GTX 275 Display Corruption

Hi, I have a following problem
A couple of days ago I was playing a game called A.V.A and suddenly the sceen turned into black. I tried switching the monitor(display) on/off, but it did not help. I even tried restaring the computer several times, although the computer itself turned on normally there were still no image(picture). After reconnecting monitor power cord my computer worked fine again.
After that incident two days later when I was chatting on Windows Live Messenger suddenly green and purple horizontal lines appeared on screen plus some elements from my destktop wallpaper had a red dotted edges. Then I also tried switching the display on and off, but it did not help. Those graphic artifacts were there about five minutes and then they suddenly disappeared.
Graphics card temperature at idle is 48C and at full-load maximum temperature is 93C. I have cleaned computer regularly after every 3 months and those temperatures have been like that since I bought that graphics card.

What is causing this problem? GPU or monitor/display? I hope someone could give me advice.

Computer:
CPU: AMD Phenom II x6 1055T 2,8GHz @ 3,5GHz
MOBO: Gigabyte 770T-UD3P
CPU cooler: Zalman 7500 AlCu-LED
RAM: 2x2 GB Apacer DDR3 1333Mhz
GPU: Nvidia GeForce GTX275 896MB
HDD1: 320GB Seagate Barracuda SATA II 7200RPM 32MB
HDD2: 1TB Western Digital Caviar Green WD10EARS SATA II 5400rpm 64MB
PSU: 550W Chieftec
2xDVD-RW
Windows 7 Home Premium 64bit
Display: LG Flatron E2250V 22,5"LED
3 answers Last reply
More about display corruption
  1. Still need help with that problem.
  2. I need to find solution as soon as possible, because warranty won`t last forever. Maybe someone could help me or give advice?
  3. RMA it now , its probably srewed up , if u can , get a new one
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