While you wait for answers, we may have found some information which could help you.
Click here for Working Running Vistasome keys on key brod dont work?
My HP ProBook Elite laptop is not turning on?
Graphics Card Problem HP Probook 4730s Windows 10?
Can dropped HP laptop be fixed?
Need sound advice/instruction on restoring startup files, virus!!?
Date and Time on my HP Compaq 6715s Lap Top?