Lenovo M58e Hardware Maintenance Manual - Page 123

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 85. 2. Remove the front bezel. See "Removing and installing the front bezel" on page 87 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 84. 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. 10. Go to "Completing the FRU replacement" on page 120. Chapter 8. Replacing FRUs - Tamdhu Computers 117