Power/LED switch assembly
Before you begin:
vRead the “Installation guidelines” on page 23.
vRead AppendixB, “Safety information,” on page 127.
vReview the information in “System reliability considerations” on page 23.
Toremove the power/LED switch assembly, complete the following steps:
1. Turn off the computer,if it is on.
2. Disconnect the power cord from the power source and from the computer; then,
disconnect all external cables.
3. Remove the side cover (see “Removing the side cover” on page 25).
4. Remove the front bezel (see “Removing the bezel” on page 26).
5. Note where the power-switch and LED panel cable connects to the system
board; then, carefully disconnect the cable from the system board.
Note: See the system service label or “System board internal connectors” on
page 72 for system board connector locations.
Release tab
6. From inside the computer, press the release tab.
7. Pull the assembly toward the rear of the computer and remove it.
Toreplace the power/LED switch assembly, reverse the previous steps, making
sure that the assembly clicks into place in the chassis.
68 IntelliStation Z Pro Types6223 and 6227: HardwareMaintenance Manual and Troubleshooting Guide