System Board And System Board Frame - HP Compaq 6720t Maintenance And Service Manual

Disconnect the modem module cable (3) from the modem module.
3.
Remove the modem module.
4.
Reverse this procedure to install the modem module.

System board and system board frame

Description
System board (includes RTC battery and replacement thermal material)
System board frame (includes modem module cable)
Before removing the system board and system board frame, follow these steps:
Shut down the computer. If you are unsure whether the computer is off, turn the computer on, and then
1.
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.
Flash drive (see
a.
Optical drive (see
b.
Keyboard (see
c.
Switch cover (see
d.
Display assembly (see
e.
Top cover (see
f.
52 Chapter 4 Removal and replacement procedures
Battery on page 29).
Flash drive on page 30)
Optical drive on page
Keyboard on page 35)
Switch cover on page
Display assembly on page
Top cover on page 49)
33)
43)
45)
Spare part number
466424-001
480894-001