Because this functionality is limited, it is not discussed in this section. Bootcfg bootcfg. You can use Bootcfg to add, delete, and change the values of all valid boot options; however, you cannot set an indefinite time-out value. You can also use Bootcfg commands in a script or batch file to set boot options or to reset them after you replace or upgrade an operating system.
You must be a member of the Administrators group on the computer to use Bootcfg. For detailed instructions about using Bootcfg, see Help and Support Center. Nvrboot nvrboot. The first tasks include modifying your folder options so you can view hidden files, and then backing up the Boot.
This is a sample of the preceding Boot. Example of the line to select:. The default represents the operating system that will be loaded if no selection is made before the time-out occurs. The time-out represents the number of seconds you are allowed to select an operating system from the menu before the default operating system is loaded. Skip to main content.
Using the same Bootcfg commands and procedures, you can edit Boot. You can use Bootcfg to add, delete, and change all boot entry parameters and boot options; however, you cannot use it to set an indefinite boot time-out value. You can also use Bootcfg commands in a script or batch file to set boot options or to reset them after you replace or upgrade an operating system. Unlike manual editing, Bootcfg edits boot options without changing the protective attributes on Boot.
It also helps you avoid typing errors that might prevent the operating system from starting. You must be a member of the Administrators group on the computer to use Bootcfg. For detailed instructions about using Bootcfg, see Help and Support Center. You can use a text editor, such as Notepad, to edit Boot.
However, because this method is prone to error, use it only when Bootcfg is not available. Before you edit the Boot. You can also edit the Boot. The following is a sample of the same Boot.
In Notepad, select the line that contains information about the operating system that you want to remove, and then click Delete on the Edit menu. For example, select the following line:. The default operating system is the operating system that is started if no selection is made before the time-out occurs.
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