Dell PowerEdge R760 Installation and Service Manual - Page 61
Choosing system boot mode, Changing boot order, Table 55. Boot Settings details
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Table 55. Boot Settings details Option Boot Mode Description Enables you to set the boot mode of the system. If the operating system supports UEFI, you can set this option to UEFI. Setting this field to BIOS allows compatibility with non-UEFI operating systems. This option is set to UEFI by default. CAUTION: Switching the boot mode may prevent the system from booting if the operating system is not installed in the same boot mode. NOTE: Setting this field to UEFI disables the BIOS Boot Settings menu. Boot Sequence Retry Enables or disables the Boot sequence retry feature or resets the system. When this option is set to Enabled and the system fails to boot, the system re-attempts the boot sequence after 30 seconds. When this option is set to Reset and the system fails to boot, the system reboots immediately. This option is set to Enabled by default. Hard-disk Failover Enables or disables the Hard-disk failover. This option is set to Disabled by default. Generic USB Boot Enables or disables the generic USB boot placeholder. This option is set to Disabled by default. Hard-disk Drive Placeholder Enables or disables the Hard-disk drive placeholder. This option is set to Disabled by default. Clean all Sysprep variables and order When this option is set to None, BIOS will do nothing. When set to Yes, BIOS will delete variables of SysPrep #### and SysPrepOrder this option is a onetime option, will reset to none when deleting variables. This setting is only available in UEFI Boot Mode. This option is set to None by default. UEFI Boot Settings Specifies the UEFI boot sequence. Enables or disables UEFI Boot options. NOTE: This option controls the UEFI boot order. The first option in the list will be attempted first. Table 56. UEFI Boot Settings Option UEFI Boot Sequence Boot Options Enable/Disable Description Enables you to change the boot device order. Enables you to select the enabled or disabled boot devices Choosing system boot mode System Setup enables you to specify one of the following boot modes for installing your operating system: ● UEFI boot mode (the default), 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 UEFI boot mode you want the system to boot into. CAUTION: Switching the boot mode may prevent the system from booting if the operating system is not installed in the same boot mode. 3. 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. Pre-operating system management applications 61
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