How Do You Fix Windows Boot After Removing Linux?

How do I get my Windows bootloader back?

Automatic Windows Bootloader Recovery

1. Try to boot your device from the recovery disc or installation Windows 10 media;
2. On the installation screen, click the Restore System;
3. Then select Troubleshoot -> Startup Repair and select the OS whose bootloader you want to try to recover;

How do I fix grub after deleting Linux partition?

Solution:

1. Turn on laptop and boot into Ubuntu OS.
2. Launch the command Terminal(Ctrl+Alt+T) from Ubuntu.
3. Type in the command in the terminal window: sudo update-grub.
4. Hit Enter Key.
5. Type in your sudo password when prompt to execute your command.