HP (Hewlett-Packard) 6720R Laptop User Manual


 
4.
Remove the battery (see
Battery on page 39).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 40)
b.
Optical drive (see
Optical drive on page 46)
c.
Keyboard (see
Keyboard on page 50)
d.
Switch cover (see
Switch cover on page 47)
e.
Speaker (see
Speaker on page 53)
f.
Display lid switch module (see
Display lid switch module on page 54)
g.
Display assembly (see
Display assembly on page 55)
h.
Top cover (see
Top cover on page 59)
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 module (see
Memory module on page 45)
WLAN module (see
WLAN module on page 42)
Processor (see
Processor on page 73)
ExpressCard assembly (see
ExpressCard assembly on page 78)
Remove the system board:
1. Remove the RJ-11 jack (1) from the clip built into the base enclosure and remove the RJ-11 jack cable
from the hook (2) built into the base enclosure.
2. Disconnect the fan cable (3) and the Bluetooth module cable (4) from the system board.
66 Chapter 4 Removal and replacement procedures