Post Behavior

Fast

When enabled (default), your computer starts more quickly because it skips certain configurations and tests.

Boot

 

NumLock

Enables or disables the NumLock feature when your computer starts.

LED

When enabled (default), this option activates the numeric and mathematical features shown at the top of

 

 

each key. When disabled, this option activates the cursor-control functions labeled on the bottom of each key

POST

Allows you to specify the function keys to display on the screen when the computer starts.

Hotkeys

Enable F2 = Setup (enabled by default)

 

 

Enable F12 = Boot menu (enabled by default)

Keyboard Enables or disables keyboard error reporting when the computer starts.

Errors

This option is enabled by default.

System Logs

BIOS Events Displays the system event log and allows you to:

Clear Log

Mark all Entries

Boot Sequence

This feature allows you to change the Boot Device Property for devices.

Option Settings

Onboard USB Floppy Drive — The computer attempts to boot from the floppy drive.

Onboard SATA Hard Drive — The computer attempts to boot from the hard drive.

USB Device — The computer attempts to boot from a removable device, such as a USB key. CD/DVD — The computer attempts to boot from the disc drive.

Changing the Boot Sequence for the Current Boot

You can use this feature, for example, to restart your computer to a USB device, such as a floppy drive, memory key, or optical drive.

1.If you are booting to a USB device, connect the USB device to a USB connector.

2.Turn on (or restart) your computer.

3.When F12 = Boot Menu appears in the upper-right corner of the screen, press <F12>.

If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft Windows desktop, then shut down your computer and try again.

4.The Boot Menu appears, listing all available boot devices.

5.Use the arrow keys to select the appropriate device (for the current boot only).

NOTE: To boot to a USB device, the device must be bootable. To ensure that a device is bootable, check the device documentation.

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Dell 780 service manual Boot Sequence, Enable F12 = Boot menu enabled by default, Clear Log Mark all Entries

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.