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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Dell XPS13-4040SLV, L321X, P29G manual Changing Boot Sequence for the Current Boot

P29G, L321X, XPS13-4040SLV specifications

The Dell XPS 13 4040SLV is a sophisticated ultrabook that seamlessly combines sleek design with powerful performance. Renowned for its premium build quality, the XPS 13 boasts an elegant silver aluminum chassis, which exudes a modern aesthetic while ensuring durability. With its compact size, the laptop is highly portable, making it an ideal choice for professionals and students on the go.

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