Owners Manual

● Operating systems must be UEFI-compatible to be installed from the UEFI boot mode. DOS and 32-bit operating
systems do not support UEFI and can only be installed from the BIOS boot mode.
● For the latest information about supported operating systems, go to Dell.com/ossupport.
Related references
Boot Settings on page 40
Related tasks
Boot Settings details on page 41
Viewing Boot Settings on page 40
Changing the boot order
About this task
You may have to change the boot order if you want to boot from a USB key or an optical drive. The following instructions may
vary if you have selected BIOS for Boot Mode.
Steps
1. On the System Setup Main Menu screen, click System BIOS > Boot Settings.
2. Click Boot Option Settings > Boot Sequence.
3. Use the arrow keys to select a boot device, and use the plus (+) and minus (-) sign keys to move the device down or up in
the order.
4. Click Exit, and then click Yes to save the settings on exit.
Related references
Boot Settings on page 40
Related tasks
Boot Settings details on page 41
Viewing Boot Settings on page 40
Network Settings
You can use the Network Settings screen to modify PXE device settings. The network settings option is available only in the
UEFI mode.
NOTE:
The BIOS does not control network settings in the BIOS mode. For the BIOS boot mode, the optional Boot ROM of
the network controllers handles the network settings.
Related concepts
UEFI iSCSI Settings on page 43
Related references
Network Settings screen details on page 43
UEFI iSCSI Settings details on page 44
System BIOS on page 38
Related tasks
Viewing Network Settings on page 43
Viewing UEFI iSCSI Settings on page 44
42
Pre-operating system management applications