HP Pavilion 13-a100 Pavilion x360 Convertible PC Maintenance and Service Guide - Page 52

Flex the left side of the bottom cover, When replacing the system board

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When replacing the system board, be sure that the heat sink (see Heat sink on page 47) and the memory modules (see Memory module on page 49) are removed from the defective system board and installed on the replacement system board. Remove the system board: 1. Release the ZIF connector (1) to which the power button board cable is attached, and then disconnect the power button board cable from the system board. 2. Release the ZIF connector (2) to which the hard drive cable is attached, and then disconnect the hard drive cable from the system board. 3. Disconnect the power connector cable (3) from the system board. 4. Remove the six Phillips PM2.4×5.7 screws (4) that secure the system board to the bottom cover. 5. Flex the left side of the bottom cover (1) until the heat sink has clearance for release. 6. Lift the left side of the heat sink (2) and system board until it rests at an angle. 7. Remove the heat sink (3) and system board by sliding them up and to the left at an angle. 46 Chapter 5 Removal and replacement procedures

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When replacing the system board, be sure that the heat sink (see
Heat sink
on page
47
) and the memory
modules (see
Memory module
on page
49
) are removed from the defective system board and installed on
the replacement system board.
Remove the system board:
1.
Release the ZIF connector
(1)
to which the power button board cable is attached, and then disconnect
the power button board cable from the system board.
2.
Release the ZIF connector
(2)
to which the hard drive cable is attached, and then disconnect the hard
drive cable from the system board.
3.
Disconnect the power connector cable
(3)
from the system board.
4.
Remove the six Phillips PM2.4×5.7 screws
(4)
that secure the system board to the bottom cover.
5.
Flex the left side of the bottom cover
(1)
until the heat sink has clearance for release.
6.
Lift the left side of the heat sink
(2)
and system board until it rests at an angle.
7.
Remove the heat sink
(3)
and system board by sliding them up and to the left at an angle.
46
Chapter 5
Removal and replacement procedures