Question about BenQ FP71G 17" LCD Monitor

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Contrast decreases to Zero

Whenever PC is turned on, the contrast starts decreasing automatically and the Luminance screen showing Contrast remains on the screen. Even if one goes to the main menu of the LCD the selection of an option moves backwards automatically. On can exit from this screen by pressing the exit button on the LCD but the luminance screen showing contrast zero again reappears. LCD Model Benq FP71G

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  • iespublicida Mar 18, 2009

    SINCE TODAY MY LCD BENQ FP71G+ WAS AMAZING, BUT SUDDENLY THE LUMINANCE CONTROL WINDOW START IN THE MIDDLE OF THE SCREEN... AND NOW THE SCREEN IS WORKING AT VERY LOW CONTRAST...

  • pwpwpwpw Apr 21, 2009

    Same problem over here. The buttons on the screen don't work either, contrast decreases to zero automatically. Very annoying!

  • pwpwpwpw Apr 21, 2009

    addition to my earlier post:
    model: Benq T903

  • Anonymous May 10, 2009

    exactley the same

  • Anonymous May 11, 2009

    the contrast window opens by itself, the contrast decreases to zero and all other buttons are unusable

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Had the same problem recently with a Benq FP71G+. It was still under warranty so I called customer care and they sent someone who replaced the board inside that contained all the buttons. I saw that the board was very easy to remove. He just unplugged it, and plugged in the new one. And its a very small board so probably doesn't cost much in case your monitor's warranty period has expired.

Posted on Jan 19, 2010

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You can get the board for $10 here:
http://www.shopjimmy.com/key-control-led-assy-48-l8203-a00-from-benq-q7s3.htm

If the link is down just google 48.L8203.A00

Posted on Jul 09, 2010

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