User Manual
Table Of Contents
- Dell OptiPlex 3020–Small Form Factor Owner's Manual
- Working on Your Computer
- Removing and Installing Components
- Recommended Tools
- System Overview
- Removing the Cover
- Installing the Cover
- Removing the Front Bezel
- Installing the Front Bezel
- Removing The Expansion Card
- Installing The Expansion Card
- Removing the Optical Drive
- Installing the Optical Drive
- Removing the Drive Cage
- Installing the Drive Cage
- Removing the Hard Drive
- Installing the Hard Drive
- Removing the Speaker
- Installing the Speaker
- Memory Module Guidelines
- Removing the Memory
- Installing the Memory
- Removing the System Fan
- Installing the System Fan
- Removing the Power Switch
- Installing the Power Switch
- Removing the I/O Panel
- Installing the I/O Panel
- Removing the Power Supply
- Installing the Power Supply
- Removing the Coin-Cell Battery
- Installing the Coin-Cell Battery
- Removing the Heatsink Assembly
- Installing the Heatsink Assembly
- Removing the Processor
- Installing the Processor
- Removing the Intrusion Switch
- Installing the Intrusion Switch
- System Board Components
- Removing the System Board
- Installing the System Board
- System Setup
- Diagnostics
- Troubleshooting Your Computer
- Technical Specifications
- Contacting Dell
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.
Password Type Description
System password Password that you must enter to log on to your system.
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