Dell 9020 Owner's Manual download pdf (Page 19)

Installing the Processor

1. Insert the processor in the processor socket. Ensure the processor is properly seated.

2. Lower the processor cover.

3. Press the release lever down and then move it inward to secure it with the retention hook.

4. Install:

a) heat-sink assembly

b) cover

5. Follow the procedures in

After Working Inside Your Computer

Removing the System Fan

1. Follow the procedures in

Before Working Inside Your Computer

2. Remove the cover.

3. Press the clip to release and disconnect the system-fan cable from the system board.

4. Pry and remove the system fan away from the four grommets securing it to the back of the computer.

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Dell OptiPlex 9020 Mini Tower 1
Owner's Manual 1
Notes, Cautions, and Warnings 2
Contents 3
Working on Your Computer 5
Turning Off Your Computer 6
Recommended Tools 7
Removing the Cover 7
Installing the Cover 7
Removing the Intrusion Switch 8
Removing the Front Bezel 9
Installing the Front Bezel 10
Removing the Expansion Card 10
Installing the Expansion Card 11
Memory Module Guidelines 11
Removing the Memory 11
Installing the Memory 12
Removing the Hard Drive 13
Installing the Hard Drive 14
Removing the Optical Drive 14
Installing the Optical Drive 15
Removing the Speaker 15
Installing the Speaker 16
Removing the Power Supply 16
Installing the Power Supply 18
Removing the Processor 18
Installing the Processor 19
Removing the System Fan 19
Installing the System Fan 20
Removing the Thermal Sensor 20
Installing the Thermal Sensor 22
Removing the Power Switch 22
Installing the Power Switch 23
Removing the System Board 25
Installing the System Board 26
System Board Components 27
System Setup 29
System Setup Options 30
Table 3. System Configuration 31
Boot Support 32
System Password 33
Computrace Service 33
Absolute Software 33
Table 5. Secure Boot 34
Table 6. Performance 34
Table 7. Power Management 35
Table 8. POST Behavior 37
Table 10. Maintenance 37
Table 11. Cloud Desktop 37
Table 12. System Logs 38
Updating the BIOS 39
Jumper Settings 39
System and Setup Password 39
Disabling a System Password 41
Diagnostics 43
Troubleshooting Your Computer 45
Beep Code 46
Error Messages 46
Specifications 51
Table 19. Network 52
Table 20. System Information 52
Table 21. Expansion Bus 52
Table 22. Cards 52
Table 23. Drives 53
Table 24. External Connectors 53
Table 25. Internal Connectors 54
Table 26. Controls and Lights 55
Table 27. Power 56
Table 28. Physical Dimension 56
Table 29. Environmental 56
Contacting Dell 59

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Dell 9020 Owner's Manual Page 19

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