Wwan Module - HP EliteBook 8540p Maintenance And Service Manual

WWAN module

CAUTION:
NOTE: Ericsson modules are only available in EMEA on certain computers.
Description
HP un2420 Broadband Module (WWAN)
HP hs2320 HSPA Mobile Broadband Module
HSPA F3607 WWAN minicard 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 SIM (see
Remove the WWAN module:
1. Loosen the captive Phillips PM2.0×5.0 captive screw (1) that secures the WWAN cover to the
computer.
62 Chapter 4 Removal and replacement procedures
The WWAN module and the WLAN module are not interchangeable.
Battery on page
SIM on page
47).
48).
Spare part number
531993-001
574248-001
574249-001