WWAN module
Description
HSPA EV-DO 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 accessory cover (see
Maintenance and Service Guide
"Battery" on page
4-7).
"Mass storage device" on page
Removal and replacement procedures
Spare part number
531993-001
4-9).
4–17