Dell XPS 13 owner manual Changing Boot Sequence for the Current Boot

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

CD/DVD/CD-RW Drive — The computer attempts to boot from the optical drive. If no disc is in the drive, or if the disc is not bootable, the computer generates an error message.

Changing Boot Sequence for the Current Boot

You can use this feature to change the current boot sequence, for example, to boot from the optical drive to run Dell Diagnostics from the Drivers and Utilities disc. The previous boot sequence is restored at the next boot.

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

2Turn on (or restart) your computer.

3When F12 Boot Options options appears in the lower-right corner of the screen, press <F12>.

NOTE: 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.

The Boot Priority Order menu appears, listing all available boot devices.

4On the Boot Priority Order menu choose the device you want to boot from.

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

Changing Boot Sequence for Future Boots

1Enter system setup. See "Entering System Setup" on page 67.

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

NOTE: Write down your current boot sequence in case you want to restore it.

3Press the up- and down-arrow keys to move through the list of devices.

4Press plus (+) or minus (–) to change the boot priority of the device.

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System Setup Utility

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Contents Computer model L321x/L322x Regulatory model P29G 2012 Rev. A00 Contents Contents Power-Adapter Connector Entering the Service Tag in Bios Replacing the Display Assembly Contents Before You Begin Turn Off Your Computer and Connected DevicesSafety Instructions Recommended ToolsAfter Working Inside Your Computer After Working Inside Your Computer Base Cover Removing the Base CoverReplacing the Base Cover Power-Light Board Removing the Power-Light BoardPrerequisites Replacing the Power-Light Board PostrequisitesBattery Removing the BatteryReplacing the Battery Speakers Removing the SpeakersLeft-speaker cable Speakers Right Speaker Replacing the Speakers Wireless Mini-Card Removing the Mini-Card Replacing the Mini-Card Postrequisites Solid-State Drive Removing the Solid-State DriveReplacing the Solid-State Drive Heat Sink Removing the Heat SinkReplacing the Heat Sink Fan Removing the FanRouting guides Power-adapter connector cable Replacing the Fan Fan Power-Adapter Connector Removing the Power-Adapter ConnectorRouting guides Touchpad cable Mini-card cables Replacing the Power-Adapter Connector Postrequisites Board Removing the I/O Board Replacing the I/O BoardPostrequisites Board System Board Removing the System Board Screws Replacing the System Board Entering the Service Tag in Bios System Board Coin-Cell Battery Removing the Coin-Cell Battery Replacing the Coin-Cell BatteryPostrequisites Coin-Cell Battery Display Assembly Removing the Display AssemblyRouting guides Release the mini-card cables from the routing guides Replacing the Display Assembly Postrequisites Display Assembly Keyboard Removing the Keyboard Replacing the Keyboard Keyboard Palm-Rest Assembly Removing the Palm-Rest Assembly Replacing the Palm-Rest AssemblyPostrequisites Palm-Rest Assembly System Setup Entering System SetupOverview System Setup Options Advanced Security Boot Sequence Changing Boot Sequence for the Current Boot Flashing the Bios Flashing the Bios