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How to solve dim screen laptop monitor problem

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You have a screen brighten key Up indicated by a sun emblem with a hole in the center. and a down brightness key indicated by a sun symbol. Mine is on the left arrow key and right error key. You hold down the Fn key and tap the bright up key or bright down key . I f this does not do it then your CRT/led screen is going bad because of the back light lamps. These lamps can be replaced, but it cost more than a LCD, which cost more than a new computer. Lets hope you can solve the problem with the Brightness Keys.

Posted on Apr 04, 2011

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Half of the monitor screen went dim


Faulty screen? Try an external monitor to prove it.

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Why does my computer screen go dim and how do I fix it?


Is it a Laptop? if it is check your power options.
There is a hidden file there that is for advanced users click on that and u will find a whole lot of options to choose from find were it says monitor to go dim after so many mins? check this to none. This should solve your problem.

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Mylaptop screen keeps dimming then going bright


I suspect the backlight power of your monitor. Try to find out if the dimming is indepented of the angle of the monitor (e.g. just the time that the screen dimms out open or close SLOWLY the screen). If that is correct there is a problem (cut) in the internal cable that gives power for backlight at your screen. Reply by post.

Stelios.

Feb 23, 2010 | Computers & Internet

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

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I have a Dell laptop D505. The laptop powers up but the screen display is very dim. I can't see the image on the monitor. I've tried to manually increase the color/brightness button and nothing changes. ...


Sounds like your inverter or your backlight is failing. The inverter is an easy repair, the backlight can be replaced but it involves taking the LCD panel apart, The backlight comes installed on new screens. I can include a service manual below and possibly a generic guide to backlight replacement....

http://support.dell.com/support/edocs/systems/latd505/sm/display.htm#1052500

http://www.laptoprepair101.com/laptop/2007/01/31/replace-screen-inverter-fix-backlight/

Sep 23, 2009 | Dell Latitude D505 Notebook

1 Answer

Monitor comes on very dim, I can't see


click your "fn" key and then press the brightness key on the keyboard (it will be a blue or green "sun")
If this does not work, plug an external monitor to the laptop, if the screen is good on the monitor, your LCD display panel is shot.

Mar 21, 2009 | Dell Inspiron 2200 Notebook

1 Answer

THE SCREEN OF MY LAPTOP (ASUS)TURNS PINK.Can anybody help me to solve this.


Defective CCFL backlight may has 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 the laptop and power it up, if you see a clear image on an external monitor, this means your video card is OK.

If you see a dim image or flicking image on the LCD screen it means you have a backlight problem.

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.

Mar 14, 2009 | Acer Aspire 5630 Notebook

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My back light on toshiba satellite 1415-s173 laptop


Replacing a backlight is better left to the experts of experts - it is very, very, very specialized. On these models, a dim screen can also be a dead inverter - I'd try replacing that first. If replacing the inverter doesn't solve it, then just replace the screen. Don't even think about replacing the tube yourself.

Sep 07, 2008 | Toshiba Satellite 15" Flat Panel LCD...

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