Do you have a question about the Dell Precision 490 Desktop and is the answer not in the manual?
Provides a list of abbreviations and acronyms used in the document.
Details the components visible on the front of the Dell Precision Workstation 490 in tower mode.
Identifies and describes the connectors located on the back panel of the computer.
Details the components visible on the front of the Dell Precision Workstation 490 in desktop mode.
Describes system manageability features and alert standards.
Alerts the user if the computer chassis has been opened.
Provides options for setting and managing system passwords.
Steps to assign or change an administrator password.
Instructions on how to access the system setup utility.
Displays information about the installed processor, including type, speed, and cache.
Enables or disables floppy drives and sets read permission for the internal floppy drive.
Determines if the physical processor appears as one or two logical processors.
Displays the status and allows assignment of a new administrator password.
Configures the computer's suspend mode (S1 or S3).
Allows selection of the boot device for the current boot session.
Explains data mirroring for redundancy at the cost of access rates.
Explains data parity checking for redundancy and performance.
Enables the system to use RAID configurations through BIOS settings.
Steps to create a RAID Level 0 volume using Intel Matrix Storage Manager.
Procedure for removing and installing the coin-cell battery.
Safety guidelines for performing maintenance or upgrades inside the computer.
Step-by-step guide for installing PCI, PCI-X, or PCI Express cards.
Instructions for safely removing expansion cards from the computer.
Instructions for cleaning both optical and non-optical mice.
Detailed steps for safely installing a new processor.
Procedure to remove a hard drive from the carrier.
Steps to remove the computer's drive panel.
Procedure to remove a floppy drive from a tower configuration.
Procedure to install a floppy drive in a desktop configuration.
Procedure to remove a media card reader from a tower configuration.
Procedure to install a media card reader in a desktop configuration.
Procedure to remove a CD/DVD drive from a tower configuration.
Procedure to install a CD/DVD drive in a desktop configuration.
Guides users on where to find information about their computer.
Specifies memory type, connectors, capacities, and minimum/maximum amounts.
Lists the types of drives and their capacities and accessibility.
Provides guidance on how to get technical support from Dell.
Information to have ready before contacting Dell support.
Steps for safely removing the I/O panel from the computer.
Procedure for installing memory modules into the computer.
Steps for safely installing a new power supply unit.
Detailed steps for removing the computer's outer cover.
Steps for removing and replacing the front panel of the computer.
Procedure to reset the chassis intrusion detector settings in BIOS.
Detailed steps for safely removing the system board.
Explains diagnostic lights and their patterns for troubleshooting.
Lists beep codes that identify startup problems.
Instructions to start the Dell Diagnostics utility from the hard drive.
Instructions to start Dell Diagnostics from the included CD.
Steps for reinstalling device drivers and utilities.
Guide to using System Restore for recovery without data loss.
Troubleshooting steps for battery-related issues.
Troubleshooting steps for issues related to hard drives, floppy, CD/DVD drives.
Troubleshooting steps for power-related issues, including the power light.
Troubleshooting steps when the computer screen displays no image.
Guide to using the Files and Settings Transfer Wizard.
Steps to connect the computer to a network using a network adapter.