HP 620 Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 79

Lay the palm rest on a protected surface upside-down., Remove the TouchPad board

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3. Turn the computer over, rotate the palm rest up (1) and slide the palm rest to the right (2) to release it from the computer. 4. Release the ZIF connector (1) to which the TouchPad cable is connected, and then disconnect the cable (2) from the system board. 5. Remove the palm rest. Remove the TouchPad board: 1. Lay the palm rest on a protected surface upside-down. 2. Release the ZIF connector (1) and disconnect the cable (2 from the socket. Component replacement procedures 71

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3.
Turn the computer over, rotate the palm rest up
(1)
and slide the palm rest to the right
(2)
to
release it from the computer.
4.
Release the ZIF connector
(1)
to which the TouchPad cable is connected, and then disconnect the
cable
(2)
from the system board.
5.
Remove the palm rest.
Remove the TouchPad board:
1.
Lay the palm rest on a protected surface upside-down.
2.
Release the ZIF connector
(1)
and disconnect the cable
(2
from the socket.
Component replacement procedures
71