Help!! my friends having laptop troubles,.?

Packard bell 2 years old 40 GB. only 2 left hardrive.?
when switched on after Stopping every 2 - 3 minutes.. tried everthing. having to use mouse now. as when press front it switches itself off.? whats best thig to do. thanks for any help. ps fans working ok
Update: pps.
can you put down step by step
if you can thanks.
8 answers 8