faulty ps3 (easy fix) bargain ?

ps3 slimline 160 gb. plays dvd, games, blu rays perfect only thing is the button that u press to turn it on is faulty it comes on for about 5 seconds then goes off. ive been told its a easy fix but havnt got the time. comes with box. please note this is just the ps3 in the box does not comes with the remote. 07564087023