Dell OptiPlex 7020 Dell OptiPlex 7020 Small Form Factor Owners Manual - Page 30

Installing the Intrusion Switch, Removing the System Board - power supply

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4. 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 the: a. heat sink assembly b. cover 4. Follow the procedures in After Working Inside Your Computer. Removing the System Board 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the: a. cover b. front bezel c. optical drive d. drive cage e. memory f. expansion card(s) g. heatsink assembly h. power supply i. processor 3. Disconnect all the cables connected to the system board. 30

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4.
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 the:
a.
heat sink assembly
b.
cover
4.
Follow the procedures in
After Working Inside Your Computer
.
Removing the System Board
1.
Follow the procedures in
Before Working Inside Your Computer
.
2.
Remove the:
a.
cover
b.
front bezel
c.
optical drive
d.
drive cage
e.
memory
f.
expansion card(s)
g.
heatsink assembly
h.
power supply
i.
processor
3.
Disconnect all the cables connected to the system board.
30