Ok my monitor is about 1 years old and it just started turning on and off for no reason. You cant turn it off it switches on u see the BENQ sign the it turns off and repeats that. You cant see anything from the computer and it does this when it isnt even pluged into the computer can someone help please
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More than likely a manufacture defect. If it is not that old; I suggest contacting the manufacturer to get it replaced. Most LCD"s have 1 year warranty, and it's certainly, not weird to see 3 years.
This is called burn-in mode. Used to test the monitor at the factory.
To fix this, use the buttons under the front of the monitor,
There are six buttons. Let's number them 1 to 6 from the left.
Press 6 to display menu (at the bottom in Red will say Burn in mode on)
Press 4 or 5 until Recall is highlighted
Press 6 to select
Press 4 or 5 until Recall All is highlighted
Press 6 to select
Press 4 or 5 until Yes is highlighted
Press 6 to select
Press 3 to exit
This will reset all paramaters and also turn-off burn-in mode
If you want to reset some parameters to your preferences, press 6 again to bring up menu and
see you user guide to get explanations for the different settings.
I DID REPAIR A MONITOR WITH THE SAME PROBLEM. IT TURNED OUT, THAT ONE OF THE TWO HIGH TENSION GENERATORS FOR THE 2 LIGHTTUBES WAS BURNED OUT. BY REPLACING THE POWER TRANSISTORS AND THE 3 AMP. FUSE ON THE MAINBOARD THE MONITOR IS RUNNING AGAIN VERY WELL.
Try sending monitor back as most Benq monitors come with at least a two years silver warranty.
Benq are very helpful and their repairers are quick and polite. You will find their no.s on their website www.benq.com my monitor was experiencing the same and for $10 postage and a one week wait is repaired and working fine.
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