Problem with computer

Hey everyone. I have been having problems recently with a newly built computer. I have ran a couple games on it before and i always seem after a good 30 mins of play the screen freezes and the computer locks up. I can't Ctrl + Alt +Del or anything except reset the computer. I am posting this in hopes of receiving some feedback on some troubleshooting tips on how to diagnose this problem. I want to apologize in advance if this has been incorrectly fourmly posted. I am going to post all my comp specs. I have ran a memtest and everything came back fine, I have ran 3Dmark and got a score of 8k. I really dont' know what could be wrong. Any feedback in appreciated.

Windows Vista Ultimate
AMD Phenom II X4 940 Processor
OCZ SLI 4096MB PC6400 DDR2 800MHz (2x2048MB)
Asus M3N72-D nForce 750a SLI AM2+ Motherboard
Seagate 750GB Serial ATA HD 7200/32MB/SATA-3G
Ultra LSP650 650w Power Supply
EVGA GeForce GTX 260 Core 216 896MB PCIe
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  1. only thing that stands out is
    Ultra LSP650 650w Power Supply

    also you dont list anything like memory timings. benchmark results.. screenshots of benchmarks

    screenshots of cpu-z

    etc.. would all help
  2. As mentioned the power supply could be at fault, or it could be a temperature issue since it takes 30mins for the problems to begin. Keep an eye on your temps and see if you notice anything as your using your computer.
  3. Could be heat, memory, power or BIOS problems among others. Temperature and memory problems need to be addressed first.

    Check your BIOS and make sure the memory settings match your memory's specifications.

    Please download Prime95 and CoreTemp. Run Prime95 on all cores (with "Detect rounding errors" checked) for at least one hour, watching core temps. Let us know what happens. That will tell us about heat and provide another type of memory test.

    Download from:
  4. Thanks for the test. I tested my system and it come up with a hardware error which can be seen here

    I tried to view the error but I can't seem to find out how to view what kind of error it was so I can diagnose the problem further. I first ran the program while I took a shower. When I got got out the computer restarted. I ran it a second time and in the picture is what I got. I did the Blend test. I'm not sure if that is the test I should have done.
  5. That error usually means a memory error. The error can still be the RAM stick(s), mobo, heat, or psu. The fact that core temp did not go over 61C should eliminate heat.

    Check your BIOS and make sure the memory settings match your memory specs. If BIOS says "Auto", use CPUID's CPU-Z to get the timings being used, and CPUID Hardware Monitor to get the voltage. Record what it says, then manually set BIOS to your mem spec.

    Rerun the test using 1 stick of RAM. Then run the test again using only the other stick of RAM.
  6. Boxer I understand how to change find the timing for the memory in CPU-Z and change them in the bios, but How do I used the hardware monitor to find what voltage settings they should be at?
  7. Sorry lol. I should know better by now how to make that clear.

    Download CPUID's "Hardware Monitor" from the same site I gave you above. That program will display your actual memory voltage.
  8. Yes I understand the downloads. I'm a bit confused on the hardware monitor. It seems to me that the hardware monitor shows what my system is currently doing. It doesn't seem to show the voltage that my memory should be at. Take a look at the ss
  9. Sorry again - I didn't realize an AMD cpu might not show there. Try AMD Overdrive instead.
  10. I downloaded AMD Overdrive and it comes up with a error when starting " Cannot detect AMD-7 chipset" I have the times Set in the bios, but the voltage is the only thing I'm unsure about.
  11. That's pretty strange. Did you ever install the chipset drivers?

    Unfortunately, I'm not an AMD guy. If someone else doesn't come along soon, I'd suggest you start a new thread asking for help after getting an error running Prime95.
  12. ok Thanks for the Help!
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