Configure a Firmware
Type
You can select the
firmware type of a virtual machine.
Make sure that you power off the
virtual machine beforehand.
The following firmware types
are available depending on the guest operating system.
If you select UEFI, depending on the guest operating
system, you might have the option of enabling UEFI Secure Boot. UEFI Secure
Boot secures the boot process by preventing the loading of drivers and
operating system loaders that are not signed with an acceptable digital
signature.
Option | Description |
---|---|
UEFI | Unified Extensible Firmware
Interface (UEFI) is an interface between the operating system and the platform
firmware. UEFI has architectural advantages over Basic Input/Output System
(BIOS) firmware. |
Legacy BIOS | Standard BIOS
firmware. |
- Select.
- Select a virtual machine in theVirtual Machine Librarywindow and clickSettings.
- Under Other in theSettingswindow, clickAdvanced.
- Select an option from theFirmware typemenu.If the firmware type is not selectable, look for an explanation and, possibly, instructions at the bottom of the dialog box.
- Once a guest operating system is installed, changing the firmware type might cause the virtual machine boot process to fail.
- If virtualization-based security (VBS) is enabled, the firmware type is set to UEFI and cannot be edited.
When you start the virtual
machine, it boots with the selected firmware configuration.