my studio xps 1645 while gaming heats up at 10 mins and then it starts
lagging until it completely shuts down.
conf.: win7 64bit
intel core i7q720
ati mobility radeon hd 565v
Clear the dust accumulation from the heatsink, and verify that the fan is operating properly (Dell diagnostics for the latter, F12 at powerup).
Fan is working properly on diagnostics and it is clean
Replace the thermal pads/compound between the heatsink and the CPU and GPU.