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Laptop screen brightness mild flicker will not stay bright

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Inverter circuit connector need to reconnect
or ccfl bulb not working properly change your inverter circuit

Posted on Feb 01, 2010

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Posted on Jan 02, 2017

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My laptop britness is not working properly


Is it flickering, or just having promblem adjusting the brightness? If is is flickering, it could be a loose wiring connection. If it is not adjusting brightness, check via using your FN keys, then try clicking the battery icon in your taskbar and adjust brightness through it. If nothing happens, it could be your screen inverter.

Jan 20, 2011 | Samsung R530 Notebook

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The LCD screen on my Gateway M-6317 is dim. How


Press and hold the 'FN' key and tap the key that has the picture of a sun and an up arrow (or some other similar picture that dictates brightness - there should be two different keys that affect brightness one to increase and the other to decrease). Once you have the brightness set to your liking quit tapping the 'brightness' key and release the 'fn' key

Sep 29, 2009 | Gateway MX6447 Notebook

2 Answers

Dell screen goes black , after 2 seconds but when low down the brightness it work good it not goes off , but it is very low brightness and difficult to read text some time ,


but when low down the brightness it work good it not goes off , but it is very low brightness and difficult to read text some time......WHAT?

Can you explain in a bit more detail please...I don't know what you mean by.........
'when low down the brightness it work good'?

But try holding down the FN key on your keyboard & tapping the 5fc1ca0.png Button that alters the brightness.

Sep 04, 2009 | Dell InspironTM 1501 Notebook

1 Answer

Dull picture on laptop but cursor is still bright


The screen brightness is automatically adjusted by your laptop's Power Management configuration in the Control Panel. Depending on your laptop's brand you might not only have the Windows power management, but also a proprietary power management application within the control panel or in your Start Menu programs usually listed under your computer's brand name. For example a program folder called "Toshiba" under Programs for a Toshiba laptop. Anyway, I would start there. Usually you can set up the screen brightness according to whether or your computer is plugged in or working on battery. Good luck! :)

May 22, 2009 | Toshiba Satellite A105-S4004 Notebook

1 Answer

My laptop will, once in a while (every couple months), have3 "issues" with its brightness/contrast. If I leave the brightness alone, it will turn most of the screen red. If I lighten the brightness AND the...


You could have a defective screen - a defective inverter or a CCFL lamp.
To determine if you have a LCD screen or video card problem, read this and follow the instructions.

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 or appear black.
  • 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.

May 14, 2009 | Gateway M320X Notebook

1 Answer

Pink screen


Not a motherboard issue. If the screen looks pink it means the backlight tube inside the screen ain't reaching full brightness (the tube has gone bad). If it flickers? Well... remember them good old florescent tubes and what happened when they go bad? Same thing.

You have a bad tube in your screen and ... hence, a defective screen.

Apr 14, 2009 | Motorola Mobility RAZR V3i Cellular Phone

1 Answer

Screen stays black


Startup while tapping the F8 key,this should open the startup options screen,Select start up in VGA mode,If that works,then you need to update the video drivers

Jan 07, 2009 | Toshiba Satellite L305D-S5895 Notebook

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