Question about Acer AL1706AB LCD Monitor

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The power light is flashing but there is no picture on the monitor and you can not shut of the flashing power light. All I have is a black screen and a flashing yellow power light that can not be shut of without unplugging the monitor.

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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, 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 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
Capacitors kit: http://lcdalternatives.auctivacommerce.com/

Posted on Aug 08, 2010

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My monitor is flashing on and off. The screen is


Check for poor solder joint oat the AC inlet, common problem due to poor design to support the AC inlet connector, see pictures here: http://s807.photobucket.com/albums/yy352/budm/Dell%20E153FPB/

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1 Answer

Power light and screen keeps flashing on and off. No picture just a black screen.


unplug from pc, turn on monitor. if there is a 'no signal' or any image displayed on the screen then the problem is not the monitor..

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Try to unplug the monitor and totally shut down your PC. Wait 10 seconds and plug your monitor back in. Make sure the power is off on your monitor. Turn your PC on then turn your monitor on.

If you still don't get a picture and the light keeps flashing the monitor will need to go in for service. If it's no longer in warranty its best to just purchase a new monitor (will cost almost as much as a new one to fix)

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Yes, It sounds like the backlight inverter circuit is shutting down. No inverter power, no backlight. On some monitors the inverter circuit will shot circuit the power power supply which makes the power light flash on some it just kills the backlight. You can usually check with a flashlight. Hold the flashlight pointed at the screen and see if you can see any of the icons or background picture. If you can then it is the backlight circuit or backlight tubes, usually the circuit.

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My dell 1905FP power button flashes green and will not turn off, the screen is black.


Hello,

This is a common indication of a failure in the power supply. There are parts called capacitors that are used in the filter section of the power supply, when they go out the power supply can't properly turn on so you get no picture and a flashing power light. Here is a picture of the power supply board with the problem filter capacitors circled in yellow and below the picture in a link to a repair guide with details dis-assemble and repair instruction along with parts list for the Dell 1905FP and 1907FP models.


9_24_2012_11_00_25_pm.jpg

http://www.ccl-la.com/blog/index.php/repairing-a-dell-1905fp-1907fp-lcd-monitor/

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This is probably a back light problem. Take a bright flashlight and while the monitor is on, point it at the LCD and try different angles, etc. If you can see an image, it is the back light, probably the back light voltage converter unit in the lcd. It could also be the back light bulbs.

If you don't see an image with the flash light, then it could be the main logic board.

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This sounds as if you are using the hibernate feature in windows reboot it and reset the power options to hibernate never check the vid connection as well

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There is probably a bad capacitor within the monitor that will not allow the picture to "hold" in the on configuration. This will need to be replaced. You can send it back to Phillips, or 17" monitors are pretty cheap these days. I would suggest a Samsung or BenQ. They both carry 3yr warranties.

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1 Answer

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The flash light test only works with lcd monitor as they have back lights. Double check the connections again, also, if you can borrow a monitor try it on your pc, it may be your graphics driver needs to be uninstalled and re-installed, but you will need a monitor to see.

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