my hp compaq laptop monitor won't light up

Hewlett-packard Compaq presario r3220us...
March 12, 2011 at 12:08:27
Specs: Windows 2007
This is a compaq R332ous that was working fine and suddenly the monitor went black. The Compaq splash will appear when I turn it on but then the monitor goes black. I can hit the F10 key when the splash is on and the help will come on, but I don't know if that is the place to fix the problem.

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March 12, 2011 at 14:00:02
Your problem is common.

Try connecting an external monitor.

Laptop no video (or video problems), and battery, AC adapter, power jack T shooting.

See response 1:

DO NOT plug in or unplug a monitor's video cable into / from a video port while the computer is running. Doing so can damage the monitor's circuits and/or the video adapter's circuits.

Some laptops will display on an external monitor without you having to do anything.

If you get no video on an external monitor, some laptops have a key combo that you must press to toggle the display to external video only / built in display video only / sometimes both - see the Owner's or User's manual for the model.

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