User Guide

6. Install a new wireless-WAN card by doing the following:

a. Align the contact edge of the new wireless-WAN card with the key in the slot. Then, carefully insert

the card into the slot at an angle of about 20 degrees

1 . Pivot the card downward 2 .

b. Install the screw to secure the wireless-WAN card in place

3 . Connect the antenna cables to the

card

4 . Ensure that you connect the orange cable to the main connector on the card, and the blue

cable to the auxiliary connector on the card.

7. Reinstall the base cover assembly.

8. Turn the computer over. Connect the ac power adapter and all disconnected cables to the computer.

M.2 solid-state drive

Prerequisite

Before you start, read Appendix A “Important safety information” on page 69 and print the following

instructions.

Attention: The M.2 solid-state drive is sensitive. Inappropriate handling might cause damage and

permanent loss of data.

When handling the M.2 solid-state drive, observe the following guidelines:

• Replace the M.2 solid-state drive only for upgrade or repair. The M.2 solid-state drive is not designed for

frequent changes or replacement.

• Before replacing the M.2 solid-state drive, make a backup copy of all the data that you want to keep.

• Do not apply pressure to the M.2 solid-state drive.

• Do not touch the contact edge or circuit board of the M.2 solid-state drive. Otherwise the M.2 solid-state

drive might get damaged.

• Do not make the M.2 solid-state drive subject to physical shocks or vibration. Put the M.2 solid-state drive

on a soft material, such as cloth, to absorb physical shocks.

Replacement procedure for the long M.2 solid-state drive

1. If you are going to replace a hybrid solid-state drive (with Intel Optane memory), disable the Intel Optane

memory by doing the following:

X390 Yoga User Guide