Replacing The Front Audio/Usb Assembly; Replacing The Power Switch/Led Assembly - Lenovo 7269D7U - Topseller M58e Sff E7500 2.93G 3Gb 320Gb Dvdrw W7p/Xpp Hardware Maintenance Manual

8. Connect the rear fan assembly cable to the system fan connector on the system board.
9. Go to "Completing the FRU replacement" on page 95.

Replacing the front audio/USB assembly

Attention
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre
Safety and Warranty Guide, go to:
http://www.lenovo.com/support
This section provides instructions on how to remove and replace the front audio/USB assembly.
1. Remove the computer cover. See "Removing the computer cover" on page 69.
2. Remove the front bezel. See "Removing and installing the front bezel" on page 70
3. Disconnect the front audio/USB assembly cable from the system board. See the system board
illustration for your machine type at "System board connectors" on page 68.
4. Note the front audio/USB assembly cable routing and remove the screw that secures the assembly to
the chassis.
5. Remove the front audio/USB assembly.
6. Route the cable for the new front audio/USB assembly through the hole in the chassis and to the
system board.
7. Install the front audio/USB assembly into the chassis and secure it with the screw.
8. Connect the front audio/USB assembly cable to the system board.
9. Reinstall the front bezel.
10. Go to "Completing the FRU replacement" on page 95.

Replacing the power switch/LED assembly

Attention
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre
Safety and Warranty Guide, go to:
http://www.lenovo.com/support
This section provides instructions on how to remove and replace the power switch/LED assembly.
1. Remove the computer cover. See "Removing the computer cover" on page 69.
2. Remove the front bezel. See "Removing and installing the front bezel" on page 70
3. Disconnect the power switch/LED assembly cable from the system board. See the system board
illustration for your machine type at "System board connectors" on page 68.
4. Note the power switch/LED assembly cable routing and the position of the two LEDs.
5. Remove the switch/LED from the bezel.
6. Route the cable for the new power switch/LED assembly through the hole in the chassis and to the
system board.
7. Install the new power switch/LED assembly into the bezel. Make sure that the LEDs are in the correct
position.
8. Connect the power switch/LED cable to the system board.
9. Reinstall the front bezel.
.
Chapter 8 Replacing FRUs (Types 7258, 7260, 7268, 7270, 7280, 7296, 7298, 7304, 7307,7413, 7491, and 7508)
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