Weird screen-pixelation and crash

G

Guest

Guest
Weird periodic screen-pixelation and crash after I upgrade a friends oldish computer with new CPU, Mobo, memory, DVD-drive, and screen.

Error
http://timbrandt.dk/screen-error.jpg

New components
- BenQ 24" LCD G2450HM
- Intel Core i3-2120
- ASUS P8H61-M PRO
- Corsair XMS3 DDR3 1333MHz 2x4GB CL9
- DVD-RW drive (S-ATA)

Old components
- mATX case with PSU (300W)
- 320GB HDD (older, but I can't remember the brand, but it has S-ATA)

Notes
I sent the CPU, Mobo, and memory back to the store, and they tested it for a few days and found no errors. Sometimes it takes more than a few days for the error to appear, other times it happens several times a day. I tested with a different monitor, but that didn't change anything. I have run several stress-tests, burn-in tests, and GPU-benchmarks, and that didn't make it crash. Can it be the PSU that is the cause of it? Or is it more likely that it's the CPU or Mobo?
 
G

Guest

Guest

No I actually don't have a graphics card that I can test it with. I have thought about suggesting that he get a HD5450 or something cheap, but I want to be as sure as I can before recommending any purchases :)
 

humphreybot

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Jan 20, 2011
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looks to me that the resolution is set at something incompatible with the monitor or graphics card. if you concentrate you will be able to set the resolution to something basic like 800x600 and then go from there
 
G

Guest

Guest
The resolution is actually unchanged at 1920x1080, but the real problem is that it happens suddenly and from time to time, and then the computer crashes. He needs a computer that doesn't crash several times a day lol. So what's the best bet?
- Something wrong with the PSU?
- Something wrong with the CPU/Mobo?
- Something wrong with the CPU/Mobo that an external graphics-card would fix?
- Something else?
 

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