Replacing The Bluetooth Module - Lenovo ThinkCentre M70z Hardware Maintenance Manual

Figure 29. Removing the WI-FI card
7. Insert the notched end of the new WI-FI card into the mini PCI Express slot. Press the new WI-FI
card firmly, and then pivot the WI-FI card to align the screw holes in the new WI-FI card with those
in the system board.
8. Install the two screws to secure the new WI-FI card to the system board.
9. Connect the two cables to the new WI-FI card.
10. Go to "Completing the parts replacement" on page 111.

Replacing the Bluetooth module

Attention
Do not open your computer or attempt any repair before reading and understanding the "Important safety
information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy
of the ThinkCentre Safety and Warranty Guide, go to:
http://www.lenovo.com/support
This section provides instructions on how to replace the Bluetooth module.
Note: The Bluetooth module is available only in some models.
To replace the Bluetooth module, 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 computer cover. See "Removing the computer cover" on page 71.
4. Locate the Bluetooth module in the computer. See "FRU locations" on page 67.
5. Note the Bluetooth module cable routing and disconnect the cable from the system board.
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Chapter 8 Replacing FRUs
95