Lenovo ThinkCentre M91p (English) User Guide - Page 74

Replacing the system fan assembly

Page 74 highlights

10. Install the screw to secure the card reader bracket to the chassis. Figure 44. Installing the screw that secures the card reader 11. Pivot the optical drive bay upward and reconnect the card reader cable to one of the USB connectors on the system board. See "Locating parts on the system board" on page 12. 12. Reinstall the front bezel. See "Removing and reinstalling the front bezel" on page 30. 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 69. Replacing the system fan assembly Attention: Do not open your computer or attempt any repair before reading and understanding the "Important safety information" on page vii. This section provides instructions on how to replace the system fan assembly. To replace the system fan assembly, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Open the computer cover. See "Opening the computer cover" on page 30. 3. Remove the hard disk drive. See "Replacing the hard disk drive" on page 50. 4. Locate the system fan assembly. See "Locating components" on page 11. 60 ThinkCentre User Guide

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10. Install the screw to secure the card reader bracket to the chassis.
Figure 44. Installing the screw that secures the card reader
11. Pivot the optical drive bay upward and reconnect the card reader cable to one of the USB connectors
on the system board. See “Locating parts on the system board” on page 12.
12. Reinstall the front bezel. See “Removing and reinstalling the front bezel” on page 30.
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 69.
Replacing the system fan assembly
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
on page vii.
This section provides instructions on how to replace the system fan assembly.
To replace the system fan assembly, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Open the computer cover. See “Opening the computer cover” on page 30.
3. Remove the hard disk drive. See “Replacing the hard disk drive” on page 50.
4. Locate the system fan assembly. See “Locating components” on page 11.
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ThinkCentre User Guide