Lenovo ThinkCentre M57 Hardware Maintenance Manual - Page 152
switch/LED
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Page 152 highlights
Replacing the power switch/LED assembly This procedure describes how to remove and replace the power switch/LED assembly. 1. Remove the computer cover. See "Removing the cover" on page 117. 2. Remove the front bezel. See "Removing and replacing the front bezel" on page 118 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 116. 4. Note the power switch/LED assembly cable routing and the position of the two LEDs. 5. Remove the switch and the LEDs 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 148. 146 Hardware Maintenance Manual