First thing to do is to check the setting on your PC to make sure the power saivng is not set to turn off the monitor after 2 minutes. Second, try it on another PC. If the problem is still there and you are going to DIY repair, then please read below:
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://www.badcaps.net http://en.wikipedia.org/wiki/Capacitor_plague
Answers & Comments
First thing to do is to check the setting on your PC to make sure the power saivng is not set to turn off the monitor after 2 minutes. Second, try it on another PC. If the problem is still there and you are going to DIY repair, then please read below:
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://www.badcaps.net
http://en.wikipedia.org/wiki/Capacitor_plague