Wireless Wan Card (For Selected Models) - Lenovo 21EM001UCA User Manual

Wireless WAN card (for selected models)

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
Attention: Do not touch the contact edge of the wireless WAN card. Otherwise, the wireless WAN card
might get damaged.
For access, do the following:
1. Disable the built-in battery. See "Disable Fast Startup and the built-in battery" on page 41.
2. Turn off the computer and disconnect the computer from ac power and all connected cables.
3. Close the computer display.
4. Remove the nano-SIM-card tray if your computer comes with one. See "Connect to a cellular network
(for selected models)" on page 9.
5. Turn the computer over.
6. Remove the base cover assembly. See "Base cover assembly" on page 45.
Removal procedure
Installation procedure
Plug the orange cable into the
M
connector and the blue cable into the
and print the following instructions.
D=G
connector.
Chapter 6
. 47
CRU replacement