Dell E520 Changing Boot Sequence for the Current Boot, Changing Boot Sequence for Future Boots

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System Setup: Dell Dimension E520 Service Manual

NOTE: The computer attempts to boot from all bootable devices, but if no bootable device is found, the computer generates an error message that states No boot device available. Press the <F1> key to retry the boot, or press the <F2> key to enter the setup utility.

Onboard or USB Floppy Drive — The computer attempts to boot from the floppy drive. If there is no floppy in the drive or there is no floppy drive installed, the computer attempts to boot from the next bootable device in the sequence.

NOTE: If there is a non-bootable floppy in the drive, the computer generates an error message. Follow the on- screen instructions to retry the boot.

Onboard SATA Hard Drive — The computer attempts to boot from the primary hard drive. If no operating system is on the drive, the computer attempts to boot from the next bootable device.

Onboard or USB CD-ROM Drive — The computer attempts to boot from the CD drive. If no CD is in the drive, or if the CD has no operating system, the computer attempts to boot from the next bootable device.

USB Device — Insert the memory device into a USB port and restart the computer. When F12 = Boot Menu appears in the upper-right corner of the screen, press <F12>. The BIOS detects the device and adds the USB option to the boot menu.

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

Changing 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, CD-RW drive, or PXE (NIC).

NOTE: If you are booting to a USB floppy drive, you must first set the floppy drive to OFF in system setup (see System Setup Options).

1.If you are booting to a USB device, connect the USB device to a USB connector (see Front View of the Computer).

2.Turn on (or restart) your computer.

3.When the DELL logo appears, press <F12> immediately.

NOTE: Keyboard failure may result when a key on the keyboard is held down for extended periods of time. To avoid possible keyboard failure, press and release <F12> in even intervals until the Boot Device Menu appears.

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.At the Boot Device Menu, use the up- and down-arrow keys or press the appropriate number on the keyboard to highlight the device that is to be used for the current boot only, and then press <Enter>.

For example, if you are booting to a USB memory key, highlight USB Flash Device and press <Enter>.

NOTE: To boot to a USB device, the device must be bootable. To make sure your device is bootable, check the device documentation.

Changing Boot Sequence for Future Boots

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

2.Use the arrow keys to highlight the Boot Sequence menu option, then press <Enter> to access the menu.

file:///T/htdocs/systems/dimE520/en/SM_EN/syssetup.htm[10/16/2012 1:04:54 PM]

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Contents Model Dcta July 2006 Rev. A00 Before Working Inside Your Computer Getting StartedRecommended Tools Turning Off Your ComputerBack to Contents Front View of the Computer About Your ComputerBack View of the Computer Back Panel Connectors Has been securely attached VGA connector System Board Components Inside View of Your ComputerClrpswd Power Supply DC Connector Pin AssignmentsPin Number Signal Name Color Wire Gauge DC Power Connector P1DC Power Connect P3, P5, P8, and P9 DC Power Connector P2Pin Number Signal Name AWG Wire DC Power Connector P10 DC Power Connector P7Memory ProcessorComputer Information Drives VideoAudio Expansion BusPower ConnectorsControls and Lights Environmental PhysicalPower Lights Advanced TroubleshootingProblem Description Suggested Resolution Diagnostic LightsCode Cause Beep CodesCorrective Action System MessagesMessage Possible CauseStarting the Dell Diagnostics Dell DiagnosticsOption Function Dell Diagnostics Main MenuTab Function Identifying Drivers What Is a Driver?Reinstalling Drivers DriversClick Roll Back Driver Resolving Software and Hardware IncompatibilitiesClick Start, then click Help and Support System Setup Screens Entering System SetupOverview System System Setup OptionsOnboard Devices Option Settings Boot SequenceChanging Boot Sequence for Future Boots Changing Boot Sequence for the Current BootClearing Forgotten Passwords Flashing the Bios Clearing Cmos SettingsClick Save this program to disk, and then click OK Back to Contents Removing the Computer Cover Removing and Installing PartsInside View of Your Computer System Board Components Usbback DDR2 Memory Overview MemoryInstalling Memory Addressing Memory With 4-GB ConfigurationsRemoving Memory PCI Cards CardsRelease tab Bracket caught outside of slot Removing a PCI Card PCI Express Cards Installing a PCI Express CardPage Page Removing a PCI Express Card Removing the Drive Panel Drive PanelRemoving the Drive-Panel Insert Installing the Drive-Panel InsertDrives Installing the Drive PanelDrive Interface Connectors Connecting Drive CablesRemoving a Hard Drive Hard DriveInstalling a Hard Drive Drive Adding a Second Hard Drive Removing a Floppy Drive Floppy DriveInstalling a Floppy Drive Shoulder screws Removing a Media Card Reader Media Card ReaderInstalling a Media Card Reader Reader Media Card Reader Screws Removing a CD/DVD Drive CD/DVD DriveInstalling a CD/DVD Drive Screws Replacing the Battery BatteryRemoving the Power Supply Power SupplyProcessor Installing the Power SupplyRemoving the Processor Processor socket Installing the Processor Panel Removing the I/O Panel Panel ComponentsProcessor Fan Installing the I/O PanelRemoving the Processor Fan Page System Board Installing the Processor FanRemoving the System Board Installing the System Board Replacing the Computer Cover
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