Expresscard Assembly - HP 6720s Maintenance And Service Manual

Remove the RTC battery from the socket on the system board.
2.
Reverse this procedure to install the RTC battery.

ExpressCard assembly

Description
ExpressCard assembly
Before removing the ExpressCard assembly, follow these steps:
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
1.
computer on, and then shut it down through the operating system.
Disconnect all external devices connected to the computer.
2.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
3.
then unplugging the AC adapter from the computer.
Remove the battery (see
4.
Remove the following components:
5.
Hard drive (see
a.
Optical drive (see
b.
Keyboard (see
c.
Switch cover (see
d.
Speaker (see
e.
Display lid switch module (see
f.
Display assembly (see
g.
Battery on page 37).
Hard drive on page
Optical drive on page
Keyboard on page 46)
Switch cover on page
Speaker on page 50)
Display lid switch module on page
Display assembly on page
38)
44)
48)
52)
Component replacement procedures
Spare part number
456607-001
51)
75