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You should try this monitor and the video cable with another PC to see if it works OK, or try this laptop with another monitor to see which one is not working, I have a feeling something has changed in the laptop setup.
Please post back what you find.
You don't need to worry much about this I too had the same problem with my 5-8 year old monitor acer al1706. I was worried and tried to find the answer on web I really didn't know what need to be done. Then what I did is just restarted my system many times and the problem solved.
Note: don't restart your computer very frequently just wait until it's booted.
First place to check will be the power supply section. Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, poor solder jopints, 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. http://en.wikipedia.org/wiki/Capacitor_plague http://www.badcaps.net
cyndommett, If not into repair work, and can afford trade for new, GET NEW ONE if current AL1706 is 4, 5, 6, years old. To understand your monitor's problem, spend an hour or two reading my and other lcd monitor tech's FIXYA profile's and testimonials. Then and only then will you have a handle on what options are at your disposal and the reason why your unit has FAILED. Bye for now. 12fixlouie
You are more likely to have bad capacitors problem in the power supply, inverter circuits. I would look for bad caps first. Look at some of the sample here: http://s807.photobucket.com/home/budm/allalbums
you have a bad power supply, it maybe fixed. you have bad back lights in the screen, usally too expensive to replace with the cost of labor. you have a bad invertor, this will start the back lights. you need to open the rear cover and look at the power supply to see if you can find a burned componet or exploded componet. if you see a bad , burned componet a local electronics repair shop usually can fix it.
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