Your CPU too hot ? The computer turns off by itself ?
Here is a small tutorial on thermal paste, everything you need to know to put the grease and to reduce the temperature of your CPU
Materials needed :
Thermal grease, screwdriver and of course the part to be coated.
I. Checking temperaturesYou have to go in the BIOS. At startup "F2" or "Delete". Here the processor is at 92°c.
III. Application of the thermal greaseBefore putting the thermal grease, cleaned out the processor and radiator with a plastic scraper to remove the old grease then wiped with a slightly damp cloth (very little).