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  Problem with RAM... but memtest64 shows no errors 
 
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Cliff Barnes Oct 10, 2011, 09:59am EDT Reply - Quote - Report Abuse
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I recently upgraded my PC with an extra RAM module, and this caused random reboots (no BSOD) to occur once or twice a day. I ran memtest64 and it found no errors, but I've now removed the new module and the rebooting has stopped. So is it possible that my mobo's spare RAM sockets could be faulty? And if so, how do I test it?

Spec:
Abit UL8 motherboard
AMD Athlon 64 3200+ processor
Memory: 1 x 1GB DDR PC3200, 1 x 512MB DDR PC2700, 1 x 1GB DDR PC3200 (this being the problematic one)
Windows XP SP3 Home Edition

Hope someone can help!

Cliff


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john albrich Oct 10, 2011, 10:40am EDT Reply - Quote - Report Abuse
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>> Re: Problem with RAM... but memtest64 shows no errors
.
Well, I suggest testing with JUST that 1 module installed, and the other 2 removed.

If your "memtest64" is running under Windows and isn't self-booting, then run a self-booting memory diagnostic such as found in the UBCD .iso

Or, even just run Windows with JUST that one module of RAM. However, I generally don't advise testing suspect memory under Windows because 1) you can get invalid results, and 2) you CAN corrupt your hard drive(s).

Cliff Barnes Oct 12, 2011, 11:01am EDT Reply - Quote - Report Abuse
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>> Re: Problem with RAM... but memtest64 shows no errors
I just tried running memtest64 with only the problematic RAM module installed. I ran it 5 times, and 4 times it stopped dead at 1 minute 27 seconds. (On the other occasion, the PC rebooted itself at that same point.)

Obviously I'll be contacting the company I bought it from, but while I wait for their response, does the screenshot below (from that fateful 01:27 mark) help explain the problem?

http://www.carolineofbrunswick.co.uk/temp/memtest64.jpg


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