Dell OptiPlex 3020 Dell OptiPlex 3020-Mini Tower Owners Manual - Page 12

Removing the Intrusion Switch, Removing the Front Bezel, Before Working Inside Your Computer

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Removing the Intrusion Switch 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the: a) cover b) heatsink assembly 3. Perform the following steps as shown in the illustration: a) Press the intrusion-switch cable [1]. b) Disconnect the intrusion-switch cable from the system board [2]. c) Slide the intrusion switch toward the bottom of the chassis and remove it from the computer Installing the Intrusion Switch 1. Insert the intrusion-switch into the chassis rear and slide it outward to secure it. 2. Connect the intrusion-switch cable to the system board. 3. Install: a) heatsink assembly b) cover 4. Follow the procedures in After Working Inside Your Computer. Removing the Front Bezel 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Pry the front bezel retention clips away from the chassis. 4. Rotate the bezel away from the computer to release the hooks on the opposite edge of the bezel from the chassis. Then, lift the chassis and remove the front bezel from the computer. 12

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Removing the Intrusion Switch
1.
Follow the procedures in
Before Working Inside Your Computer
.
2.
Remove the:
a)
cover
b)
heatsink assembly
3.
Perform the following steps as shown in the illustration:
a)
Press the intrusion-switch cable [1].
b)
Disconnect the intrusion-switch cable from the system board [2].
c)
Slide the intrusion switch toward the bottom of the chassis and remove it from the computer
Installing the Intrusion Switch
1.
Insert the intrusion-switch into the chassis rear and slide it outward to secure it.
2.
Connect the intrusion-switch cable to the system board.
3.
Install:
a)
heatsink assembly
b)
cover
4.
Follow the procedures in
After Working Inside Your Computer
.
Removing the Front Bezel
1.
Follow the procedures in
Before Working Inside Your Computer
.
2.
Remove the cover.
3.
Pry the front bezel retention clips away from the chassis.
4.
Rotate the bezel away from the computer to release the hooks on the opposite edge of the bezel
from the chassis. Then, lift the chassis and remove the front bezel from the computer.
12