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Defekt RAM, or defekt GFX?


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I have build a new pc in April, and in the beginning I had some instability problems, but after reading in this forum, I found out, that I had to low Volts on my RAM, and after changing the Volt, my pc ran great :): but after about 4 month I started getting crashes and BSOF death, when I was gaming, and I tried everything, and eventually I seemed to have found the problem in the Creative driver, and then my pc ran great again, but only for about a month :[pouts: I have not been able to find a solution (I have all the time had a suspicion that my motherboard was the problem, but I have no idea, I have tried all the bios and driver updates, but nothing have helped.

I have tried two complete clean install of Windows XP Pro SP2, with new drivers, with and without Win updates, but I get the same results.

I have removed my Audigy soundcard, and are using the onboard soundcard, but with no difference.


I have run memtest86 all night, with no errors.

Today I have had my pc running Prime95 for 10 hours, with no errors.



Here is a more detailed description of my problem.


Whenever I'm gaming, I can play for about 5 to 10 minutes, and then I either get a crash/black screen, with the sound continuing in the background, and no response form the mouse or keyboard (but after a short time (30 sec) the sound gets louder, and sounds more like when you have forgotten to turn down your amplifier, and mess with the plugs) or I get a BSOD mostly with ati2dvag.dll something with infinite loop, or Driver_IRQL_NOT_LESS_OR_EQUAL, and I have to power-down the pc, then turn off the power for a few minutes, before restarting it again.

When I play CoD2 I have started to see some artefacts and triangles on the screen, just before the pc crashes, but that has only just begun within the last couple of days, and my GFX is not getting very hot, around 65-70 C. max.



To my surprise I tested bought CoD2 and Quake4 with just one dimm of RAM, and I get no crashes or BSOD, the only difference is that the games take "forever" to load, and the game-play is very choppy a times.

I have tested bought dims, no difference.


If I play a film/DVD on my pc, it stops responding after a few minutes, and I have to power down, and restart it.


Can somebody tell me why I have no problems running with one dimm, but it's not possible to run in dual channel?


My pc is not overclocked, the same goes for my GFX.

I run my RAM default only change is from T2 to T1 (have tried bought, but it’s the same)

Memory runs at 3-3-3-8

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  • Corsair Employees
Please set the Dim Voltage to 2.7X volts and then set the timings manually to the tested settings for the specific module you have, and then test the module/modules one at a time with www.memtest.org! If you still get errors, please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it! However, if you get errors with both modules that would suggest some other problem and I would test them in another system or MB to be sure.
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Damn, long day at work :eek:


The test ran without any errors for bough sticks. :sunglasse


Volts set at 2.75V (already set with alle my other tests)




Stick #1 ran last night for 6 hours, and made 27 passes, 0 errors.

Stick #2 Ran all day, for 12 hours, and made 54 passes, 0 errors.


As I read this, is the RAM fine? and I don't have to worry any more about them?



But why are my pc crashing when I use bough stick, while gaming, but not when I only use one stick?

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  • Corsair Employees

Based on the problems you posted I would suspect some type of power problem. But you might try and remove the Creative sound card and see if that helps. In addition, I would see if a friend can maby loan you a PSU just to test with to be sure. And or I would try testing the modules on a known working system if you can to be sure.


But I have no problem replacing your modules if you want to try that.

Please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it!

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Thanks for the offer, but I would only take you up on that, if I was absolutely sure it was my modules, and so fare I really don't see that they should be the problem, I was just wondering why I was getting BSOD and crashes when using bought sticks at the same time, and not while using only one at the time.


The friends I have, that have fairly powerful PCs, have the same PSU as I have, but they don't have any problems.

I know that my PSU is not the best, but I know a lot of people are using it, and like it a lot, (it's very quiet) but I have already decided that I will buy a Sea Sonic S12-600 (after Christmas ;): )


I have already removed my Creative soundcard, and am now using the onboard soundcard.


Tomorrow I hope that I can take my RAM and my GFX to one of my friends, and test them out, and se if I get the same problems there, he has almost the same configuration as I have.

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Well, I went to a friend’s house today, and first I tested my GFX, and it was just fine, then I tested my RAM, with my GFX, everything still fine.


I then vent into his Bios, just to check his Volts and everything was lover than my PSU, but within spec.

He has the same PSU as I have, but have two SATA hard drives a CD ROM , an Xfi Creative soundcard, four sticks of RAM, a front-fan-control-panel, a big USB hub, and a Bluetooth device of some sort for his mouse and keyboard, so he uses a lot more power that I do.


I will now go and buy a new motherboard (hopefully tomorrow) an Asus board, as I really have no more faith in MSI :eek: and always have had god experience with Asus, and if my problems disappear, I will RMA the MSI motherboard.


Thanks for your help RAM GUY :biggrin:

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It's working :D: :D:


I installed my new motherboard, Asus A8N-E rev.2 but got a BSOD, on bought my HD, but then I remembered that my MSI had two LAN"cards" build in, and the Asus only has one, so I made a fresh Windows XP pro-SP2 install, and everything works fine :):


Thanks for all your help RAM GUY....


Sorry for bad spelling, have not installed MS Office yet :p:

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I know this is not the right place to ask this question, but I will try my luck anyway :o:


I can't get into my "normal" Windows installation, as I forgot to uninstall the LAN drivers, before installing my new motherboard, as the "old" MSI have two LAN-cards onboard, and the Asus only one, so I tried to start in safemode without LAN support, to uninstall the LAN drivers, but I get a BSOD everytime, witch I don't understand, as I was under the imperssion, that when you load Windows in Safemode, without LAN support, no drivers is run?

Am I wrong, or is there another solution?

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