely mate the only exception is if I get errors straight away it makes life so much easier eh? :)
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