can't boot up my mbp

[solidcolour]

I left my mbp on the desk, after 1 hour when I back I can't wake it. I tried to get out the battery and put it back, tried to press the power button, hold it down,whatever I did the problem still there (black screen, no any sound).

btw, this is a late 2008 macbook pro, mac os x 10.5.6

anybody can help me? thanks.

 

[chscag]

Read the following Apple KB Article:

Troubleshooting a MacBook, MacBook Air or MacBook Pro that won't turn on

Regards.

 

[solidcolour]

Read the following Apple KB Article:

Troubleshooting a MacBook, MacBook Air or MacBook Pro that won't turn on

Regards.

Thanks,
I've tried all of them, it's still there nothing changed.

 

[chscag]

Still under warranty or Apple Care? Might be time to take it on in and let an Apple tech look at it. Make an appointment first.

Regards.