You can only assign a system password when the following option is displayed:

Not Set — No system password is assigned and the password jumper on the system board is in the enabled position (the default setting).

Assigning a System Password

To exit without assigning a system password, press <Esc> at any time (before you press the OK button in step 4).

1.Enter system setup (see Entering System Setup).

2.Select System Password, and verify that Password Status is set to Not Set.

3.Type your new system password.

You can use up to 32 characters. To erase a character when entering your password, press <Backspace>. The password is case sensitive.

Certain key combinations are not valid. If you enter one of these invalid combinations, the speaker emits a beep.

As you press each character key (or the spacebar for a blank space), a placeholder appears.

4.Type your new password a second time to confirm and press OK button. The password setting changes to Set.

Typing Your System Password

When you start or restart your computer, the following prompt appears on the screen.

If Password Status is set to Locked:

Type the password and press <Enter>.

If you have assigned an administrator password, the computer accepts your administrator password as an alternate system password.

If you type a wrong or incomplete system password, the following message appears on the screen:

** Incorrect password. **

If you again type an incorrect or incomplete system password, the same message appears on the screen. The third and subsequent times you type an incorrect or incomplete system password, the computer displays the following message:

** Incorrect password. **

Number of unsuccessful password attempts: 3 System halted! Must power down.

Even after your computer is turned off and on, the previous message is displayed each time you type an incorrect or incomplete system password.

NOTE: You can use Password Status in conjunction with System Password and Admin Password to further protect your computer from unauthorized changes.

Deleting or Changing an Existing System Password

1.Enter system setup (see Entering System Setup).

2.Go to SecuritySystem Password and press <Enter>.

3.When prompted, type the system password.

4.Press <Enter> twice to clear the existing system password. The setting changes to Not Set.

If Not Set is displayed, the system password is deleted. If Not Set is not displayed, press <Alt><b> to restart the

Page 16
Image 16
Dell 780 service manual Assigning a System Password, If Password Status is set to Locked

780 specifications

The Dell OptiPlex 780 is a versatile desktop computer that stands out for its reliability, performance, and energy efficiency, making it an ideal choice for businesses and individuals alike. Launched as part of Dell's OptiPlex series, the 780 caters to a wide range of computing needs, from basic office tasks to more demanding applications.

One of the most notable features of the Dell 780 is its powerful performance. It is equipped with Intel's Core 2 Duo processors, which deliver reliable multitasking capability and responsiveness. With options for up to 8GB of DDR3 RAM, users can expect smooth operation when running various applications simultaneously. This makes the OptiPlex 780 suitable for environments where productivity is essential.

In terms of connectivity, the Dell 780 is built with a variety of ports, including USB 2.0 and USB 3.0, ensuring compatibility with numerous peripherals and devices. Additionally, it offers audio jacks, a serial port, and VGA, DisplayPort, or DVI outputs, allowing users to connect to multiple displays or integrate with legacy systems.

The Dell 780 incorporates several technologies focused on security and management, making it a reliable choice for businesses. The built-in Trusted Platform Module (TPM) enhances data protection by enabling hardware-based encryption, while the chassis lock feature provides physical security against unauthorized access. Furthermore, with remote management capabilities, IT administrators can efficiently monitor and maintain the system, reducing downtime and simplifying support tasks.

Energy efficiency is another key characteristic of the Dell OptiPlex 780. It is designed to meet Energy Star certification requirements, which signifies that it consumes less power compared to traditional desktop computers. This not only contributes to lower utility bills but also aligns with environmentally responsible practices, making it a compelling option for organizations aiming to reduce their carbon footprint.

The unit’s compact design and choice of form factors—mini-tower, desktop, and small form factor—allow it to fit seamlessly into various office environments. The easy-to-access internal components further facilitate upgrades and maintenance, providing flexibility for future enhancements.

Overall, the Dell OptiPlex 780 combines robust performance, extensive connectivity options, advanced security features, and energy efficiency, making it an exceptional choice for a diverse range of users. Whether in a corporate setting or at home, it continues to deliver dependable performance that meets the demands of modern computing.