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The light should come on steady. Your monitor most likely has the typical failed capacitor problem. The Power Supply board in the monitor most likely has some capacitors that have failed, visible signs include swelling of the ends of the parts, but they can fail without showing any visible sgns. Replacement of the capacitors often restores operation.
We are seeing this same "issue" with this model regularly. If there is no screen and No led/lights, then the power supply has gone out.
It appears on that model there is an external power supply.
Google the model number of the Monitor for replacement parts.
Plug something into the same outlet and verify the outlet is good.
I have an ACER AL 1706 monitor that would not power up completely. After pushing the power button, only the yellow light would stay on indication a power up fault. After careful inspection of the power boards caps, there was visible swelling of the 47mF and 22mF radial caps on the top part of the caps where the tiny cannisters 4 edges are folded down flat. I replaced these caps( 6 on my board) because there is reaaly no way to actually test them and bought new ones from Radio Shack. Now my Acer monitor came back to life with no other problems. I recommened using replacement caps with same microfarad values, but if the voltage rating is not exact, it is o.k. to get the next higher voltage rated caps available and should work fine.
My name is Sydney, I am going to try to help you fix your problem. It seems your screen has a hadware problem, if you still have a warrant for your product i would advise you take the screen with you to your supplier to take a look. You can aswell contact your nearest acer dealer to fix the screen for you.
At your service
LCD panels use cold-cathode fluorescent bulbs to make the light necessary for them to show images. What you're describing is something I've seen in panels where the bulbs were dying or dead. it's also possible that the controller for the bulbs is also on the fritz.
Hi. I have no experience with an AL1711 but this sounds very much like the power supply problem that affects the AL1715.
If you understand electronics then you need to check the power supply for faulty components (there were two faulty capacitors in my AL1715). Replacements should cost about 10p each and however much time it takes.
Unfortunately if you're not into electronics then there's really not much you can do.
If you do take the back off then please post whether you can see any faulty components.
We had the same problem with the 17" we bought in Aug. Sent it back for repair. Acer sent it back without fixing the problem. Started doing it again in Nov. This time I called a supervisor and they sent me a new monitor. Well yesterday it started doing the same thing. You can fix it temp buy unplugging it and holding down the on-off switch for 30 seconds. Please let me know if you have a better fix.
Certain versions of the Acer AL1715 monitor had a problem with the VGA socket. Specifically, the plastic case around the socket was not wide enough. The plastic interfered with the plug and so the plug did not seat properly. I fixed several of these monitors by shaving off some of the plastic with a dremel mototool. A hand file would probably work as well. You have to remove the plastic back to do the job.