How to fix scanning and repairing drive stuck issue on:
Run #Windows 10 in Safe Mode.
Press the Win + R key combo on your keyboard to open Run.
Enter “cmd” and press Shift+Ctrl+Enter to run Command Prompt in administrator mode.
Type in “chkdsk x: /f” (where “x” is the name of the drive you plan to scan and repair) andpress Enter.
https://ibmimedia.com/blog/163/how-to-fix-chkdsk-stuck-when-scanning-and-repairing-a-drive-on-windows