i just drop my Dell 1420 and ask for some technicians , there is a display but there is no light, they said my laptop’s problem was LCD LIGHTS. can i just buy any 14.1 lcd lamp?

The backlight lamp is mounted inside the LCD screen. It’s very hard to replace the lamp even for an experienced technician. If the lamp is broken, you’ll have to replace the whole LCD screen.

I have an IBM Thinkpad. The screen is showing a big black “BLOB” that moves. You can read whats on the screen, if you can read around the “BLOB”. Any idea what’s wrong??

Strange failure. Maybe you got some kind of virus?
What if you boot in Safe Mode, the moving blob is still there?

I need just a little advice. I have an HP DV5 1011ea and the screen has always been dim on it’s maximum brightness setting compared to my other laptops. I think all DV5 1011ea laptops have this brightness problem and I was wondering if it could be fixed by replacing the backlight? It’s annoying me since I can barely use the laptop properly in daylight even inside the house. Any advice?

Have you checked settings in the power management software. Maybe the LCD screen brightness is not set to 100%.

In some laptops you can chance the LCD screen brightness in the BIOS settings. Not sure about your laptop, so go through the BIOS menu.

Have you tried increasing the LCD screen brightness using the keyboard keys? I believe for HP laptop you hold down the Fn key and at the same time press on F10 to increase the brightness.

I don’t think that this is backlight related problem. Sounds more like wrong settings for the LCD screen brightness.

Also, check the latest BIOS update. Maybe it’s a known issue and you can fix it by updating the BIOS.

I just finished replacing my backlight lamp only to discover it was the inverter after all… If you’ll excuse me I’m going to go slam my face against the wall for a while.

If you not sure which one is causing the problem, the inverter board or backlight lamp, go with the inverter replacement first.

CHANGING A CCFL IS A DIFFICULT REPAIR. I do not suggest it. Hardest part: keeping the order of all those sheets straight.

I agree with your.
I made this guide almost 2 years ago when one laptop screen would easily cost you $250-300.
These days you can buy some new LCD screens for $70-80. If you can afford that just replace the whole LCD screen.
Replacing the backlight lamp is more fun project.

As many have mentioned, this isn’t an easy task, make sure you have plenty of room to work, and all the tools you’ll need. For a few of the screws, you’ll need a phillips #000 and be careful not to strip them out.

I just finished replacing my backlight lamp only to discover it was the inverter after all… If you’ll excuse me I’m going to go slam my face against the wall for a while.