Please give us some statistics.
Right click on the Drive from the left in Windows Explorer and select Properties.
What are the values for Used Space and Free Space?

Is there a Recycle Bin associated with that drive?
Right-click on the Recycle Bin icon on the desktop, and select Properties. Is that drive in the list?


BIAB & RB2025 Win.(Audiophile), Sonar Platinum, Cakewalk by Bandlab, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Kontakt, Focusrite 18i20, KetronSD2, NS40M Monitors, Pioneer Active Monitors, AKG K271 Studio H'phones