Compaq 400 320 321 420 421 620 and 621 Notebook PC and 420 and 620 Notebook PC - Page 111

the extender to the base enclosure., Remove the system board on

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Remove the system board on a 39.6-cm (15.6-in) computer: 1. Position the computer with the front toward you. 2. Release the audio ZIF connector (1) and disconnect the cable (2) from the left edge of the system board. 3. Remove the two Phillips M2.0×3.0 screws (3) that secure the system board to the base enclosure. 4. Remove the optical drive extender by first removing the Phillips PM2.0×3.0 screw (1) that secures the extender to the base enclosure. 5. Lift the system board slightly and then pull the extender straight out (2) from the system board. 6. Remove the hard drive extender by first removing the Phillips PM2.0×3.0 screw (1) that secures the extender to the base enclosure. Component replacement procedures 103

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Remove the system board on a
39.6-cm
(15.6-in) computer:
1.
Position the computer with the front toward you.
2.
Release the audio ZIF connector
(1)
and disconnect the cable
(2)
from the left edge of the system
board.
3.
Remove the two Phillips M2.0×3.0 screws
(3)
that secure the system board to the base enclosure.
4.
Remove the optical drive extender by first removing the Phillips PM2.0×3.0 screw
(1)
that secures
the extender to the base enclosure.
5.
Lift the system board slightly and then pull the extender straight out
(2)
from the system board.
6.
Remove the hard drive extender by first removing the Phillips PM2.0×3.0 screw
(1)
that secures
the extender to the base enclosure.
Component replacement procedures
103