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hardware problem in windows mem test


bethann81

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i built my pc back in june and had some problems at first getting the MB to load the 4g (4 x 1g). the computer wouldn't even start until i started it up with only 2g and then entered in the mem info in the bios manually, but then once i started it back up with the 4g it's run fine ever since...until now. my case has a front display that moniters mem temp and it never gets above 36C. for a couple of weeks now, when i get up in the mornings i'll find that my pc has shut down over night due to a critical error. i have virus and spyware scans set to run every night. every now and then i'll get the BSOD while i'm using the pc, and internet explorer restarts itself just about everytime i use it. the only new hardware i've installed is a driver for a video camera/webcam and the only new software i've installed are spore and microsoft silverlight. i ran the microsoft mem diagnostic tool, the standard test, and at about 10% it recognized a hardware problem. i then updated my MBs bios and removed the case cover and cleaned everything with an air can and ran the test again and got the same results. so i'm wondering what to do now. can someone help me please!

thankyou

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First can you tell me the exact part number of the modules that you have? And with four modules you may need to drop the memory frequency to DDR667 in order to stabilize the system, due to limitations of the memory controller embedded on the CPU. I would run the Windows test with the memory at 667MHz and see if you still have errors.
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oh yeah sorry. they're 2 matched pairs of Corsair XMS2 DHX Dual Channel 2048MB PC6400 DDR2 800MHz. i think the serial #s are 08201312 and 08190190, if that helps. do you think i could have them installed in the wrong order, and if so why would they just now stop working correctly? my cpu is AMD athlon 64x2 dual core 6000+, if that helps, as well.

update: i have uninstalled the driver and silverlight cause i was suspicious of their functionalilty anyway. i then ran the basic test and no problems were detected, but when i ran the standard test i got the same results as before - somewhere between 9% and 10% a problem was detected. i think i know how to drop it down to 667 so i'll try that now.

thanks

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Along with the part number, you should find a voltage rating on the memory label. Depending on the part you have the voltage should be 1.8-2.2 volts (default voltage for DDR2 is 1.8v), and I would suggest setting this voltage manually. If you can tell me the exact part number I can tell you the voltage its tested at.
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the part number is cm2x1024-6400c4dhx

the voltage is 2.10

i had everything set manually

 

i'm almost positive now that it's bad ram. i opened up the box and removed 2 sticks. i ran the diagnostics again and there was no problem. i then removed those 2 sticks and put the 2 i had previously removed in their place and it wouldn't even start up. no beep, no nothing. so now i need to know who to contact about replacing the bad ram and if it would be at all possible to send back all 4 sticks and upgrade to 2 2g sticks. i know it's a long shot but i'm willing to pay the difference in price for a more stable system.

 

"And with four modules you may need to drop the memory frequency to DDR667 in order to stabilize the system"

 

this is the second time i've had to replace 2 sticks of ram and i'd like to be sure i don't have to again.

 

thanks for all your help!

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Let's get them replaced, please use the On Line RMA Request Form and we will be happy to replace them. Be sure to check the box that says “I've already spoken to Technical Support and/or RAM Guy.”

 

I would suggest contacting our customer service at 888-222-4346 and dial "0", (510) 657-8747 or email rmaservice@corsairmemory.com and should be able to let you know what options may be available.

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looks like i'll be able to upgrade with no problems and shipping will be my only additional costs.

thank you soooo much!

 

Glad to hear it worked out, let us know if you have any problems once you receive the replacements!

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