Unplug your computer before opening the case. ...
Consider other options first. ...
Remove the small CPU fan plug from the motherboard. ...
Remove the CPU cooling fan. ...
Release the CPU. ...
Take care not to drop the processor or pull it off if it's stuck. ...
Clean out the heat sink. ...
Carefully wipe off any residual thermal paste.
Oh okay, i guess ill have to buy some more thermal paste, where should i get it?