Lenovo ThinkCentre M92z Hardware Maintenance Manual - ThinkCentre M92z (type 3 - Page 110

Replacing the card reader, The card reader is available only in some models.

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3. Remove the computer cover. See "Removing the computer cover" on page 83. 4. Remove the rear I/O assembly. See "Removing and reinstalling the rear I/O assembly" on page 85. 5. Locate the Bluetooth module. See "Locating major FRUs and CRUs (for models with the 20-inch display)" on page 73 or "Locating major FRUs and CRUs (for models with the 23-inch display)" on page 76. 6. Note the Bluetooth module cable routing and disconnect the cable from the system board. 7. Carefully release the Bluetooth module and lift the Bluetooth module out of the computer. Figure 35. Removing the Bluetooth module 8. Position the new Bluetooth module into the computer front bezel and then press the new Bluetooth module downward until it is secured into place. 9. Connect the new Bluetooth module cable to the system board. See "Locating parts on the system board" on page 79. 10. Reinstall the rear I/O assembly. See "Removing and reinstalling the rear I/O assembly" on page 85. 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 127. Replacing the card reader Attention: Do not open your computer or attempt any repair before reading and understanding "Important Safety Information" on page 1. This section provides instructions on how to replace the card reader. Note: The card reader is available only in some models. To replace the card reader, 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 83. 106 ThinkCentre Hardware Maintenance Manual

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3. Remove the computer cover. See “Removing the computer cover” on page 83.
4. Remove the rear I/O assembly. See “Removing and reinstalling the rear I/O assembly” on page 85.
5. Locate the Bluetooth module. See “Locating major FRUs and CRUs (for models with the 20-inch
display)” on page 73 or “Locating major FRUs and CRUs (for models with the 23-inch display)” on
page 76.
6. Note the Bluetooth module cable routing and disconnect the cable from the system board.
7. Carefully release the Bluetooth module and lift the Bluetooth module out of the computer.
Figure 35. Removing the Bluetooth module
8. Position the new Bluetooth module into the computer front bezel and then press the new Bluetooth
module downward until it is secured into place.
9. Connect the new Bluetooth module cable to the system board. See “Locating parts on the system
board” on page 79.
10. Reinstall the rear I/O assembly. See “Removing and reinstalling the rear I/O assembly” on page 85.
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 127.
Replacing the card reader
Attention:
Do not open your computer or attempt any repair before reading and understanding “Important Safety Information”
on page 1.
This section provides instructions on how to replace the card reader.
Note:
The card reader is available only in some models.
To replace the card reader, 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 83.
106
ThinkCentre Hardware Maintenance Manual