Windows 7 Ultimate 64-bit doesn't support 4GB RAM?

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  1. Ex_Brit
    Posts : 1,633
    Win 7 Ult SP1/Win 10 Pro (all x64)
       New #11

    I have 12gb of RAM and had no problems installing Win 7 Ultimate x64 twice on two separate partitions.

    I think maybe bad RAM, dirty sockets or BIOS settings are to blame, as all 12gb are recognized on mine.
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  3. sup3rsprt
    Posts : 1,557
    XP, Seven, 2008R2
       New #12

    Well he can easily rule out bad RAM and/or motherboard if he can boot into XP64 or a x64 Linux distro with all of the RAM installed.
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  4. Ex_Brit
    Posts : 1,633
    Win 7 Ult SP1/Win 10 Pro (all x64)
       New #13

    Try looking in MSCONFIG (Start/Run msconfig) Boot tab/Advanced button to see if the memory is limited there.
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  6. jimbo45
    Posts : 5,941
    Linux CENTOS 7 / various Windows OS'es and servers
       New #14

    Hi there
    I've also also no probs with 4, 8 or 16GB RAM.

    Note however the following

    1) Installation may APPEAR to hang - can take 15 mins or so with no apparent activity before you get License / Language / options screeen (upgrade / clean install)

    2) Sometimes having external USB devices plugged in during install causes hangs -- (mouse / keyboard OK but remove USB sticks, usb disks, usb tv cards etc). Plug these back in again after install.

    Cheers
    jimbo
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  7. warriorking
    Posts : 8
    Windows 7 Ultimate
       New #15

    12 Gig of RAM here with no issues on installation of Windows 7 Ultimate 64Bit...
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  8. Dave76
    Posts : 12,177
    Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
       New #16

    richc46 said:
    I have 6gb of RAM. It is still a common problem for Window 7 not to install, when there is an excess of 2gb?

    I ask because, if I try to install 7 (will received DVD on Tuesday) and I have a problem memory, I would prefer not to even begin the clean install process. I would not know how to remove the RAM.
    It depends on your mother board and maybe BIOS.

    Your Dell should be OK, both of mine (4GB RAM each) installed with no issues.
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  10. mcleod55
    Posts : 126
    Windows 7 Professional x64
       New #17

    Have you updated your motherboard BIOS. That might help. I installed yesterday with 4 GB ram with no problems at all.
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  11. jltk87
    Posts : 5
    windows 7 pro 64
       New #18

    having the same problem as you guys. cannot install more than 2gb ram. just updated the bios and nothings changed. If i leave it to boot with 4gb then it hangs on the windows logo and after a while just turns itself off.

    asus pn532 sli-se-deluxe, 2.4ghz dual core, corsair ram, 64 bit pro.
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  12. zigzag3143
    Posts : 28,845
    Win 8 Release candidate 8400
       New #19

    Guys
    \
    Just passing thru but did anyone suggest checking max memory setting in BIOS?

    Ken
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  13. sup3rsprt
    Posts : 1,557
    XP, Seven, 2008R2
       New #20

    I don't think anyone has mentioned it Ken. I remember you mentioning to someone else, but he couldn't find that setting. I don't know if he ever figured out the problem either.
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