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    HP Probook 4520s no windows boot after memory upgrade, but linux boots fine

    Discussion in 'Hardware Components and Aftermarket Upgrades' started by haacon1, Jan 20, 2011.

  1. haacon1

    haacon1 Newbie

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    Recently purchased the ProBook 4520s, running Windows 7 Home 32-bit. Upgraded the memory to 8GB Corsair (DDR3, 1333), and while it of course couldn't use all 8GB, it worked fine. Did a wipe and a clean install of Win 7 64-bit, updated drivers, and ran got a re-boot loop right after the BIOS screen. Ran a memtest using the BIOS utilities and came up fail, so I sent it back. Got new memory, this time from Crucial (DDR3, 1066). Memtest 86 showed memory was error free. Tried booting and same thing happened. Boots Windows fine with the 2GB that came with the machine, but not with any configuration that includes the upgraded memory in either slot with any combination of sticks. Tried the same thing with Ubuntu 64, and runs fine. Driver issue with Win 7 64? Any ideas what it might be and how I can fix it? Can't just run Linux cause I have some windows only apps needed for work. Already talked with HP support (unfortunately unhelpful) and Crucial (helpful but unable to identify issue) and came up with nothing. Any help would be appreciated.
     
    haacon1, Jan 20, 2011
    #1
  2. J.P.@XoticPC

    J.P.@XoticPC Company Representative

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    The installation of Windows 7 that you're trying to boot...Is it the same one you installed whilst the bad RAM was present? Have you tried reformatting the hard drive and reinstalling Windows?

    Sounds weird, I know, but I've had experience with bad RAM messing up my Windows installations before...
     
    J.P.@XoticPC, Jan 20, 2011
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  3. haacon1

    haacon1 Newbie

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    Hadn't ever heard that before. Definitely had the bad ram in with this install. I'll give it a shot and let you know if it works.
     
    haacon1, Jan 20, 2011
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