Hello,
This type of issues is caused by parts called capacitors that have failed and are keeping the power supply from starting up correctly. You can rebuild the power supply board by replacing the bad capacitors and this will bring the monitor back to full working order. Here is a link to information showing what parts need to be replaced with pictures and parts list.
http://www.ccl-la.com/catalog/product_info.php?cPath=21_31&products_id=194
I hope this helps you.
BuddyMc
SOURCE: Flashing green LED on my Hanns-G HX191D
Common problems on monitors are due to capacitors in the power supply/inverter circuits failed, you need to open it up and look inside for caps with bulging top/seal first and post back what you see so we can guide you further, see failed monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums
SOURCE: Flashing green LED on my Hanns-G HX191D
Try it on another PC fIrst.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net
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