Wireless Wan Card (For Selected Models Of 300W Gen 3 Only) - Lenovo 100w Gen 3 User Manual

For access, do the following:
1. Disable the built-in battery. See "Disable Fast Startup and the built-in battery" on page 25.
2. Turn off the computer and disconnect the computer from ac power and all connected cables.
3. Close the computer display and turn over the computer.
Removal procedure
Installation procedure
Troubleshooting
If the computer does not start up after you reinstall the base cover assembly, disconnect the ac power
adapter and then reconnect it to the computer.

Wireless WAN card (for selected models of 300w Gen 3 only)

The following information is only for the computer with user-installable modules. Ensure that you use only a
Lenovo-authorized wireless module specifically tested for this computer model. Otherwise, the computer will
generate an error-code beep sequence when you turn on the computer.
Prerequisite
Before you start, read
Generic Safety and Compliance Notices
and print the following instructions.
Chapter 5
. 27
CRU replacement