Compaq 321 Compaq 320, 321, 420, 421, 620, 621 Notebook PCs and HP 420, 620 No - Page 77

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 67

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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
67