HP 621 Compaq 320, 321, 420, 421, 620, 621 Notebook PCs and HP 420, 620 Notebo - Page 76

Remove the two Torx M2.5×6.0 screws, 3-in computers

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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 palm rest on 35.6-cm (14-in) or 33.8-cm (13.3-in) computers: 1. Position the computer upside down with the front toward you. 2. Remove the two Torx M2.5×6.0 screws (1) and one Philllips PM2.25×2.5 broadhead screw (2) that secure the palm rest to the computer. 66 Chapter 4 Removal and replacement procedures

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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 palm rest on
35.6-cm
(14-in) or
33.8-cm
(13.3-in) computers:
1.
Position the computer upside down with the front toward you.
2.
Remove the two Torx M2.5×6.0 screws
(1)
and one Philllips PM2.25×2.5 broadhead screw
(2)
that secure the palm rest to the computer.
66
Chapter 4
Removal and replacement procedures