hello friends, i brought a new graphic card and installed it in my PC. everything went fine for 3 days, i have played all the high end games without any problem but after 3 or 4 days...the monitor started going into standby mode and some times it shows some gibberish colors on the screen. Below are my PC specifications. LG 17" CRT monitor Processor : Intel Dual core 2.88 GHz. MOBO : Intel D102GGC2. ram : 2 Gb DDR2 OS : WINDOWS XP SP3 Graphic card : NVIDIA GT 440 - 1 gB (DDR3) Purchased in September 2011. I changed the screen resolution from least to max and tried in each instance but with no luck. I removed the side cover of my cabinet but this did not make a difference. Formatted the system and installed a new os but that did not help either. I checked the temparature using Everest software and it showed around 39-40 C always. Does any one have any inputs on this..