Installing The Power Switch; Input/Output Panel; Removing The Input/Output Panel - Dell PowerEdge T20 Owner's Manual

1. power switch
2. screw

Installing The Power Switch

CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and
peripherals.
2. Lay the system on its side, on a flat and stable surface.
3. Open the system.
4. Slide the power switch through the slot on the front of the system and secure it to the system.
5. Route the power-switch cable through the chassis clip.
6. Connect the power-switch cable to the power-switch connector on the system board.
7. Install the following components:
a) optical drive
For information on installing the optical drive, see
b) bezel
8. Close the system.
9. Place the system upright on a flat, stable surface.
10. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.

Input/Output Panel

Removing The Input/Output Panel

CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and
peripherals.
2. Lay the system on its side, on a flat and stable surface.
3. Open the system.
4. Remove the bezel.
5. Disconnect the I/O panel, data, and USB data cables from the system board.
6. Remove the I/O panel, data, and USB data cables from the chassis clip.
7. Remove the screw securing the I/O panel to the system.
8. Slide the I/O panel towards the front of the system to release it and pull the I/O panel along with its cable out of the
system.
34
Installing The Optical Drive.