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5m Old Home Build BSOD. Help!

Last response: in Systems
March 3, 2010 10:09:16 PM

I built this system 5 months ago and I seem to be getting random blue screen errors when I play various games. It is not consistant at all.

I want to say either the CPU or GPU are overheating!

I'm stuck without your help.

Helpful Info:
Just reinstalled Windows 7, so I seriously doubt this is a software issue

System Specs:

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7600.
Locale ID: 1033

Additional information about the problem:
BCCode: 50
BCP1: FFFFFA8063C743D8
BCP2: 0000000000000000
BCP3: FFFFF80002B9C13B
BCP4: 0000000000000005
OS Version: 6_1_7600
Service Pack: 0_0
Product: 768_1

Files that help describe the problem:

More about : home build bsod

a b B Homebuilt system
a b à CPUs
March 3, 2010 10:45:13 PM

Anytime I encounter a BSOD, I run a memtest, just to rule it out. Failing memory loves to create BSOD's, so it's logical to start there.

What are your temps at idle/load?
March 4, 2010 1:21:31 AM

I ran Memtest86 v4 through only one pass but everything checked out.

I d/l'd Prime95 64bit to load my cpu but I'm not sure how to measure the tempurature!

My case is starting to collect dust so I'm sure tempurature could be an issue
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Best solution

a b B Homebuilt system
a b à CPUs
March 4, 2010 2:12:03 AM

Ok, I'd let Memtest run overnight. Sometimes it takes a few passes to find bad spots.

I'd recommend Coretemp ( for monitoring CPU temperatures, and Speedfan ( for monitoring GPU temps, but there's more. I'd use Furmark ( to get GPU temps up quickly. When you run Furmark, you need to enable "Stability test", or something like that, it will have it run until you tell it to stop, and has a temp monitor built in.

And get that dust out of there! :) 
March 4, 2010 10:51:25 PM

Thanks jack_attack!

I'll be home in a couple hours and I'll let the testing comince. Is there anything I need to look for? What is a tempurature that is to hot for my cpu and gpu?

I'll post results when I get home.
a b B Homebuilt system
a b à CPUs
March 4, 2010 11:13:21 PM

I hope it helps. Memtest will let you know if it finds errors, I'd let it run overnight.

As far as your temps go, I'd get worried around 65-70C with that chip under load. I don't think it will throttle until 100C or so, but if it's getting too hot it can sometimes throw BSOD's out.

Nvidia says your GTX 260 can go to 105C, but I'd worry around 85-90C. My 8800GTX never breaks 80C, and it's a hotter chip that yours.

I think it's a safe bet to say you've got some dying RAM in there though.
a b B Homebuilt system
March 5, 2010 1:08:00 AM

And when doing the prime95 let it do the blend test that also tests RAM as well.
a b à CPUs
March 12, 2010 1:46:33 AM

Best answer selected by r_manic.
March 12, 2010 3:10:55 PM

I blew out all the dust and it seems to be alot more stable.

What are the highest temperatures I should see on my GPU and CPU?

Also, I'm using a Core 2 Quad Q8200 and core 0 is always running hotter than the other 3. Could the heatsink be loose over that core or is this normal?
a b B Homebuilt system
a b à CPUs
March 12, 2010 4:33:32 PM

That's normal. Core 0 and 1 get used the most, so they'll be the warmest. Just at idle, those two perform the background tasks.

As far as temps, what type of cooler are you using? Either way, I'd try to keep it under ~55C. Your GPU can go a lot warmer, upwards of 80C.
March 15, 2010 3:52:13 AM

I'm using the stock heat sink for my Q8200.

I just started up Prime95 and after 5mins SpeedFan is showing Core0 - 70C Core1 - 64C Core 2- 66C and Core 3- 65C

How about I buy a new Heatsink? Suggestions?
March 15, 2010 3:53:35 AM

I'm possible interested in overclocking my cpu, ram, and gpu. Where is a place to starting the learning process?
a b B Homebuilt system
a b à CPUs
March 15, 2010 4:02:47 AM

Wowsers. What type of case do you have? I can't really suggest a new HSF without knowing your space restrictions.
March 15, 2010 4:07:50 AM

Antec 300
March 15, 2010 4:21:43 AM

Looks like the AC Freezer 7 pro is the cheapest, best bang for the buck? I'm a poor college student! :) 
March 15, 2010 4:23:25 AM

ac freezer 7 is a great cooler, im currently using it for my q6600. make sure u use thermal paste though.
a b B Homebuilt system
a b à CPUs
March 15, 2010 5:07:08 AM

I'm using it right now as well, on my Q6600 too. @ 3.42Ghz, I never break 60C under P95 Small FFTs.