Dell OPTIPLEX 990

Manuals and User Guides for Dell OPTIPLEX 990. We found 100 manuals for free downloads Instructions, Owner's manual, Service manual, User guide, User's Guide

The Dell OptiPlex 990 is a powerful and versatile computer that is designed for business use. It is a Mini-Tower desktop computer with a range of features, including multiple expansion slots, a variety of ports, and a variety of memory options. The OptiPlex 990 is also equipped with a variety of security features to protect your data.

Key Features

  • Mini-Tower form factor
  • Multiple expansion slots
  • Variety of ports
  • Variety of memory options
  • Security features

Pages: 99 Dell OPTIPLEX 990 Instructions

Brand: Dell Category: Notebooks Size: 3 MB

Languages: English

Table of contents

Open manual

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Frequently Answers and Questions

How do I enter System Setup?
Press to enter System Setup and make changes to the user-definable settings. If you have trouble entering System Setup using this key, press when the keyboard LEDs first flash.
How to access Boot Menu?
Press to access Boot Menu. It allows you to bypass the System Setup-defined boot device order and boot directly to a specific device (for example: floppy, CD-ROM, or hard drive).
How to navigate the BIOS screens?
The computer setup can be navigated by either the keyboard or the mouse. Use the following keystrokes to navigate the BIOS screens: , left- or right-arrow key, or +/– Expand and collapse field <> Expand or collapse all fields — Remain in Setup, Save/Exit, Discard/Exit Exit BIOS Left or right-arrow key Change a setting Select field to change Cancel modification or Load Defaults menu option Reset defaults
How to disable keyboard error reporting?
To disable keyboard error reporting, you can go to 'System Setup' -> 'POST Behavior' -> 'Keyboard Errors', and then select 'Disable'.
How to enable Wake on LAN?
To enable Wake on LAN, you can go to 'System Setup' -> 'Power Management' -> 'Wake on LAN', and then select 'LAN Only'.

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