Wwan Module - HP Compaq 6715b Maintenance And Service Manual

Remove the RTC battery:
▲
Use a non-conductive, flat-bladed tool to pry the RTC battery out of the slot.
Reverse this procedure to install the RTC battery. Be sure the RTC battery is installed with the "+" sign
facing up.

WWAN module

CAUTION:
Description
EVDO WWAN module
Vodafone HSPDA WWAN module
Cingular HSPDA WWAN module
Before removing the WWAN 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
5. Remove the memory/WLAN module compartment cover (see
on page
6. Release the keyboard (see
72 Chapter 4 Removal and replacement procedures
The WWAN module and WLAN module are not interchangeable.
Battery on page
60).
Keyboard on page
52).
Expansion memory module
68).
Spare part number
399440-001
448672-002
448673-002