Dell 3020 SFF Owner's Manual Page 45
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- Table of contents
- TROUBLESHOOTING
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11. Click Save to save the file on your computer.
12. Click Run to install the updated BIOS settings on your computer.
Follow the instructions on the screen.
Clearing Forgotten Password
The system's software security features include a system password and a setup password. The password
jumper disables any password(s) currently in use. There are 3–pins for the password reset jumper.
1. Follow the procedures in
Before Working Inside Your Computer
.
2. Remove the cover.
3. Identify the password reset jumper on the system board, see the System Board Components.
4. Remove the 2-pin jumper plug from pins 2 and 3 and fix it on pins 1 and 2
5. Install the cover.
6. Connect the computer to the electrical outlet and power-on the computer to clear the password.
7. Power-off the computer and disconnect the power cable from the electrical outlet.
8. Remove the cover.
9. Replace the jumper on the pins 2 and 3.
10. Install the cover.
11. Follow the procedures in
After Working Inside Your Computer
.
12. Power-on the computer.
13. Go to the system setup, and assign a new system or setup password.
Clearing CMOS
1. Follow the procedures in
Before Working Inside Your Computer
.
2. Remove the cover.
3. Remove the PCI card if installed.
4. Identify the CMOS jumper on the system board, see the System Board Components.
5. Place the 2-pin jumper plug on pins 1 and 2 to clear CMOS
6. Install PCI card if installed.
7. Install the cover.
8. Connect the computer to the electrical outlet and power-on the computer to clear the CMOS.
9. Power-off the computer and disconnect the power cable from the electrical outlet.
10. Remove the cover.
11. Replace the jumper on the pins 1 and 2.
12. Install PCI card if installed.
13. Install the cover.
14. Follow the procedures in
After Working Inside Your Computer
.
15. Power-on the computer.
System and Setup Password
You can create a system password and a setup password to secure your computer.
45
- Owner's Manual 1
- Notes, Cautions, and Warnings 2
- Contents 3
- Working on Your Computer 5
- Turning Off Your Computer 6
- Recommended Tools 9
- System Overview 9
- Removing the Cover 10
- Installing the Cover 11
- Removing the Front Bezel 12
- Installing the Front Bezel 12
- Removing The Expansion Card 12
- Installing The Expansion Card 14
- Removing the Optical Drive 14
- Removing the Drive Cage 15
- Installing the Optical Drive 15
- Installing the Drive Cage 16
- Removing the Hard Drive 17
- Installing the Hard Drive 18
- Removing the Speaker 18
- Installing the Speaker 19
- Memory Module Guidelines 19
- Removing the Memory 20
- Installing the Memory 20
- Removing the System Fan 20
- Installing the System Fan 21
- Removing the Power Switch 21
- Installing the Power Switch 22
- Removing the I/O Panel 23
- Installing the I/O Panel 24
- Removing the Power Supply 24
- Installing the Power Supply 27
- Removing the Processor 29
- Installing the Processor 30
- Removing the Intrusion Switch 30
- System Board Components 31
- Removing the System Board 32
- Installing the System Board 34
- System Setup 35
- System Setup Options 36
- Table 3. System Configuration 37
- Table 4. Video 38
- Table 5. Security 38
- System Password 39
- Computrace Service 39
- Absolute Software 39
- Table 6. Secure Boot 40
- Table 7. Performance 41
- Table 8. Power Management 41
- Table 9. POST Behavior 42
- Table 11. Maintenance 43
- Table 12. Cloud Desktop 43
- Updating the BIOS 44
- Clearing Forgotten Password 45
- Clearing CMOS 45
- System and Setup Password 45
- Disabling a System Password 47
- Diagnostics 49
- Troubleshooting Your Computer 51
- Beep Code 52
- Error Messages 52
- Technical Specifications 57
- Table 25. Internal Connectors 59
- Table 26. Controls and Lights 59
- Table 27. Power 60
- Table 28. Physical 60
- Table 29. Environmental 60
- Feature Specification 61
- Contacting Dell 63
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