How to Remove Windows Boot Manager

Windows 8.1 features a Boot Manager that gives you the option to select from multiple operating systems at system startup, but the choice between manually selecting your OS or enduring a 30-second wait at every boot may not appeal to you, especially since removing your secondary operating system may not prevent Boot Manager from appearing. You can't actually remove Windows Boot Manager without affecting your Windows installation, but you can stop it from delaying your boot process by turning off the 30-second timeout value from the Startup and Recovery panel.

Step

Press “Win-X” to open the Power User menu, then click “System.” On the left side of the window, click “Advanced System Settings” to open the System Properties box.

Step

Click the “Advanced” tab, then click “Settings” under Startup and Recovery.

Step

Use the pull-down menu under Default Operating System to select your preferred OS.

Step

Uncheck the box next to “Time to Display List of Operating Systems” to prevent the Boot Manager from showing at computer startup. You can also enter zero seconds into the field next to “Time to Display List of Operating Systems” to achieve the same result. Alternately, to reduce the delay but still show Boot Manager, simply enter a number less than 30.

Step

Click “Apply,” then “OK” to save the changes. Your computer will now directly boot you into the OS that you set as the default the next time you start your computer.