Replacing The Wi-Fi Card - Lenovo ThinkCentre E63z Hardware Maintenance Manual

11. Connect the external cables and the ac power adapter to the computer.
12. Turn on the computer and all attached devices.
Note: When you turn on the computer for the first time after replacing the coin-cell battery, an error
message might be displayed. This is normal after replacing the coin-cell battery.
13. Use the Setup Utility program to set the date, time, and any passwords. See "Using the Setup Utility
program" on page 59.

Replacing the Wi-Fi card

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Read this first: Important safety information" on page 1.
Note: The Wi-Fi card is available only on some models.
This section provides instructions on how to replace the Wi-Fi card.
To replace the Wi-Fi card, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Place a soft, clean towel or cloth on the desk or other flat surface. Hold the sides of your computer and
gently lay it down so that the screen is against the surface and the cover is facing up.
3. Remove the frame stand. See "Removing and installing the frame stand" on page 101.
4. Remove the computer cover. See "Removing the computer cover" on page 104.
5. Remove the system-board shield. See "Removing and installing the system-board shield" on page 108.
6. Disconnect the two Wi-Fi antenna cables from the Wi-Fi card. Then, remove the screw that secures
the Wi-Fi card to the system board so that the Wi-Fi card pops up.
Figure 27. Disconnecting cables and releasing the Wi-Fi card
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ThinkCentre E63z Hardware Maintenance Manual