Replacing The Power Switch/Led Assembly - Lenovo ThinkStation S20 4157 Hardware Manual

10. Reinstall the front bezel.
11. Go to "Completing the FRU replacement" on page 131.

Replacing the power switch/LED assembly

This procedure describes how to remove and replace the power switch/LED
assembly.
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Hardware Maintenance Manual
7. Align the screw holes in the new front panel connectors assembly with the
holes in the chassis. Install the two screws to secure the assembly.
8. Reconnect all the cables to the system board. See "Locating parts on the
system board" on page 137.
9. Reinstall the hard disk drive fan bracket if removed.
Attention
Do not open your computer or attempt any repair before reading and understanding the
"Important safety information" in the ThinkStation Safety and Warranty Guide that came
with your computer. To obtain a copy of the ThinkStation Safety and Warranty Guide, go to:
http://www.lenovo.com/support
1. Remove the computer cover. See "Removing the cover" on page 135.
2. Remove the front bezel. See "Removing the front bezel" on page 137
3. Disconnect the power switch/LED assembly cable from the system board. See
"Removing the front bezel" on page 137.
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.