[Technician0608]

I can't boot up my HP laptop computer even with a known good power supply, what do I do?

 

[joeten]

Hi and welcome to TSF do you see any lights when attempting to boot up or is there no signs of life you might try troubleshooting using the steps here http://www.techsupportforum.com/forums/f108/black-screen-issues-and-troubleshooting-498132.html