The flashing power button is an indication that the power supply has failed. There are parts called capacitors that filter the output power and when they short out the power supply can't start up correctly os it tried over and over, this make the power light flash each time it tries to start up. The monitor is easy to repair if you can do a little soldering. Here is a link to a repair guide that will show you how to dis-assemble the unit and what to look for and replace to get it back going again. Te guide also has videos showing the steps.
http://www.ccl-la.com/blog/index.php/repairing-the-samsung-920n-920nw-monitors/
I hope this helps, if so please rate my solution.
BuddyMc
SOURCE: Backlight is acting like a bad flour. tube .. everthing else OK
Normaly the backlights have a life of around 40k hours of working.
If your monitor is 3-4 years ,the backlight tube/s could be defective.Your description seems to indicate tube aging.
It's possible to replace the tube but needs a good amount of technical skill.
Do write if you need more help,Please indicate make exact model no etc.
Samir
SOURCE: Screen goes black but still can see the desktop??
It sounds like you are losing the backlight....the backlight is what lights up the panel. The inverter takes the signal from the motherboard and sends it to the backlight. I would change both out. The inverter is usually a seperate component....the backlight is built into the frame of the LCD...it can be changed, and there is a guide for that but most LCDs come with a backlight built into them. Below is a guide for backlight replacement.....
http://www.laptoprepair101.com/laptop/2007/12/09/replace-laptop-backlight-ccfl-lamp/
SOURCE: Monitor is blank. Green power light is on steady.
Self test failed means Monitor is bad.
Check input settings, whether DVI mode is selected.
Dell Monitor has 3 year warranty by default, Contact Dell Techncial support
SOURCE: My Inspiron monitor suddenly failed.Green light is
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 DELL 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
SOURCE: I have an Acer lcd monitor AL1715sm and sudenly it
Here are the service manuals: http://elektrotanya.com/?q=showresult&megnev=ACER&megnev2=AL1715&kategoria=monitor&kat2=all http://en.wikipedia.org/wiki/Capacitor_plague
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, 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 ACER 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.
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
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