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I have the same problem, using LCD VA912b, almost 1 year old.
The power cord connect to wallet cord (not to the read of mainboard)
the power led sometimes blink, and i can not see any (the lcd is being black). the power led is flashing, on and off, on and off.....
I have to turn off the computer, turn off monitor power cord. wait about 20 minutes, then turn on again, it will work, but if I turn off monitor then turn on, or restart the computer. the power led will blink again :(
Can you help me?I have the same problem, using LCD VA912b, almost 1 year old.
The power cord connect to wallet cord (not to the read of mainboard)
the power led sometimes blink, and i can not see any (the lcd is being
black). the power led is flashing, on and off, on and off.....
I have to turn off the computer, turn off monitor power cord. wait
about 20 minutes, then turn on again, it will work, but if I turn off
monitor then turn on, or restart the computer. the power led will blink
again :(
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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
craigcorbin, Could be "switch-mode-power-supply"/CCFL "INVERTER" supply that is flakey or better still has a "thermal" problem. Thermal problems arise from temperature cycling of the parts on the circuit board that heat-up due to their need to dissapate energy in the form of heat, and then return to room temp when unit is turned off. Hot = expand, cold=contract After enough cycles occur on an already poorly soldered connection you will end up with a Thermally Intermittant connection which will only get worse due to oxidation of the now exposed RAW METALS to the surounding atmosphere. Sombody will need to open unit and inspect the board(s) for this type of fault. 12fixlouie
hi my lcd AL1916 acer monitor keeps going black or loosing signal after 2 or 3 sec. i press the moon on my keyboard 2 times it comes on then off again please help
I think you have the display shut off. the button on the bottom left will shut screen off. It will come on for a few seconds if you touch the screen, but will shut off again. just push the display button again and it should stay on.
Actually the common problem of viewsonic LCD monitor is bad electrolytic capacitor at primary, secondary & inverter area, if your lcd using power adaptor test the voltage out, use analog or digital tester range 50v dc, if the voltage out is accurate dont be sure to your adaptor working good, open it and find bad electrolytic capacitor inside. That is common problem of viewsonic LCD monitor could cause of display flashing then back to black after few seconds. Suspect inverter area lastly mainboard.
Press the [1] key & hold it for 10 seconds / till OSD Unlock appears on the screen. When OSD unlock appears on the screen , release [1 ] & press [1] or [2] key. This will unlock the OSD.
hi, first run the system in safe mode, if that works than u will have to look in for driver problems/settings, sometimes uninstalling the monitor & display driver then reinstalling it back will change the settings to default, try it, let me know
I have the same problem, using LCD VA912b, almost 1 year old.
The power cord connect to wallet cord (not to the read of mainboard)
the power led sometimes blink, and i can not see any (the lcd is being
black). the power led is flashing, on and off, on and off.....
I have to turn off the computer, turn off monitor power cord. wait
about 20 minutes, then turn on again, it will work, but if I turn off
monitor then turn on, or restart the computer. the power led will blink
again :(
Can you help me?
I have exactly the same problem
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