Wireless Wan Card And Wireless-Wan-Card Bracket (For Selected Models) - Lenovo ThinkPad P16s Gen 1 User Manual

5. Connect the ac power adapter and all disconnected cables to the computer.
Wireless WAN card and wireless-WAN-card bracket (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 47.
2. Turn off the computer and disconnect the computer from ac power and all connected cables.
3. Close the computer display and turn the computer over.
4. Remove the base cover assembly. See "Base cover assembly" on page 48.
Removal procedure
A Mylar film might cover the wireless WAN card. To access the wireless WAN card, open the film first.
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T14 Gen 3/P14s Gen 3/T16 Gen 1/P16s Gen 1 User Guide
and print the following instructions.