I'm not sure where the fault lies with this, for it could be either a driver or heat issue, or maybe something else. My video card is over a year old now, a Radeon HD4870, and has never given me trouble before. What's happening is that I'll come out of a YouTube video - say, exit full screen and...
catalyst
crash
driver
fan speed
full screen
gpu
graphics
heat
lock-up
monitor
performance
radeon
system
temperature
troubleshooting
vertical lines
video card
video issue
video playback
windows 7