You need to verify to find out if it is the monitor is bad or the PC is not sending the video signal to the monitor. Try another monitor with the PC, if you still have the problem then you need to fix the PC, if it works OK then it is the monitor problem.
Answers & Comments
You need to verify to find out if it is the monitor is bad or the PC is not sending the video signal to the monitor. Try another monitor with the PC, if you still have the problem then you need to fix the PC, if it works OK then it is the monitor problem.
Basic LCD monitor troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague