Troubleshoot laptop screens by checking the button on the laptop screen that could be stuck, plugging the laptop into an external monitor through a VGA connection, or restarting the computer to look for the manufacturer logo.
Determine whether laptop screen problems are from the hardware or the software with advice from a computer programmer in this free video on laptop computers.
Source:http://www.articlesfreedirectory.com/computersupport/computer-hardware-software-tips-how-to-troubleshoot-laptop-screens-2517.html
