Timeout causes graphics card to fail.
Occasionally, when on a web page with pictures/video/flash, the screen will "freeze" and have some random colored pixels appear or sometimes it will just go black. Sometimes when this happens the whole system will remain locked. Other times it will...
black screen
dell
display issues
drivers
error recovery
graphics card
m4500
nvidia
quadro fx
ram
screen freeze
system lock
timeout
video playback
web browsing
windows 7