How to recover windows after, user deleted linux partition

I have an old laptop in which, linux partition (ubuntu) was deleted and did not reset mbr, so as usual system went into grub rescue mode.

I have an ventoy disk that has win64 iso, i tried to fix it from there using bootrc /fixmbr, the operation was a success and then it can't recognise the bootable disk anymore.

Ofcourse since i have ventoy - multiple bootable USB, if i live boot into the ubuntu i can still read that files of the windows partition are there

How should i recover system back to windows from here, and remove linux partion completely.

In the terminal of windows (in repair mode i tried following command and i got following results)

1. bootrc /fixmbr - worked fine

2. bootrec /fixboot - this is giving - volume doesn't contain recognised file system, please make sure that all required file system drivers are loaded and that the volume is not corrupted

3. bootrec /scanos - here cant find any system either

Something went wrong with disk it appears.