CAUTION:
Switching the boot mode may prevent the system from booting if the operating system is not installed in
the same boot mode.
After the system boots in the specified boot mode, proceed to install your operating system from that mode.
NOTE:
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.
NOTE:
For the latest information about supported operating systems, go to
www.dell.com/ossupport
.
Changing 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
On the
System Setup Main Menu
screen, click
System BIOS
>
Boot Settings
>
UEFI/BIOS Boot Settings
>
UEFI/BIOS Boot
Sequence
.
Click
Boot Option Settings
>
BIOS
>
Boot Sequence
.
Click
Exit
, and then click
Yes
to save the settings on exit.
Network Settings
You can use the
Network Set tings
screen to modify UEFI PXE, iSCSI, and HTTP boot settings. The network settings option is available
only in the UEFI mode.
NOTE:
BIOS does not control network settings in the BIOS mode. For the BIOS boot mode, the option ROM of the
network controllers handles the network settings.
Viewing Network Settings
To view the
Network Settings
screen, perform the following steps:
Steps
Power on, or restart your system.
Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If your operating system begins t o load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
On the
System Setup Main Menu
screen, click
System BIOS
.
On the
System BIOS
screen, click
Network Set tings
.
Network Settings screen details
The
Network Settings
screen details are explained as follows:
About this task
Option
Description
UEFI PXE Sett ings
Options
Description
PXE Device n (n =
1 to 4)
Enables or disables the device. When enabled, a UEFI PXE boot option is created for the
device.
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Pre-operating system management applications
