13-inch MacBook Pro. Fourth generation.
LCD works but no backlight.
Remove the bottom cover.
Separate the display assembly.
Check the backlight flex cable.
Backlight cable is worn and damaged.
The Air Slice screen disassembly tool.
In the plastic box, 10 glass removal strips.
4 types of discs. Total of 8 discs.
Remove the rubber gasket using tweezers.
Remove all rubber along the edges.
Dip a glass removal strip in some alcohol.
Insert the strip below the logo baffle.
Move it up and down.
Use more alcohol if it gets hard.
Unscrew and remove spring strip.
Select a disc size that suits to your hand.
Just a touch of alcohol.
Start from the right side of the screen.
Disc must be inserted below the metal brace.
Rotate the disc back and forth along the edge.
When it gets hard, use more alcohol.
Slow down around corners.
Camera area has more glue. Slow down here too.
Slowly remove any remaining glue.
When that’s done, remove the LCD.
Apply a protective film on the LCD.
Cut off excess film.
Protect the backlight with a film too.
Take another glass removal strip.
A dash of alcohol.
Remove the light guide plate.
It is made of glass.
Remove backlight films and light guide plate.
Protect the polarizer with a film.
Tear off the polarizer.
Unfasten the camera cable.
Remove the LED strip light.
Install the new LED backlight cable.
Reinstall the polarizer.
Remove its protective film.
Reinstall light guide plate and backlight films.
Seat rubber gasket back into groove.
Apply double-sided tape to 3 sides. Use Black 3M tape.
Cut openings through tape.
Remove protective film from backlight.
Reconnect backlight cable and LCD then test display.
Lift LCD to check for dust on backlight.
Tear backing off double-sided tapes.
Put display screws back.
Apply double-sided tape to the logo baffle.
Install the logo baffle.
Screw display assembly back on.
And the bottom cover.
Power on.
The display is normal again.