Specifies the boot parameters for the entry. Represents the boot entry in the boot menu. This is not the EFI boot entry ID, which is a persistent identifier for the EFI components. This value changes when you reorder the boot entries. It is comprised of one or more boot entries for each operating system or bootable program installed on the computer.Ī boot entry is a set of options that defines a load configuration for an operating system or bootable program. Identifies the boot entry that was used to start the current session of the operating system.Ĭontains system-specific data. Specifies the location of the default operating system. When this value expires, the boot loader loads the default operating system. FieldĬontains options that apply to all boot entries.ĭetermines how long the boot menu is displayed. The following table describes the elements of the Bootcfg display of boot data in EFI NVRAM. OsFilePath: \Device\HarddiskVolume3\WINDOWS OsLoadOptions: /debug /debugport=COM1 /baudrate=57600īootFilePath: \Device\HarddiskVolume1\EFI\Microsoft\WINNT50\ia64ldr.efi OS Friendly Name: Windows Server 2003, Enterprise The following sample shows a Bootcfg display of a computer with an Itanium processor. The Bootcfg tool discussed in Editing Boot Options in EFI allows you to view and edit the boot options in EFI NVRAM. The system-specific variables comprise a boot entry for each configuration of a bootable device or bootable program on the computer. Globally-defined variables that apply to all bootable devices and bootable programs on the computer.īoot option variables that apply only to a particular load configuration of a bootable device or program, such as an operating system. Click the Apply and OK buttons and you are done.Like the boot options on a system with BIOS firmware, there are two types of boot options in EFI NVRAM: Then tick the check box Make all boot settings permanent. On the boot tab, configure the Timeout option. Press Win + R and type msconfig in the Run box. Press the Settings button in the Startup and Recovery section on the Advanced tab.Ĭhange the Time to display list of operating systems option to the desired value:įinally, you can use the built-in msconfig tool to change the boot timeout. Type the following into the text box and press Enter: SystemPropertiesAdvancedĪdvanced System Properties will open. The Run dialog will appear on the screen. Press Win + R keys together on the keyboard. The classic System Properties applet can be used to configure the boot timeout using the GUI. The default operating system will start instantly. Note: Using 0 seconds will eliminate the boot timeout period. For example, if you want to set the boot timeout to 1 minute, execute the command bcdedit /timeout 60 The new_timeout_value specifies seconds from 0 to 999. Open an elevated command prompt and type the following command: bcdedit /timeout new_timeout_value If you are not happy with the three pre-defined options in the timer, you can set a custom value with the built-in console utility "bcdedit". Tip: You can boot Windows 10 into Advanced Startup Options, and pick the item Use another operating system. Set a new timeout value to set how long the user must wait before the default OS boots automatically.On the next page, click Change the timer.Right in the boot menu, click the link Change defaults or choose other options at the bottom of the screen.To change the boot menu timeout in Windows 10, do the following. You might want to change this timeout to some other value. After this period of time, if the user has not touched the keyboard, the default operating system will be started. In a dual boot configuration, the modern boot loader shows a list of all installed operating systems for 30 seconds.
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