Question about LG L1717S-BN 17" LCD Monitor
Since about two weeks ago my monitor power light started flashing when I turned the PC on, but the screen remained blank. Eventually, after about 3mins, I would get a blue Flatron logo, and then it would come on to the windows log-in screen. The other day this got worse, and went to the Flatron logo, then back to blinking, then the logo, several times, then it eventually came on. But now it's refusing to come on, I left it blinking for at least 6 hours. Ive tried un-plugging and re-plugging everything and pressing the power button on the monitor, but no success.
Is my monitor dead or is there a simple solution to this ?!
The monitor is probably on protection.
To start unplug monitor from power and from computer and test computer with different monitor to find out if it is monitor or computer fault.
If it is computer fault and no video signal , then test:
If it is monitor fault , then the monitor is on protection.
When on protection you keep having a flashing led on front of the monitor , and monitor turning off by itself after a while, that indicates a fault condition.
The flashing light indicates a diagnostic state called protection.
When the Monitor goes on protection there are only two possible causes.
1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.
2 The protection circuit detected a wrong voltage or a broken contact, identified an internal fault and kicked in , starting the flashing light.
If you are in situation one, then the monitor will reset just unplugging power cord for one or two hours,sometimes even minutes.
If you are in situation 2 , then there is an internal fault.
Common faults that can occur are a blown capacitor on power board, faulty inverter board, faulty input board, or a fault on LCD Digital Controller board.
Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.
Try moving the video cable, and if the cable is not built in, then also try a replacement cable.
If under warranty contact the manufacturer ringing the number on the user manual
If you want to repair at your own expenses, just locate any good qualified repairer.
Posted on May 22, 2009
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Posted on Jan 02, 2017
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