HP EliteBook 8770w Mobile Workstation Maintenance and Service Guide

2. Gently flex the band on the base enclosure next to the speaker assembly, and remove the
speaker assembly (2).
Reverse this procedure to install the speaker assembly.
Modem module
NOTE: The modem module spare part kit does not include a modem module cable. The modem
module cable is included in the Cable Kit, spare part number 652545-001. See
Modem module cable
on page 100 for information on replacing the modem module cable.
Description Spare part number
56K V.92 1data/fax modem 628824-001
Before removing the modem module, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, 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 51).
5. Remove the service access cover (see
Service access cover on page 52).
Component replacement procedures 97