Removing And Installing The Control-Button Board - Lenovo ThinkCentre E63z Hardware Maintenance Manual

9. Install the screw to secure the Wi-Fi card to the system board. Then, connect the two Wi-Fi antenna
cables to the Wi-Fi card.
Figure 30. Securing the Wi-Fi card and connecting cables
10. Install the system-board shield. See "Removing and installing the system-board shield" on page 108.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 129.

Removing and installing the control-button board

This section provides instructions on how to remove and install the control-button board.
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.
CAUTION:
Turn off the computer and wait three to five minutes to let the computer cool before removing the
computer cover.
To remove and install the control-button board, 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 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. Record the routing of the control-button-board cable, and then disconnect the cable from the system
board.
6. Slightly press the edge of the control-button board as shown to release it from the latches
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