We may have found other answers which could help you.
Click here for Restore Factory Settings Disc
Date and Time on my HP Compaq 6715s Lap Top?
Graphics Card Problem HP Probook 4730s Windows 10?
How can I quieten down the fan on my HP 4730s?
some keys on key brod dont work?
laptop will not turn on?
My HP ProBook Elite laptop is not turning on?