SOURCE: Blinking green light with no display
Have you tried connecting this monitor to another computer?
Have you tried resetting the BIOS? That should reset any problem the video driver for the monitor maybe facing.
SOURCE: My LG Flatron L1511S 15 in. Flat turned into Power Saving mode when I plug in serial cable!
if the monitor showing powersaving mode, monitor is ok. It must be your CPU complaint.
SOURCE: Benq FP71G LCD Monitor - Can't keep POWER ON / Button Problem?
I had the same problem and found that Q808, Q809 and Q805 had failed and which if left long enough can also cause PF801 to fail. I also replaced all of the electrolytic capacitors during the rebuild as it was only a few dollars to do so.
Although in my case Q815, Q816 and Q812 were fine I suspect that they may also fail in time.
Here are the parts which should be available at most electronic stores or online.
Q808 & Q809 - 2SC5707
Q805 - IRFU9024N
PF801 - 3 AMP PICO FUSE
SOURCE: Monitor goes blank , power light goes off.
Click start, then then control panel and click on the power management icon. When you see the screen, look at the power management "scheme" and pick the appropriate setting. I assume that what you are experiencing is what's known as "Power management" . In order to achieve an "Energy Star" rating, the computer must shut off various components to conserve power. If you don't want to have your monitor shut down, select never from the options in the Power Management screen. Thanks for using Fixya.com
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