HP DV4-2153 Maintenance And Service Manual page 117

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
●
Processor (see Processor on page
●
RTC battery (see
●
Memory modules (see
●
WLAN module (see
●
Modem module (see
Reverse the preceding procedure to install the system board.
Fan and heat sink on page
118)
RTC battery on page 69)
Memory module on page
WLAN module on page
Modem module on page
114)
67)
62)
99)
Component replacement procedures 109