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Win7 won't boot after Memory Upgrade


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I'm having some real problems upgrading the memory on my machine and am after some assistance.


After buying/installing Corsair Vengeance 2x4GB 1600 DDR3 memory the PC freezes at the windows splash screen. If I return my original memory it boots fine.


PC Spec is:

Gigabyts ga-h55m-ud2h with F11 BIOS (the latest)

Pentium i3 550 processor 3.2ghz

Windows 7 64 bit home premium


According to my research the motherboard can support upto 16gig and so can the Win7 version I have. Motherboard supports DDR3 upto 2200 (caveat i7 is needed for this speed). I have enabled XMP in BIOS and the memory is running correctly at 1600mhz 9-9-9-24 timings.


When I try to run memtest86+ it seems to stop on test2 at 50%. I've been unable to get the machine to boot with a single DIMM as I was hoping I could run memtest on a single DIMM (perhaps this is expected).


I've spent the last 3 days on google to try and find a fix for this and have pretty much run out of ideas (BTW, Im no PC expert so its been a steep learning curve for me to get this far).


So the question is, can corsair vengeance DDR3 1600 & GA-H55M-UD2H work together or are the incompatable?



Many thanks for anyone taking time to reply to my post.



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Update to this issue - If I tick the 'maximum memory' box and set max memory to 8192 (or more) in msconfig I can then get the machine to boot up. The issue now is the memory the OS displays is 8GB but usable memory is approx 3.3Gig.


Im wondering if there is some real compatability issue with this memory and the hardware I have ??

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  • 3 weeks later...

I had a problem similar to what you are experiencing. I could not resolve the problem by any method until I bit the bullet and did a complete reinstall of the OS and, subsequently, all my programs from the ground up. I have no idea why the previous installation of Windows (7 sp1 in my case) didn't like the additional memory.


Maybe there could be some help if you search the Microsoft website.

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