Replacing The Card Reader - Lenovo ThinkCentre M73p Hardware Maintenance Manual

6. Remove the screw that secures the front audio and USB assembly bracket to the chassis to remove
the bracket from the chassis.
Figure 15. Removing the screw that secures the front audio and USB assembly to the chassis
7. Remove the two screws that secure the front audio and USB assembly to its bracket. Then, remove the
failing front audio and USB assembly from the bracket.
8. Install a new front audio and USB assembly into the bracket. Then, install the two screws to secure
the assembly to the bracket.
9. Install the front audio and USB assembly bracket into the chassis and align the screw hole in the
bracket with the corresponding hole in the chassis.
10. Install the screw to secure the bracket to the chassis.
11. Reconnect the front audio and USB assembly cables to the front audio connector and the front USB
connector on the system board. See "Parts on the system board" on page 34.
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 126.

Replacing the card reader

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.
To replace the front audio and USB assembly, do the following:
1. Remove any media from the drives and turn off all connected devices and the computer. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to the
computer.
2. Remove the computer cover. See "Removing the computer cover" on page 90.
3. Remove the front bezel. See "Replacing the front bezel" on page 90.
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ThinkCentre M73p Hardware Maintenance Manual