Not a particularly happy bunny here

Attempted to transfer some more stuff onto my Kindle Paperwhite 10th generation, and Calibre keeps dumping IO errors.
Looking in the Windows error logs, and it keeps complaining about bad blocks and IO errors.
Chkdsk has frozen at 83%
Terminal?
Really irritating thing is that it's only 2 years old, and not bought from Amazon either.....
(Kobo died during Covid, and near impossible to get hold of anything)