Windows 7 64 bit Only Detecting 2gb of ram?


  1. Posts : 2
    Window 7
       #1

    Windows 7 64 bit Only Detecting 2gb of ram?


    Hello, I'm new here. If this is posted in the wrong section, I apologize.

    Today when i booted my computer, it said "windows has detected a decrease in memory" I turned off my computer, unplugged it, took out all 3 sticks of ram, put them back in...

    Still, windows is only detecting 2gb of ram when I really have 3gb of ram.
    Performance Index for ram went down from 5.9 to 5.5

    Can someone tell me what to do so that windows recognized all 3gb of ram.

    here's a a couple screen shots:

    http://img180.imageshack.us/img180/488/ss1z.png
    http://img88.imageshack.us/img88/8462/ss2hd.png

    Thanks!!
      My Computer


  2. Posts : 5,795
    Windows 7 Ultimate x64 SP1
       #2

    It is giving this behavior, because likely, one of your memory sticks, or one of your memory slots has died. Swap them around to find out which it is, and then you can go about replacing that part. Hopefully, it will be one of the sticks, as that would be much simpler than replacing the mobo.
      My Computer


  3. Posts : 474
    Windows 7 Enterprise x64 SP1
       #3

    how many sticks of ram? one could have gone bad which can happen. to test this try booting with each stick. if one fails post (boot up test), then its bad. :)

    you can also check the bios to see how much ram it sees. if it also sees 2gb, then im right. no sticks are bad, then reseat all the ram sticks.
      My Computer


  4. Posts : 1,419
    Windows 7 7600 1 X64
       #4

    Jared said:
    Hello, I'm new here. If this is posted in the wrong section, I apologize.

    Today when i booted my computer, it said "windows has detected a decrease in memory" I turned off my computer, unplugged it, took out all 3 sticks of ram, put them back in...

    Still, windows is only detecting 2gb of ram when I really have 3gb of ram.
    Performance Index for ram went down from 5.9 to 5.5

    Can someone tell me what to do so that windows recognized all 3gb of ram.

    here's a a couple screen shots:

    http://img180.imageshack.us/img180/488/ss1z.png
    http://img88.imageshack.us/img88/8462/ss2hd.png

    Thanks!!
    Welcome to Windows 7 Support.
    I see that Deacon and Merkat have already given you good suggestions, I'll throw in with my 2 cents and add that since you have a custom rig check out your bios settings. We don't know whats changed in your case did you you just complete the install to Windows 7 or did you have updates and so on.
      My Computer


  5. Posts : 2
    Window 7
    Thread Starter
       #5

    well that's really strange...

    after spending 10 minutes swapping the memory around, is appears that windows is now detecting all 3gb of ram...

    problem solved i guess?

    thanks for the help everyone!
      My Computer


  6. Posts : 49
    windows 7
       #6

    I agree try starting your pc with just 1 stick of ram in it at a time
      My Computer


  7. Posts : 474
    Windows 7 Enterprise x64 SP1
       #7

    Jared said:
    well that's really strange...

    after spending 10 minutes swapping the memory around, is appears that windows is now detecting all 3gb of ram...

    problem solved i guess?

    thanks for the help everyone!
    Glad to hear :)

    I guess the all ram wasn't seated correctly on the motherboard
      My Computer


  8. Posts : 53,363
    Windows 10 Home x64
       #8

    Suggest you run Memtest86 to see if you get any errors:

    Memtest86

    A Guy
      My Computer


  9. Posts : 5,795
    Windows 7 Ultimate x64 SP1
       #9

    Yep, I'd still want to run Memtest just to make sure the memory tested out okay, but it does sound like one of the sticks just wasn't seated properly.
      My Computer


 

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