HP 6535b HP Compaq 6530b Notebook PC and HP Compaq 6535b Notebook PC - Mainten - Page 112

Position the computer with the front toward you., Remove the system board bracket

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When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board: ● RTC battery (see RTC battery on page 56) ● WLAN module (see WLAN module on page 59) ● Memory modules (see Expansion memory module on page 61 and Primary memory module on page 65) ● WWAN module (see WWAN module on page 66) ● Processor (see Processor on page 74) Remove the system board: 1. Position the computer with rear panel toward you. 2. Remove the four Phillips PM2.0×3.0 broad-head screws (1) and the two hex HM5.0×9.0 screw locks (2) that secure the system board bracket to the base enclosure. 3. Remove the system board bracket (3). 4. Position the computer with the front toward you. 5. Disconnect the Bluetooth module cable (1) and the modem module cable (2) from the system board. NOTE: Step 6 applies only to computer models not equipped with WWAN capability. 102 Chapter 4 Removal and replacement procedures

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When replacing the system board, be sure that the following components are removed from the defective
system board and installed on the replacement system board:
●
RTC battery (see
RTC battery
on page
56
)
●
WLAN module (see
WLAN module
on page
59
)
●
Memory modules (see
Expansion memory module
on page
61
and
Primary memory module
on page
65
)
●
WWAN module (see
WWAN module
on page
66
)
●
Processor (see
Processor
on page
74
)
Remove the system board:
1.
Position the computer with rear panel toward you.
2.
Remove the four Phillips PM2.0×3.0 broad-head screws
(1)
and the two hex HM5.0×9.0 screw
locks
(2)
that secure the system board bracket to the base enclosure.
3.
Remove the system board bracket
(3)
.
4.
Position the computer with the front toward you.
5.
Disconnect the Bluetooth module cable
(1)
and the modem module cable
(2)
from the system
board.
NOTE:
Step 6 applies only to computer models not equipped with WWAN capability.
102
Chapter 4
Removal and replacement procedures