So I recently deleted Linux because it was too addicting to me, and accidently locked 300gigs of my drive away.

I don’t know what I did but I must’ve messed up somehow while deleting the distro, so now I only have 700 gigs of my total 1tb of disk space left, when I try to merge the other unallocated 300gigs of space back to the drive, it says “there’s not enough space in the disk(s)”. Anyone willing to help? here are the...