Lenovo ThinkCentre M920z, User Manual And Hardware Maintenance Manual

Page: 52 / 70

Figure 80. Removing the card reader
Figure 81. Installing the card reader
7. Connect the new card reader cable to the system board.
8. Reinstall the removed parts. To complete the replacement, see “Completing the parts replacement” on
page 58.
Replacing the system board
Attention: Do not open your computer or attempt any repairs before reading the Important Product
Information Guide .
1. Remove the computer stand. See “Replacing the computer stand” on page 16.
2. Remove the computer cover. See “Removing the computer cover” on page 18.
3. Remove the side I/O bezel. See “Replacing the side I/O bezel” on page 24.
4. Remove the system board shield. See “Replacing the system board shield” on page 25.
5. Remove the VESA mount bracket. See “Replacing the VESA mount bracket” on page 26.
6. Remove the heat sink. See “Replacing the heat sink” on page 32.
7. Remove the microprocessor. See “Replacing the microprocessor” on page 33.
8. Remove the Wi-Fi card. See “Replacing the Wi-Fi card” on page 38.
48
M920z User Guide and Hardware Maintenance Manual