Tuesday, March 04, 2014

KEYBOARD REPLACEMENT- HP Compaq Notebook nc4000 Series (User Repairable)


Prepare to replace the Keyboard:
Turn off the notebook.
Disconnect the AC adapter and all external devices.
Remove the battery pack by following these steps:
a. Turn the notebook bottom side up with the front facing forward.
b. Slide and hold the battery release latch [1] to the left. The rear edge of the battery pack releases from the notebook.
c. Lift the rear edge of the battery pack up and swing it forward [2].
d. Remove the battery pack.
LED switch cover removal
Close the notebook and turn it bottom side up with the rear panel facing forward.
Remove the two T8M2.0×8.0 screws that secure the LED switch cover to the notebook.
Turn the notebook topside up with the front facing forward.
Open the notebook as far as it will open.
Press down on the (esc) key 1 to reveal the notch 2 in the left side of the LED switch cover.
Insert a flat-bladed tool into the notch and lift the left side of the LED switch cover 3.
After the left side of the LED switch cover has disengaged from the notebook, swing the LED switch cover up and to the right.
Remove the LED switch cover.
Close the notebook and turn it bottom side up with the rear panel facing forward.
Remove the T8M2.0×8.0 screw that secures the keyboard to the notebook.

Turn the notebook topside up with the front facing forward.
Open the notebook as far as it will open.
Lift the rear edge of the keyboard 1.
Slide the keyboard toward the display 2 until the notches on the front edge of the keyboard clear the top cover.
Swing the front edge of the keyboard up and back 3 until it rests on the display.
Release the zero insertion force (ZIF) connector 1 to which the pointing stick cable is attached and disconnect the pointing stick cable 2 from the system board.
Release the ZIF connector 3 to which the keyboard cable is attached and disconnect the keyboard cable 4 from the system board.
Remove the keyboard.
Reverse the above procedure to install the keyboard.