computer wont power up.

[dc5]

my friend lended me her computer to fix. it was working fine earlier and then the computer wouldnt power up for some reason. i'm trying to fix it as i am typing. what could be the possibilities that a comptuer wouldn't power up.

 

[User5]

Specs..?

Quality power supply?

 

[dc5]

it's a hp pavilion 8756C 850mhz p3. 128mb sdram. 30gb hdd.

 

[dc5]

just as i expected. the power supply is fried. i had used my power supply from another computer and it worked.