I just fixed my for less then 1 minute. Here was the problem, when turn on the PC with the monitor connected. The screen appear like normal for about 2 seconds then shut off black but the GREEN power LED stay on, if i press the power off and turn it back on the screen act the same thing.
Here how to fix it, turn off the PC, unplug the monitor power cable then plug it back. The power LED will stay amber. Hold down both brights minus - and plus + same time, turn on the PC, keep hold the - and + buttons press the power button turn on the monitor.
You will see the screen back on, just hold for about 10 more seconds till you see the screen seem to stay on fine then realse them. That's it how i fixed my.....GOOD LUCK
When it have this kind of error is a problem of the powerboard.
Anyway you must open it and look at the all capacitors and if are them inflated, if them are inflated must change them.
But can be a problem with inverters... control the transistors - MOSFET on the powerboard.
Good luck!
Start your pc in safe mode or try with another pc in low screen resolution like 800*600 to see if the problem occures of high resolution settings first.
Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
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I have already tried to change the resolution and it has no effect on the problem.
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