Having problems with your Toshiba Satellite 4090XDVD Notebook ?

Dim display on Toshiba Satellite 4090XDVD notebook

\015 I've got an old Toshiba Satellite 4090XDVD notebook. Still works fine but screen is very dim. Is it possible to brighten display? I heard about re-calibrating the display but having difficulty getting help on this.RegardsJohn WhitePS: Got the " (PAS409U-T2DW8) PC..." part of my product name from your input form.\015

Answers :

The backlight CCFL lamp provides the lighting for the LCD screen. If you have already adjusted the brightness to the max. setting and it is still dim, it means the CCFL lamp is is nearly worn out.\015\012 \015\012To determine if you have a LCD screen or video card problem, read this and follow the instructions. \015\012Defective 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. \015\012Connect 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. \015\012Dim 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. \015\012The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills. \015\012Check out www.lcdparts.net for parts, repair service and DIY info.
Repair Help & Product Troubleshooting for Toshiba Satellite 4090XDVD Notebook

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