Question about BenQ FP731 17" LCD Monitor

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I have a Benq Q9C4 monitor and when I press the power button on the front, it lights for a second and then goes out. Nothing shows on the screen, (It remains black), and no heat comes from the vents, so obviously nothing is working internally that creates heat. Do you have any ideas?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Q7T4 monitor

I have the same trouble,with the Benq Q7t4 power, but can you tell me how I can get it apart, I have taken all the screws out but can't seem to dismantle it.

many thks colin

Posted on Jun 30, 2008

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  • 5 Answers

SOURCE: BenQ FP767 17" Problem: Monitor wont turn on

Check four 5707, two 9204, and one bel 3A slow blow fuse. Also re-solder all cap and transformer.It's quiet common on benq and Dell(benq OEM) 17 LCD. For detail google "benq 5707", sure you can found. Good luck

Posted on Jul 19, 2008

  • 1 Answer

SOURCE: BenQ FP731 17" LCD Monitor Problem

Had the compete dark screen problem. Green/amber power light was coming on and off as expected but no image would appear on the screen.

Found PF751 to be open.

Thnaks for the help people.

Posted on Oct 08, 2008

freetek
  • 5568 Answers

SOURCE: BenQ FP91G+ 19" LCD Monitor black screen

Possibly either the backlight lamp or its associated power supply has failed. Power buttons (mostly LEDs) have constant availability of low voltage (for some other circuits too) otherwise they wouldn't 'wake up' on command from a computer as some do.
The blackout could also be due to a failed main power supply so the incoming video is no longer being processed. 

Posted on Nov 01, 2008

  • 1 Answer

SOURCE: Benq FP71G monitor screen displays momentarity on

check your power supply and power cable and check your monitor cable if its not damaged..or try your monitor to another computer..

Posted on Jan 19, 2010

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