Question about BenQ FP92W LCD Monitor

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Screen working and after 2 sec screen black

BENQ FP92W after 2 sec. screen is off, when pressed input it comes back but again after 2 sec. display comes off, like no signal but not any warning has been given (just black screen)

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On your power board you will have a faulty surface mount fet with 8 legs that controls the backlights.
There are 4 of these, but if any of them fail the protection circuit turns them all off.
Best best is to get it to a local technician for repair. It is not an easy task unless you have the right equipment.
Hope that helps. =)

Posted on Apr 09, 2008


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Displaying only 2 secs

Monitor STFC (Self Test Feature Check)
* Turn off the monitor
* Plug the monitor power cord directly into the wall socket to remove any surge protectors or APCs from the troubleshooting equation
* Unplug the monitor video cable from the back of the computer
* Turn on the monitor
* The floating dialog box should appear on screen against a black background. If the issue appears during the STFC, the monitor is defective. Get it replaced.

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This tends to be a power issue and monitor is hopefully under warranty and will need to be sent back. Otherwise it is pretty much done.

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It sounds like you have a power supply problem and the safety shutdown has kicked in, the system will need to be checked by a computer tech with an estimate in mind.

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Benq FP92W monitor. The screen has turned white, I've turned it on and off several times but keeps showing a fully white screen. Help?

This isn't an easy solution, my friend. Go to this website and read what so many others are saying about the same problem. When you ger to this webpage, go to the link for the white screen problem, it's the same one you're having.
I wish I could give you a simple solution, but there isn't one, sorry. These days it's usually cheaper to replace than fix, unless you get lucky.

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budged electrolytic capacitor nearby high voltage transformer. 220microcarad/25Volts. apply fresh solder and re-connect lamps.

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Try to install the OS once again.
If it turn up the same again then it may be the logical board problem.

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Reset back to factory defaults

To unlock the OSD

controls when the OSD is

preset to be locked, press

and hold the 'MENU'

button for 15 seconds to

enter the 'OSD Lock'

option and make


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Hi zippie, Based on your post/description, I am inclined to suspect the backlight which is actually a CCF a small fluorescent tube about 2mm diameter the width of your display either at the very top or bottom of the screen. At times it can also be the inverter circuitry that powers up the said tube. One way is to run your PC and display as if nothing is wrong giving it a minute or soto finished booting everything. If looking closely you will notice semblance of your desktop albeit very faint, very dark or using a flashlight provide illumination to the display at an angle and the display is there, then chances are it is the backlight. Otherwise, it can be the input circuitry. Of course you have to open the monitor up and replace the defective component, More often than not no soldering required. Hope this gives you an idea or two. Lots of luck and pls post again how things turn up. If

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