Lenovo ThinkCentre E51 Hardware Maintenance Manual - Page 122

Replacing the front panel card, Completing the FRU replacement, After replacing FRUs

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Replacing the front panel card 1. Remove the front bezel. See "Removing and replacing the front bezel" on page 91. 2. Disconnect the front USB cable and the front audio cable from the system board. See "Identifying parts on the system board" on page 86 3. Remove the screw on each side of the chassis that secures the front panel bracket. 4. Slide the front panel bracket out the front of the chassis. 5. Disconnect the front USB cable and the front audio cable from the front panel card being replaced. 6. Connect the front USB cable and the front audio cable to the new front panel card. 7. Slide the new front panel bracket into the chassis until the screw holes are aligned. 8. Install the screw on each side of the chassis that secures the front panel bracket. 9. Reinstall the bezel. See "Removing and replacing the front bezel" on page 91. 10. Connect the front USB cable and the front audio cable to the system board. See the system board illustration for your machine type at "Identifying parts on the system board" on page 86. 11. Go to "Completing the FRU replacement." Completing the FRU replacement After replacing FRUs, you need to install any removed parts, replace the cover, and reconnect any cables, including telephone lines and power cords. Also, depending on the FRU that is replaced, you might need to confirm the updated information in the Setup Utility program. 116 Hardware Maintenance Manual

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Replacing the front panel card
1.
Remove the front bezel. See “Removing and replacing the front bezel” on
page 91.
2.
Disconnect the front USB cable and the front audio cable from the system
board. See “Identifying parts on the system board” on page 86
3.
Remove the screw on each side of the chassis that secures the front panel
bracket.
4.
Slide the front panel bracket out the front of the chassis.
5.
Disconnect the front USB cable and the front audio cable from the front panel
card being replaced.
6.
Connect the front USB cable and the front audio cable to the new front panel
card.
7.
Slide the new front panel bracket into the chassis until the screw holes are
aligned.
8.
Install the screw on each side of the chassis that secures the front panel
bracket.
9.
Reinstall the bezel. See “Removing and replacing the front bezel” on page 91.
10.
Connect the front USB cable and the front audio cable to the system board.
See the system board illustration for your machine type at “Identifying parts
on the system board” on page 86.
11.
Go to “Completing the FRU replacement.”
Completing the FRU replacement
After replacing FRUs, you need to install any removed parts, replace the cover, and
reconnect any cables, including telephone lines and power cords. Also, depending
on the FRU that is replaced, you might need to confirm the updated information in
the Setup Utility program.
116
Hardware Maintenance Manual