Question about Computers & Internet
You could have a defective screen - a defective inverter or a CCFL lamp, follow this to determine the fault.
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 Apr 20, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
Apr 13, 2013 | Dell Inspiron 1525 Laptop
If you see no icons by shinning a flash light and the
external monitor works, then your screen is bad. If you see no icons by
shinning the flash light and nothing shows on the external monitor, then most
likely your video card is bad.
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