Question about BenQ MP610 Multimedia Projector

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Center of the screen is darkenned and discolored

I dropped it when i was installing it, and now i have a dark (darkened and discolored) square right in the center.. now the lamp is not broken and everything is still operational

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Hi there

It sounds like you have a damaged Packlight Pipe Module.

Very cheap part to have replaced.

Easiest way to check is to switch on the unit and tilt it from side to side - if the darkened bits move , you can count on it that this is your problem.

Posted on Mar 25, 2008

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Posted on Jan 02, 2017

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Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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My screen darkener has disappeared....how do I get it back


Make sure you are online and the internet icon confirms the status.
Go to the Control Panel/Device Manager/Dispaly Adapter and right click the Mouse and click on Update Driver if that does not work uninstall the driver and power-off your Mac and switch back on. The OS should then reinstall the driver.

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Projector picture has a darkened quarter screen on a angle


Ok I guess you have an optical mirror chamber error sounds good doesnt it but can happen if projector has been knocked or dropped in the optical engine there is a chamber connected in between the main lamp and internal glass lens you may see it if you look inside the lamp assembly this very small chamber has four very small mirrors in it and is held in place usually by a metal plate bracket you may find one of the mirrors has moved or dropped this makes the refraction of light incorrect which will cause your dark shadow on your image screen

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All I get when powered on is a black square that is gridlike. No other controls work. All 5 batteries are new. How do I get it fixed. My location is Reseda California 91335


Try to lighten the screen reolution. Turn the calculator on, press the 2nd key. Then hold the down arrow key. This should lighten the screen. You can darken the screen also. The only difference is hold the up arrow key down until it's dark enough.

Jul 14, 2011 | Texas Instruments TI-83 Plus Calculator

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To whom it may concern, The screen is very dark. How can I fix it? Also, how can I change the brightness? thank you for your time!


To adjust the screen contrast (to lighten screen or to darken it)
  1. Press the [2nd] key and RELEASE it.
  2. Press and HOLD the UP Arrow to darken screen, or
  3. Press and HOLD the DOWN Arrow to lighten it.
Keep pressing the UP or Down arrows (whichever you need to press) until the screen contrast is adequate.

In your case, the screen is too dark, so you must press the DOWN arrow to lighten it.

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When the screen is dark there are lines that run back and forth across the screen which is only noticable when pitcure is dark immage.


the screen bias needs to be turned down-ehind the front cover which is behind the grille there is a small black square about 3 inch square 6 little knobs sticking out 3 say in small letters screen and 3 say focus, don't adjust the focus just the screen for the coresponding color that shows up when picture is dark.best way to do this is darken the room and put it on video input with no signal if lines are white slowly
adjust 1 color after the other counterclockwise untill
lines disappear if only 1 color shows then only adjust the knob with the matching color. this is a very fine adjustment, to much will make your auto focus stop working. check it after you are done

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My kid's calculator is not working; replaced new batteries including the lithium battery. yet, the calculator is not turning on.


After a battery replacement the screen contrast may become too dark or too light. I suspect that in your case the screen is too light. To darken it
Press [2nd] key and release it.
Press and HOLD [UpArrow] until screen darkens enough.

Jan 30, 2010 | Texas Instruments TI-84 Plus Silver...

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Won't power on even though i've installed new batteries. There is no corrosion on the battery terminals.


Hi,
Check that the terminals in the battery compartment are clean and shiny. Remove any powder left after battery leakage. Insert fresh batteries in calculator. Make sure you respect the polarity diagram. +-+- (Many malfunctions come from incorrectly placed batteries).

After replacing batteries, calculator is restored to defaults and screen display may be too loght or too dark

To adjust the screen: Darken or lighten display

To darken screen
Press [2nd] key and release it.
Press and hold [UpArrow] until screen is dark enough.

To lighten screen
Press [2nd] key and release it.
Press and hold [DownArrow] until screen is light enough.

Hope it helps.

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The auto-darken feature(monitor goes dark on dark


In your monitor panel you'll find 4 buttons. Press the menu button and get into Magic Bright. There you can choose the one that best suits you. You can even set to Dynamic contract where the monitor adjusts the brightness according to the elements on the screen

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Screen darkness


Just fixed mine.Remove the back of the TV on my model there in a small pwer supply turn the bottom of the two pots this will darken or lighten the screen. Fine tune with the settings on the remote

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