Question about HP Compaq dx2250 Microtower - Get 3 desktops for the price of 2 until 123107
Hi I bought hp pavilion dv9000 17' laptop around 18 months back. It was all fine till last month, now i have frequent issue with screen as it goes blank all of sudden. It becomes normal after i switch of the system for about 1 hr or so.
You could have a defective screen - a defective inverter or a CCFL lamp.
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 May 12, 2009
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Posted on Jan 02, 2017
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