The following tutorial explains how you can replace the CCFL backlight bulb in a laptop LCD screen. As an example the author takes apart a HP Pavilion zt1000 laptop.
Listed below is a typical laptop disassembly. This is most likely not the exact model you will be servicing, however it is indicative of what you will find in most models. They are all relatively the same and we hope this tutorial will give you a basic idea on the scope of backlight replacement.
The disassembly and LCD screen removal steps will be the same for many different laptop models.
Before you attempt replacing the CCFL bulb, I would recommend testing your laptop with another working inverter board. It’s possible that your laptop backlight is not working because of failed inverter board.
UPDATE: Here’s another backlight lamp replacement guide that could be useful for all DIY-ers.