If Windows 11/10 shuts down instead of restarting when you press the Restart button, check Power button options and settings and then follow these solutions.

Whenever you feel the need to restart or shut down your computer from a remote location, try these tools to see if they work. Use Remote Desktop Connection Restart using Windows PowerShell Restart ...

On Windows 10, there is also the option to Change Password ... Windows do not know is the inclusion of a secret "Emergency Restart" option hidden in plain sight on the CTRL+ALT+DEL screen.

Then, finally, Reset your PC if nothing works. Restart is the most used option on Windows after the shutdown. Whenever we make changes in Windows settings, install programs, install updates ...