Having problems with your Dell PC Laptops ?

Black screen- laptop only works with external monitor

\015 I have a Dell XPS M1210. My screen is completely black but is running. I can see the everything on an external monitor but not the computer screen. Usually when I go into the NVIDIA control panel I can select a laptop display. The only options I have now is the Matrox display software and HDTV. I'm not sure why I have the TV option. Anyone have any ideas on how to fix this?- Thanks!\015

Answers :

The fault could be a faulty CCFL lamp or inverter.
To determine if you have a LCD screen, inverter or video card problem, read this and follow these 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 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 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.
\015\012
\015\012If your Dell has a S-video output it could connect to a TV or a video device, which allows for a TV option.
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