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Display is dark adjustment does not affect the darkness

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  • Computers & ... Master
  • 4,837 Answers

Plug in an external monitor using a vga cable and if you can see your windows on the monitor then it could be what they call the inverter and that you will find behind the laptop screen it sits along the bottom this you will need to replace.

Posted on Dec 21, 2016

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Posted on Jan 02, 2017

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kman203
  • 99 Answers

SOURCE: Display is very dark

Dim screen is usually caused by a bad inverter board especially if you get video to external monitor. Usually cost $100-$200 depending on laptop.

Hope this helps!

Posted on Jun 11, 2008

Geekman
  • 32281 Answers

SOURCE: Dark monitor screen with hidden display in the dark.

You most likely have a defective CCFL backlight, it may have the following symptom:

  • Screen flashs on red/pink and off.
  • Picture stays on in red and slowly be come normal.
  • Picture flickering with dim display.
  • Picture flickering on and off.
All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp

Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

Posted on Apr 07, 2009

rajdeepdutta
  • 2517 Answers

SOURCE: dark display screen..how to adjust?

Hi, there is a key in your laptop which is called FN key. Press FN+ UP/Down Arrow for adjusting brightness.
Thanks & waiting for your feedback.

Posted on Feb 13, 2010

siawolf
  • 749 Answers

SOURCE: display to dark

in most cases there is a function key combination on your keyboard for adjusting the monitor brightness. look for the function key (f) and another key with a "*+-" and press them at the same time to increase or decrease the brightness.

also in your advanced display property settings in the control panel there is a driver level brightness and gamma adjustment that can be used.

Posted on Apr 01, 2010

SOURCE: hp laptop dark display

Shine a flashlight on the dark screen to see if you barelysee the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can beany kind of monitor even the old big fat crt monitors as long as it has a vgacable to connect to your computer's vga port. If so that proves yourvideo card is ok. The video will show on most systems when you rebootwithout you having to do anything. Some systems will require you to hit the FN(Function key) + F1 thru F12. Hold down the FN key then hit the correctkey for displaying on the monitor (F1 thru F12). The correct key willnormally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works,then your screen is bad. If you see no icons by shinning the flash lightand nothing shows on the external monitor, then most likely your video card isbad.

Posted on May 06, 2012

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  • Contrast adjusts the difference in brightness between light and dark areas of an image.
  • Sharpness helps define edges and the smoothness of texture in an image. Use this tool to make a blurred image appear more focused.
Adjusting the image Follow the steps below to make adjustments:
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    • Click Save As to save the modified image with a different name.

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