I've been using a Nvidia Geforce 6800GT in my pc, ever since they were cutting-edge and when I installed it, even though I hooked it up to my psu, I knew the card was only just getting enough power (recommended power is 350w, my psu is only 305w). As a result, it's always run pretty hot, but it never gave me any serious problems. Until a few weeks ago. I started getting artifacts on my bootup screens and sometimes power to the monitor would cut, and I'd have to use the reset button. This became more and more frequent unitl now it's nearly a given that it'll happen when I (try to) start up my pc. Finally, after what I think was a random loss of total power, my pc rebooted with a message from the graphics card which went something along the lines of "The nvidia card is not getting enough power and has rebooted with lower settings to reduce power consumption" or something to that effect. My question is: why now? Has my power input suddenly been reduced even further, or do you think the graphics card may have been slowly damaged by use and abuse? Is there any point in trying to fix this as is or do you think replacements are necessary? I should probably add that I opened up the pc, took out the graphics card, de-dusted it, checked all the connections and put it back in. It booted up for me this time.... Any suggestions?