Lenovo ThinkCentre A57, Hardware Maintenance Manual

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7. Install the front panel card assembly into the chassis and secure it with the screw.
8. Connect the front panel assembly cables to the system board.
9. Align the drive bay assembly with the two slots and rails on the sides of the chassis and slide the drive
bay assembly towards the rear of the chassis until it snaps into position.
10. Reinstall the front bezel.
11. Go to “Completing the FRU replacement” on page 88.
Replacing the system fan assembly
This procedure describes how to remove and replace the system fan assembly.
1. Remove cover. See “Removing the cover” on page 71.
2. To access system board components. See “Accessing system board components and drives” on page
72.
3. Remove the hard disk drive. See “Replacing the hard disk drive” on page 82.
4. Disconnect the system fan cable from the system board. See “System board connectors” on page 70.
5. Remove the two screws securing the system fan assembly.
6. Remove the system fan assembly by pulling the bracket outward and lifting it up from the system board
to remove completely.
7. Install the new system fan assembly and install the two screws that secure the fan assembly.
8. Connect the system fan cable to the system fan connector on the system board.
9. Reinstall the hard disk drive. See “Replacing the hard disk drive” on page 82.
10. Align the drive bay assembly with the two slots and rails on the sides of the chassis and slide the drive
bay assembly towards the rear of the chassis until it snaps into position.
11. Reinstall the front bezel.
12. Go to “Completing the FRU replacement” on page 88.
Replacing a PCI adapter
This procedure describes how to remove and replace a PCI adapter.
1. Remove cover. See “Removing the cover” on page 71.
2. Open the adapter latch and remove the failing adapter.
Chapter 8
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Replacing FRUs (Types 7065, 7096, 9351, 9358, 9438, 9481, 9489, 9703, 9784, 9788, 9792, 9853, 9949)
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