Laptop keep shutting down?


Toshiba Satellite A200 (PSAE6)

PSAE6E-06U030DU, Laptop, I
ntel Core 2 Duo, 
Intel Core 2 Duo T5250, 
2 GB, 
15.4 inch, 
1280x800, 
ATI Mobility Radeon HD 2600, 
160 GB, 
win 7

Might be the CPU overheating, that is usually one of the more common causes. Also might be a bad motherboard along side

cpu i reaplyed thermal compound olso did the gpu.

the cpu is about 60 degree. 

laptop stays on with bios so no hardware failure?