64bit only allowing 3gb of ram

Discussion in 'Windows 7' started by drum-beats, Aug 16, 2009.

  1. drum-beats

    drum-beats MDL Novice

    Jun 29, 2009
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    I have recently purchased and installed windows 7 ultimate 64-bit on my laptop, i got the 64-bit version because it is supposed to be able to support my 4gb of ram, however when i right-click on computer and click properties it only says i have 3gb installed,
    any help on fixing this issue will be much appreciated??
    thanks in advance,
     
  2. Geezzer

    Geezzer MDL Novice

    Aug 10, 2009
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    Could be your BIOS settings (refer to manual). For example in Asus P5B motherboard BIOS setting called "memory remapping" must be enabled in order to use more ram than 3 GB.
     
  3. el6

    el6 MDL Novice

    Jan 31, 2008
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    What brand and model of computer ?
    Some chipset may not see 4 gb of memory. It is hardware limitation, not software.
     
  4. ElCrawdad

    ElCrawdad MDL Novice

    Aug 16, 2009
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    Total Memory and Usable Memory

    I have a 4 year old Asus Notebook. Both Vista and Windows 7 recognize that 4 gig of memory is installed, but only Windows 7 advises me that only 2.8 gig are usable. I was blissfully ignorant until Windows 7.
     
  5. drum-beats

    drum-beats MDL Novice

    Jun 29, 2009
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    Asus F5RL
    I bought it new about 8 months ago,
     
  6. yaluza1967

    yaluza1967 MDL Member

    Jun 6, 2009
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    do you have graphic card with memory share ?
     
  7. drum-beats

    drum-beats MDL Novice

    Jun 29, 2009
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    its an integrated ati raedon x1100
    i dont know about memory share
     
  8. yaluza1967

    yaluza1967 MDL Member

    Jun 6, 2009
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    #10 yaluza1967, Aug 16, 2009
    Last edited: Aug 16, 2009
    after google it, yeah your graphic card use share memory, take a look in your setup bios for see size max allowed of memory sharing
     
  9. yaluza1967

    yaluza1967 MDL Member

    Jun 6, 2009
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    #12 yaluza1967, Aug 16, 2009
    Last edited: Aug 16, 2009
    after check max size allowed video memory share

    it's a stupid question ... are you sure running on 64 bit OS

    hum it's not HW, half of SODIMM will be bad !?
     
  10. drum-beats

    drum-beats MDL Novice

    Jun 29, 2009
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  11. yaluza1967

    yaluza1967 MDL Member

    Jun 6, 2009
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    ok sorry for the stupid question, look for memory sharing size
     
  12. drum-beats

    drum-beats MDL Novice

    Jun 29, 2009
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    bios says 3008Mb installed + 128Mb shared
     
  13. atifsh

    atifsh MDL Junior Member

    Jun 4, 2008
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    for one, how and when have u bought windows 7, when its not available for sale yet :)

    remove one dim and see how much it sahows, then try second. if both shows 2 gb each seperatly then u need to update bios or find some option in bios.
     
  14. TVTVTV

    TVTVTV MDL Novice

    Jul 29, 2009
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    If the BIOS says that only 3GBs are installed, then it's not W7's fault. :)
     
  15. yaluza1967

    yaluza1967 MDL Member

    Jun 6, 2009
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    load default setting bios

    strange, like a vista without sp1
     
  16. Lenmaer

    Lenmaer MDL Addicted

    Jul 3, 2009
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  17. drum-beats

    drum-beats MDL Novice

    Jun 29, 2009
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