Boot Sequence RetryEnables or disables the Boot Sequence Retry feature. If this option is set to Enabled and thesystem fails to boot, the system reattempts the boot sequence after 30 seconds. This optionis set to Enabled by default.Hard-Disk FailoverSpecifies the hard drive that is booted in the event of a hard drive failure. The devices areselected in the Hard-Disk Drive Sequence on the Boot Option Setting menu. When thisoption is set to Disabled, only the first hard drive in the list is attempted to boot. When thisoption is set to Enabled, all hard drives are attempted to boot in the order selected in theHard-Disk Drive Sequence. This option is not enabled for UEFI Boot Mode.Boot Option SettingsConfigures the boot sequence and the boot devices.BIOS Boot SettingsEnables or disables BIOS boot options.Note: This option is enabled only if the boot mode is BIOS.UEFI Boot SettingsEnables or disables UEFI Boot options. The Boot options include IPv4 PXE and IPv6 PXE.This option is set to IPv4 by default.Note: This option is enabled only if the boot mode is UEFI.Choosing the system boot modeSystem Setup enables you to specify one of the following boot modes for installing your operatingsystem:l BIOS boot mode (the default) is the standard BIOS-level boot interface.l Unified Extensible Firmware Interface (UEFI) boot mode is an enhanced 64-bit boot interface.If you have configured your system to boot to UEFI mode, it replaces the system BIOS.1. From the System Setup Main Menu, click Boot Settings, and select Boot Mode.2. Select the boot mode you want the system to boot into.CAUTION Switching the boot mode may prevent the system from booting if the operatingsystem is not installed in the same boot mode.3. After the system boots in the specified boot mode, proceed to install your operating systemfrom 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 theBIOS boot mode.Note: For the latest information about supported operating systems, go to Dell.com/ossupport.Changing the boot orderYou may have to change the boot order if you want to boot from a USB key or an optical drive. Thefollowing instructions may vary if you have selected BIOS for Boot Mode.Procedure1. On the System Setup Main Menu screen, click System BIOS > Boot Settings.Pre-operating system management applicationsDell PowerEdge R430 Owner's Manual 59
