Compaq CQ50-139WM HP G50 Notebook PC and Compaq Presario CQ50 Notebook PC - Ma - Page 84

When replacing the system board, be sure that the following components are removed from the defective

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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: ● Memory modules (see Memory module on page 47) ● RTC battery (see RTC battery on page 46) ● WLAN module (see WLAN module on page 49) ● Fan/heat sink assembly (see Fan/heat sink assembly on page 79) ● Processor (see Processor on page 82) Remove the system board: 1. Disconnect the following cables from the system board: (1) USB board cable (2) Bluetooth module cable (3) RJ-11 connector cable (4) Audio board cable 2. Remove the power connector cable (5) from the clip built into the base enclosure. 76 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:
●
Memory modules (see
Memory module
on page
47
)
●
RTC battery (see
RTC battery
on page
46
)
●
WLAN module (see
WLAN module
on page
49
)
●
Fan/heat sink assembly (see
Fan/heat sink assembly
on page
79
)
●
Processor (see
Processor
on page
82
)
Remove the system board:
1.
Disconnect the following cables from the system board:
(1)
USB board cable
(2)
Bluetooth module cable
(3)
RJ-11 connector cable
(4)
Audio board cable
2.
Remove the power connector cable
(5)
from the clip built into the base enclosure.
76
Chapter 4
Removal and replacement procedures