HP Compaq 6715b, Руководство по техническому обслуживанию и ремонту, Страница: 66 / 156

Use a non-conductive, flat-bladed tool to pry the RTC battery out of the socket.
Reverse this procedure to install the RTC battery. Be sure the RTC battery is installed with the “+” sign
facing up.
WWAN module
CAUTION: The WWAN module and WLAN module are not interchangeable.
Description Spare part number
EVDO WWAN module 399440-001
Vodafone HSPDA WWAN module 441772-001
Cingular HSPDA WWAN module 441773-001
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 Battery on page 41 ).
5
. Remove the memory/WLAN module compartment cover (see Expansion memory module
on page 49 ).
6
. Release the keyboard (see Keyboard on page 56 ).
60 Chapter
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Removal and replacement procedures