Use Bootrec.exe in the Windows RE to troubleshoot startup issues
When you use the Recovery Environment (Windows RE) to troubleshoot startup issues, first try the Startup Repair option in the System Recovery Options dialog box. If this does not resolve the issue, or if you have to manually troubleshoot additional issues, use the Bootrec.exe tool.
How to perform a clean boot in Windows - Microsoft Support
To return your computer to a normal startup, follow the steps in the section, Reset the computer to start normally after clean boot troubleshooting. If the installation or uninstallation still fails, that means this issue is not caused by interference from a service or an app.
Startup Repair - Microsoft Support
Startup Repair is a Windows recovery tool that can fix certain system problems that might prevent Windows from starting. It scans your computer for the problem and then tries to fix it so your computer can start correctly.
Windows recovery environment - Microsoft Support
Learn about Windows RE, how to access it, and the different tools it offers.
Recovery options in Windows - Microsoft Support
Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.
Windows Startup Settings - Microsoft Support
Here's a list of startup settings that you can choose from. To select one, use the number keys or function keys F1-F9: Enable debugging. Starts Windows in an advanced troubleshooting mode intended for IT professionals and system administrators. Enable boot logging.
System Configuration Tools in Windows - Microsoft Support
Windows provides a variety of configuration tools tailored to meet the needs of different users. These built-in tools facilitate your device's customization and monitoring, allowing you to change Windows' configuration to suit your preferences and requirements with precision.
Backup, restore, and recovery in Windows - Microsoft Support
PC-to-PC transfer helps you move your files, settings, and preferences from one Windows device to another - no external drives or USBs needed. It's built to get you up and running fast while keeping your familiar experience intact, whether you're switching devices or upgrading.
Reinstall Windows with the installation media - Microsoft Support
By booting from the installation media and selecting the appropriate recovery options, you can restore your system to a stable state without the need for a complete wipe. In cases where a fresh start is required, the installation media can be used for a new installation of Windows.
Use the System File Checker tool to repair missing or corrupted system ...
When critical Windows system files are missing or corrupted, your operating system may begin to malfunction. Common symptoms include Windows features not working properly, system errors, or Windows becoming unresponsive or freezing.