HP (Hewlett-Packard) 6720t Laptop User Manual


 
Modem module
NOTE: The modem module spare part kit does not include a modem module cable. The modem module
cable is included with the system board frame, spare part number 480894-001.
Description Spare part number
Modem module 441074-001
Before removing the modem module, 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.
Optical drive (see
Optical drive on page 33)
b.
Keyboard (see
Keyboard on page 35)
c.
Switch cover (see
Switch cover on page 43)
d.
Display assembly (see
Display assembly on page 45)
e.
Top cover (see
Top cover on page 49)
Remove the modem module:
1. Remove the two Phillips PM2.5×4.0 screws (1) that secure the modem module to the system board.
2. Lift the modem module (2) straight up to disconnect it from the system board
Component replacement procedures 51