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At my wit's end

J

jaygatsby9

Weaksauce
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Joined
Dec 2, 2008
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122
:confused: I have a Maingear PC which is about two years old. I'm running Windows 7 32-bit. Intel Core i7 940. 3 GB Memory, Velociraptor 300 GB, 1000 W Silverstone Strider Power Supply. I used to have a 4870 x2, when the trouble started-- games and other 3D applications (e.g., Heaven Benchmark) kept crashing. Since then, I've done a clean install of Windows 7, replaced the video card with a GTX 480, cleaned out the case and added a second fan and replaced my surge protector. I've run all the anti-malware programs (incl malware bytes and super anti spyware), memory test, disc check etc. No problems. And yet, while I can sometimes go for awhile playing games, it still crashes! A black screen comes up, and then I have to re-start the computer by pushing the little button on the front. I had thought it was just because I was playing Fallout 3 and Fallout NV, but because it happens with the Benchmark too, I don't think I can just chalk it up to the game. I've also noticed that sometimes when I double click on a program on the desktop, it doesn't run.
1. Does anyone have any idea what's going on and how to fix it?
2. Does anyone know any reputable computer repair people in NYC who can come and fix it?
3. Does anyone want to buy a Maingear computer that is experiencing a few problems?
Thanks.
P.S. The computer has also been freezing more lately and sometimes has trouble shutting down.
 
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is the bios up to date? What temps are all the components (cpu, gpu etc) @ before the crash?
 
The bios is up to date (that was one of the things I did before, but forgot to mention).

The temps are anywhere between the high 40s and low 50s (Centigrade). They had been higher (but never more than mid-50s), but then I cleaned out the case and got the extra fan.
 
[Testing the RAM]
Download Memtest86+ v4.00 or whatever the latest version is, unzip it, burn the ISO file to a CD, and then boot from it, just like you would do with the XP/Vista install CD. Let Memtest+ run for at least three hours on each stick of RAM separately as well as test the RAM all together. Go for a full 24 hours if you want to be completely sure that the RAM is not a problem. If you start seeing errors, than your RAM is defective or you have incorrect settings for the RAM.

[Testing the Hard Drive]
Download the CD image of Hitachi Drive Fitness Test, burn the ISO file to a CD, and then boot from it, just like you would do with the XP/Vista install CD. Test the hard drive and see if any problems are found. DFT will run on most manufacturers' hard drives. Alternatively, you can use Seagate's SeaTools for DOS to test a Seagate or Maxtor drive. For a Western Digital drive, you could use Data Lifeguard Tools for DOS to test a Western Digital drive.

[Testing the CPU]
Use Prime 95, OCCT, Orthos or Intel Burn Tool to stress test the CPU.

[Testing the GPU]
Use Furmark or ATI Tool to stress test the GPU. If you see any artifacts, the GPU could be overheating, too overclocked, or faulty.

Your issue could also be mobo related. To rule out the motherboard, you would need to swap motherboards.
 
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