HP Dv4-1124nr HP Pavilion dv4 Entertainment PC - Maintenance and Service Guide - Page 120

WLAN module see, Memory modules see

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6. Release the system board (3) by sliding it to the right at an angle until the connectors on the left side of the system board disengage from the base enclosure. 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: ● Fan and heat sink assembly (see Fan and heat sink on page 117) ● Processor (see Processor on page 121) ● RTC battery (see RTC battery on page 69) ● Memory modules (see Memory module on page 67) ● WLAN module (see WLAN module on page 62) ● Modem module (see Modem module on page 102) Reverse the preceding procedure to install the system board. 112 Chapter 4 Removal and replacement procedures

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6.
Release the system board
(3)
by sliding it to the right at an angle until the connectors on the left
side of the system board disengage from the base enclosure.
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:
●
Fan and heat sink assembly (see
Fan and heat sink
on page
117
)
●
Processor (see
Processor
on page
121
)
●
RTC battery (see
RTC battery
on page
69
)
●
Memory modules (see
Memory module
on page
67
)
●
WLAN module (see
WLAN module
on page
62
)
●
Modem module (see
Modem module
on page
102
)
Reverse the preceding procedure to install the system board.
112
Chapter 4
Removal and replacement procedures