How To Fix Choose An Operating System |And Delete| Windows 10 br TCL Support Technical Tube br Provided BY... MD Monir br br br br This Channel. Technican Support & Electronic Product Help Tips Videos Upload, br YouTube Chaneel: TCL Support Technical br br 1.. Steps to Choose a Default Operating System to Run at Startup in Windows 10 br 1. First of all right click on Start Menu and go to Control Panel. br 2. Go to System and Security. Click on System. ... br 3. Go to Advanced tab. ... br 4. Under Default Operating System, you will find the dropdown box for choosing the default operating system. br br 2.. Choose an operating system problem windows 8.1 br Click the “Settings” button to the right of the words “Startup and Recovery," which is the third option down within the Advanced System Properties Window. 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.” br br 3.. Choose an operating system problem windows 10 br To Choose Default OS in Advanced Startup Options br br 1. While at startup, or after booting to advanced startup options, clicktap on the Change defaults or choose other options link at the bottom. (see screenshot below) br 2. Clicktap on Choose a default operating system. (see screenshot below) br 3. Clicktap on the OS you want to set as the default. (see screenshot below) br 4. Clicktap on back button. (see screenshot below) br 5. Clicktap on the OS you want to run. (see screenshot beloW br Operating System to Run at Startup - Choose Default in Windows 10 OPTION TWO Operating System to Run at Startup - Choose Default in Windows 10 br To Choose Default OS in Startup and Recovery br 1. Open the Win+X Power User Tasks menu, and clicktap on System. br 2. Clicktap on the Advanced system settings link on the left, and close the System window. (see screenshot below) br 3. Clicktap on the Settings button under Startup and Recovery. (see screenshot below) br 4. Select the OS (ex: Windows 10) you want as the default in the Default operating system drop down menu, and clicktap on OK. (see screenshots below) br 5. Clicktap on OK. (see screenshot below step 3) br Operating System to Run at Startup - Choose Default in Windows 10 OPTION THREE Operating System to Run at Startup - Choose Default in Windows 10 br To Choose Default OS in System Configuration (msconfig) br 1. Press the Win+R keys to open the Run dialog, type msconfig, and clicktap on OK to open System Configuration. br 2. Clicktap on the Boot tab, select the OS (ex: Windows 10) you want as the "default OS", clicktap on Set as default, and clicktap on OK. br 4.. Choose an operating system to start windows 7 br Click the “Settings” button to the right of the words “Startup and Recovery," which is the third option down within the Advanced System Properties Window. 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.” br br 5.. How to remove choose an operating system to start br Click the “Settings” button to the right of the words “Startup and Recovery," which is the third option down within the Advanced System Properties Window. 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. br br Let us know in the comment section below, or drop us a line on br br Web br YouTube Channel: www.youtube.comctclsupport br Dailymotion.comMonirTalks br Facebook www.facebook.comMonirTalks br Twitter www.twitter.comMonirTalks br Instagram www.instagram.comMonirTalks br Pinterest.comMonirTalks br LinkedIn.comMonirTalks br MonirTalk.Tumblr.com br Vk.comMonirTalks br Plus.Google.