Hello IcarusFell05,
Thank you for reaching out to the Microsoft Community and I'll be glad to assist you today.
Yes, in this situation, you will need to use the Windows 11 Bootable Installation media drive to reinstall Windows on your hard drive.
Could you please let me know at which part of the installation process you are experiencing the issue? If possible, could you provide us with a screenshot?
Windows 11 Clean installation process-
https://www.microsoft.com/en-us/windowsinsider/...
Best regards,
Gunasekar N