Delete Second Operating System Windows Vista

How to Delete Two Operating System Choices on Startup. When two operating systems are detected, Windows may provide multiple boot options at startup. Comstock/Comstock/Getty Images. Upon booting up, Windows may offer you multiple operating systems from which to choose. This may occur because you previously used multiple operating systems or because of a mistake during an operating system upgrade. Previously, Windows used a simple text file to create these boot options; however, the latest Window operating systems require the modification of the bootmgr. You can either stop the boot loader from displaying a list through Windows’ settings or download a third- party program to delete the entry.

Booting Without Displaying Options. Open the Control Panel by pull open the search bar, typing “control panel,” tapping or clicking “Apps” and selecting . You can open the search bay by swiping from the right or bringing your mouse pointer to the upper right corner, then downward.

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Type “System” into the control panel search bar, and select “View Advanced Settings” in the resulting list. This will bring up the . Click the “Settings” button to the right of the words “Startup and Recovery. Click on the drop- down box next to “Default Operating System.” Select the operating system you wish to boot on startup, such as “Windows 8 Home.”5. Uncheck the box labeled “Time to display list of operating systems.” Click the OK button and reboot to ensure that the settings have taken effect. Delete Boot Option with BCDedit.

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Pull open the search bar by swiping from the right or bringing your mouse pointer to the upper right corner, then downward. Type “Cmd” in the search bar, and click “apps” that appears below. Right- click on the entry that says “command prompt,” and then left- click on “Command Prompt (Admin).”4. Write or copy the alphanumeric string to the right of “identifier” for the entry you wish to delete. Type the command “BCDedit /delete . Repeat this command for any other entries you wish to remove. Tip. Third- party programs can be downloaded to provide an easy- to- use interface for modifying and deleting entries within the boot manager (see Resources for an example).

Warning. Once a boot option is fully deleted, it is difficult to re- enable that option. If you might use the secondary operating system in the future, consider following the first set of directions. About the Author. Jacob Andrew previously worked as an A+ and CCNA- certified technology specialist. After receiving his BA in journalism from the University of Wisconsin, Madison in 2. Photo Credits. Comstock/Comstock/Getty Images.

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