Question about Panasonic Toughbook 28 Notebook
My toughbook must have a transreflective screen because I can see my screen when sunlight is lighting it up. Indoors, however, the colors are dull--blue is teal, red is pink etc. When I use it indoors it is plugged in with the correct voltage adapter. I have tested it with an external monitor and the colors are perfect on that monitor, but not on the toughbook. What can I do to have the colors just as bright indoors as outdoors? This is not under warranty, so "Customer Service" is not an option. Thanks.
You most likely have a defective screen - a defective inverter or a CCFL lamp or simply the video cable needs reseating. After reseating the video cable and the problem is still there then :-
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:
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 Jun 02, 2009
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Posted on Jan 02, 2017
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