My hp pavilion s3380 won't boot/black display

[syamieda]

Hello,
my pc hp won't boot... my keyboard n mouse also not detect at all...but only my cpu fan was running... any ideal? i cannot solve this problem... please help...

 

[clutchc]

Try changing the CMOS battery on the motherboard.

 

[syamieda]

Try changing the CMOS battery on the motherboard.

it's same.... anyone can solve??? please help...