3
.
Disconnect the modem module cable
(3)
from the modem module.
4
.
Remove the modem module.
Reverse this procedure to install the modem module.
System board and system board frame
Description
Spare part number
System board (includes RTC battery and replacement thermal material)
466424-001
System board frame (includes modem module cable)
480894-001
Before removing the system board and system board frame, follow these steps:
1
.
Shut down the computer. If you are unsure whether the computer is off, turn the computer on, and then
shut it down through the operating system.
2
.
Disconnect all external devices connected to the computer.
3
.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4
.
Remove the battery (see
Battery on page 29
).
5
.
Remove the following components:
a
.
Flash drive (see
Flash drive on page 30
)
b
.
Optical drive (see
Optical drive on page 33
)
c
.
Keyboard (see
Keyboard on page 35
)
d
.
Switch cover (see
Switch cover on page 43
)
e
.
Display assembly (see
Display assembly on page 45
)
f
.
Top cover (see
Top cover on page 49
)
52 Chapter
4
Removal and replacement procedures
Summary of Contents for Compaq 6720t
Page 1: ...HP Compaq 6720t Mobile Thin Client Maintenance and Service Guide ...
Page 4: ...iv Safety warning notice ...
Page 8: ...viii ...
Page 114: ......
