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When first started, the monitor screen is fine; however it dims shortly thereafter. Help

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Unfortunately this might be a hardware issue. My old HP used to do this, and then the company finally accepted it back for repairs.
What happens is there are bulbs/ backlights that keep the computer screen lit. After aging, or even possibly damage, the light might be burning out.
If you send it for repair they can easily have this fixed, and provide you with a new backlight.
Hope this helps, and best of luck! :)

Posted on Mar 17, 2011

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Monitor only works at start up. then I must use optional monitor. occasionaly monitor will work for a short time


You may need to change the resolution on the screen, in windows, you may find the "Display Options" under "Control Panel", usually this problems is caused by the computer having a hight resolution than the supported by the monitor, for your specific monitor the available resolutions are:
Support of video modes up to 1280 x 1024 at a 75 Hz refresh rate from the manual at:
http://h10032.www1.hp.com/ctg/Manual/c00264775.pdf
That means you have to chose a resolution lower than 1280 x 1024 and a frequency lower than 75 Hz. Anything higher than that on the resolution or frequency will cause the monitor to display a "Out of Sync" message and turn off shortly thereafter.
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VERY Dim screen after a drop


Have you tested it with an external monitor?

I would say you either have a damaged inverter board or screen baclight lamp. Usually the inverter board fails in one of the following ways:

1. When you turn on the laptop, the screen lights up for a short period of time and then goes dark. You still can see an image but it is very dark, almost invisible and definitely not usable. When you restart the laptop, the screen lights up and then goes dark again. The laptop works fine with an external monitor.
2. Your laptop turns on but the screen remains dark all the time. You still can see a very dim image outline. The laptop works fine with an external monitor.
3. The laptop screen works fine for hours or even days, but sometimes it goes very dark as it mentioned above. When you restart the laptop, the screen works fine again.

Inverter failure symptoms are very similar to backlight lamp failure symptoms and in most cases you cannot tell which one is causing the problem until you replace either the inverter board or the backlight lamp. From my personal experience, inverter boards fail more often than backlight lamps. If you have to guess, replace the inverter first.

Mar 24, 2010 | Sony VAIO VGN-NS190J/S Notebook PC

1 Answer

Monitor is dim


Sounds like your inverter is failing. The inverter takes the dc power from the battery and charger and converts to high voltage AC current for the backlight lamp inside the screen. When the inverter starts to fail, the display will sometimes blink, dim out over time, flash just get dark and stay that way.

Sep 28, 2009 | Toshiba Satellite A215-S7422 Notebook

1 Answer

Screen will lightup and shortly after startup it will turn dark


You have a lcd light that is in need of replacement. if you are handy with disassembly of the lcd you can replace it yourself you may have to purchase and equivlent lamp module or have it replaced by a professional at a charge.

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1 Answer

LCD dim.


If you have replaced the screen and the inverter, about the only thing left is the flexible cable from the monitor to the video card. I take it that the Fn+F8 makes no difference?

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2 Answers

Screen goes dark after few minutes


check your LCD inverter maybe there is loss connection or some parts damage from inverter.

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1 Answer

Tv powers up and the screen then goes black..still has sound thou


power pack capacitors are going bad, need to have then replaced.
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3 Answers

Monitor Randomly Turns Black


I have exactly the same problem with my Benq FP71E+ ..

What i found is a temp fix is this :

When monitor dims and goes black i turn it off , hit the bottom left side (near the BENQ logo) turn it on again and it works ..

This works every time for me . But after a while it switches off again , could be 5 minutes could be 5 hours . Its random

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