Wireless WAN card (for selected models)

The following information is only for the computer with user-installable modules.

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.

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.

  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 bottom cover. See Bottom cover.

  5. Remove the keyboard. See Keyboard.

  6. Remove the service bracket. See Service bracket.

Removal procedure

Note: A Mylar film might cover the wireless WAN card. To access the wireless WAN card, peel off the film first.

Illustration of showing how to remove Wireless WAN card

Parent topic: Replace a CRU

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