Dell OptiPlex 9020 (Mid 2013) - Manual (Page 14)

Installing the Hard Drive
1. Slide the hard drive into the drive cage.
2. Tighten the screws to secure the hard drive to the drive cage.
3. Install:
a) drive cage
b) front bezel
c) cover
4. Follow the procedures in After Working Inside Your Computer .
Removing the Intrusion Switch
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove:
a) cover
b) front bezel
c) drive cage
3. Disconnect the intrusion-switch cable from system board. Slide the intrusion switch and remove it from the
chassis.
Installing the Intrusion Switch
1. Insert the intrusion switch into the bracket on the power supply and slide it to secure it.
2. Connect the intrusion-switch cable to the system board.
3. Install:
a) drive cage
b) front bezel
c) cover
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