This document applies to HP desktop and notebook computers.
The computer does not turn on or Windows does not start correctly. Other problems might include:
-
Nothing happens when you press the power button.
-
Computer lights turn on, but the monitor remains blank.
-
Computer stops at the HP or Compaq logo screen.
-
Computer shows a black or blue screen with an error message.
-
An error message displays after Windows loads.
To resolve these problems, go to 
