In this guide I show how to replace LCD screen on HP Pavilion dv4 laptop.
HP Pavilion dv4 comes with two different types of screens installed:
1. LCD with CCFL backlight (requires inverter).
2. LCD with LED backlight.
In this guide I’ll be replacing the one with CCFL backlihgt.
Also you can use this guide for replacing LED LCDs but they don’t have inverter boards so you’ll have to skip steps 8 and 9.
Before you start make sure the computer is turned off.
Remove the battery.
Remove the screw cover located in the lower left corner of the display.
Remove one screw securing the front bezel on the left side.
Remove the screw cover located in the lower right corner of the display.
Remove one screw securing the bezel on the right side.
Separate the top side of the bezel from the display cover.
Continue removing the bezel.
When the top side of the bezel separated from the display cover, move to the lower part.
Lift up one side of the bezel with a small screwdriver.
Work slowly. There are hidden latches securing the bezel. Try not to break all of them. 🙂
Remove the bezel.
As I mentioned before, this HP Pavilion dv4 has a CCFL screen which requires an inverter board.
The inverter mounted on the lower part of the display assembly.
There are a few plastic tabs securing the inverter board.
Lift up the inverter board and disconnect cables on both sides of the inverter.
Remove the inverter.
Remove two screws securing the LCD assembly on the top.
Loosen (do not removed) three screw securing the left hinge.
Loosen (do not removed) three screw securing the right hinge.
Now you should be able to separate the LCD assembly from the display cover just enough to access screws on both sides.
Remove four screws from the right mounting bracket.
Remove four more screws from the left mounting bracket.
Carefully separate the LCD assembly from the back cover.
The web camera module still attached and has to be disconnected.
The web camera attached to the screen by two sticky aluminum strips.
Disconnect the web camera cable on the left side.
Remove the web camera module.
Place the screen face down on the keyboard.
The back side is covered with aluminum foil shielding.
Lift up the shielding so you can access the video cable.
Remove sticky tape securing the connection and unplug the video cable.
Now you can remove the screen.
Don’t forget that this laptop comes with two different screen types: CCFL backlit LCD and LED backlit LCD.
Make sure the find the correct type of screen for your laptop.
For the base disassembly please read my previous HP Pavilion dv4 guide.