Hello, My laptop screen is very dark. I can hardly see things, because I accidentually dim the screen and forgot that My Right Aarow key on the labtop wasn't working. And I need to press FN+Right Arrow key to make brighter again. So I help on that? any macro? Keys. software will let you reset screens brightness. The brightness on that Video Card software doesn't do anything. I think it was the backlight or something. Any Help will be great. Thankx, there are brightness control in winvista, but i'm using winxp. I'm already using the ac power. I:m sure that it was FN+ RIGHT ARROW key I done that before
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Re: Labtop Brightness Problem
Plug in a usb keyboard, use the FN key on your laptop keyboard and the curser key on the usb keyboard, problem solved :) you can also use your on-screen keyboard in all programmes, accessories, stystem tools
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If it's running on battery power it will dim. Right click on the desktop and choose Display or Personalize. Choose Screen Saver next and then "Change power settings". From there, you can choose screen brightness for running on battery power or wall outlet.
It could be a couple of things. The first is that screen brightness automatically dims when you go on battery, which is to save power. The second is that the brightness setting got changed inadvertently.
There are two function keys at the top of your keyboard that control screen brightness...one turns it up, the other down (they generally have a small circle with rays coming out...one circle is empty, the other filled...sort of like a sun and a dark sun). Hold down the Fn key and press one or the other of those function keys and see if that makes a difference in your screen brightness.
If that doesn't help, you may have a faulty LCD screen.
You may have a defective CCFL backlight, it may have the following symptom: Screen flashes on and off or displays reddish pink hue. Picture stays on in red and slowly be come normal. Picture flickering with dim display or appear black. Picture flickers 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 replace the CCFL lamp. To determine if the video card or the LCD is faulty, connect an external monitor to your laptop and power the monitor up first then the laptop, 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. It could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out, this is the most likely case. The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills. Check out LCD Parts for service, parts, and DIY info Use this link to their WEB site: - www.lcdparts.net
If its running on batteries the screen brightness will dim quite a bit. If on AC adapter it should be full brightness, but this is adjustable in either case. With the computer up and running, press and hold down the Fn key and push the up arrow to make it brighter and the down arrow to make it dimer.
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.
If you are unable to change the contrast with the 'fn' key and the brightness controls, usually represented in the top row of keys as a sun icons, one brightens, one dims. You may have a bad brightness/contrast inverter in your display. It's a small circuit board in the display that controls the brightness. They do fail. You can find them for most models but depending on your technical ability, they can be a little tricky to change.
hi, u have to plug in the external monitor in a switched off mode, when powered on, the system will automatically detect the monitor and u will see the display, if there is no display even on the external monitor then u will have to check the laptop.. let me know