Compaq 6720t HP Compaq 6720t Mobile Thin Cleint PC - Maintenance and Service G - Page 60

System board and system board frame, Flash drive see

Page 60 highlights

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 System board (includes RTC battery and replacement thermal material) System board frame (includes modem module cable) Spare part number 466424-001 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

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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