Throw away or try to restore?

Question

DVD

Discs are visually recorded. DVD-R (by TEAC)
But on both PCs they are read as completely empty (some are displayed as completely free, some have no information, but when clicked, the "Burn disc" window is displayed)
Recuva gives an error "cannot determine the type of file system"
DMDE:

DurableCopy,infinadyne - no result

Answer 1

throw away in Japanese

Answer 2

In Uzbek,
demagnetize.