Hello,
recently my computr shuts down while playing games.
the games run slow then the computer shuts down itself.but i can browse the net for hours without any problem.
my pc
xfx 630i
palit 9500gt
2gb ram
Its your CPU, Each CPU has a built in feature that monitors the temp when it reaches the point of burn out it will the pc down to save the CPU, Either get a better Cooler or get a quality thermal paste and apply correctly