Use the
Removable Flash Media Boot Sequence option to select which USB or SD card devices to search first when enumerating boot devices.
Prerequisites
Boot mode is set to Legacy BIOS Mode.
Procedure
-
From the
System Utilities screen, select
.
-
Select a setting.
Internal SD Card First—Boots using the internal SD card slot.
Internal Drive Keys First—Boots using the internal USB drive keys.
External Drive Keys First—Boots using external USB drive keys.
-
Save your setting.