I have three disks on my system, and one is a laptop disk that may be bad in a SATA enclosure hooked by USB 2. It is disk 1 in Windows (of disk 0, disk 1, and disk 2). I would love to run
CHKDSK on it but it seems to be only able to run on the primary disk or a drive letter.
The drive isn't showing up in Computer, because either is is bad or because the drive letters are the same as the primary disk (C: and D:).
Linux couldn't find disk either, and
gparted showed IO error on the device.
I'm trying to do all I can before either taking it to a professional or just tossing it.