Question about Acer 22" X223w LCD Monitor
There could be few possibilities.Unfortunately, as i am not there, i could only provide few details that would help you to diagnose the problem and take an appropriate action to resolve it :-
1.If there was something wrong with the graphic card, you would see atleast some Junk data (garbled image or something) on your monitor.
2. When the monitors goes off, the light would had gone "off" or changed color (if there is a sleep mode light). But it stays white and this shows that the monitor's main board has issues. (issue can be anything like some IC getting heated up or a loose connection)
1. Make sure that the power and data cord of your monitor is fixed tight. (behind desktop and behind monitor). My guess is you have already done this.
2. Use this monitor with some other computer and see if it works fine. If it does, than there is something wrong with the graphic card or its compatibility with your monitor. If it doesnt, than get it replaced.
Mostly this happens because of a bad Data or Power cable of monitor. So replace both the cables of Acer monitor and see if it works.
If it still doesn't work than its 100% a hardware problem on the circuit board and unless its in warranty, the repair will not be worth it.
Let me know,if needed further assistance.
Hope i helped you.
Thanks for using ' Fixya ' and have a nice day!!
Posted on Apr 01, 2011
Possible that the power shunting is due to weakness in the circuit and so the processor gets a faulty feedback.
The circuit in the main board must be checked with a multimeter or if you are equipped with a scope to trace the feedback loop back to the processor.
Weakness of capacitors in the power will not build up voltage and so when the circuit powers up there will be shortage of the +B which will result in tripping the power and continuing. this is one possibility.
The other cane be due to higher drain current in the drivers and power sections inthe main board.
Observe for capacitors that have leaked or bulged at the top. If so replace and check.
Finally check for dry soldering or poor joints in critical circuits that will prevent correct voltage and current to build up resulting in tripping.
use a good iron to touch up all suspected points.
Posted on Apr 01, 2011
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Posted on Jan 02, 2017
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