HP 355 G2 Maintenance And Service Manual page 95

3.
Disconnect all external devices from the computer.
4.
Remove the Battery (see
a.
Service cover (see
b.
Hard drive (see
c.
Optical drive (see
d. Keyboard (see
e. Top cover (see
f. Speakers (see
NOTE:
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:
WLAN module (see
●
Solid-state drive (see
●
Memory modules (see
●
RTC battery (see RTC battery on page
●
Heat sink (see Heat sink on page
●
Fan (see Fan on page
●
Remove the system board:
1. Release the ground tape (1) that secures the display panel cable to the system board.
2. Release the ZIF connector (2) to which the display panel cable is attached, and then disconnect
the display panel cable from the system board.
Battery on page 52), and then remove the following components:
Service cover on page
Hard drive on page 54)
Optical drive on page
Keyboard on page 64)
Top cover on page 67)
Speakers on page 76)
WLAN module on page
Solid-state drive on page
Memory module on page
91)
87)
90)
53)
62)
57)
59)
60)
Component replacement procedures
85