User Guide

5. 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, the blue cable
to the auxiliary connector on the card, the white and grey cable to the M1 connector on the card, and
the black and grey cable to the M2 connector on the card.
6. Reinstall the base cover assembly.
7. Connect the ac power adapter and all disconnected cables to the computer.
Keyboard
Prerequisite
Before you start, read Appendix A “Important safety information” on page 83 and print the following
instructions.
Replacement procedure
Notes:
• You might be instructed to slide the keyboard frame forward or backward in some of the following steps.
In this case, ensure that you do not press or hold the keys while sliding the keyboard frame. Otherwise,
the keyboard frame cannot be moved.
• Your keyboard might look different from the illustrations in this topic.
1. Disable the built-in battery. See “Disable Fast Startup and the built-in battery” on page 51.
2. Turn off the computer and disconnect the computer from ac power and all connected cables.
Chapter 7. CRU replacement 65