Wireless Wan Card (For Selected Models Of 300W Yoga Gen 4 Only) - Lenovo 100w Gen 4 User Manual

Installation procedure

Wireless WAN card (for selected models of 300w Yoga Gen 4 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
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 27.
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 32.
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100w Gen 4/300w Yoga Gen 4/500w Yoga Gen 4 User Guide
and print the following instructions.