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Dell OptiPlex Tower 7020 - Page 108

Dell OptiPlex Tower 7020
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Figure 83. Removing the system board
Steps
1. Remove the two screws (#6-32) that secure the front I/O-bracket to the chassis.
2. Slide and remove the front I/O-bracket from the chassis.
3. Disconnect the following cables from the respective connectors on the system board and remove them from the retention
clips on the chassis, if applicable:
a. Power-supply unit cables (ATX CPU and ATX SYS)
b. Slim optical drive cable (SATA3)
c. Hard drive cables (SATA0 and SATA PWR)
d. Internal-speaker cable (INSKR1)
e. Intrusion-switch cable (INTRUSION)
108
Removing and installing Field Replaceable Units (FRUs)

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