I would suspect you need a specialist application to sort this, thing is, when you plug in a disk drive, the system uses information from the first sector to identify the drive and its size. You get a similar problem when you zero out an entire hard disk, and there the solution is to manually enter into the bios the hard drive.
What I suspect has happened in your case, is a wrap around when writing to drive has overwritten the first sector. Jamie On Sun, May 28, 2017 at 10:54 AM, Pascal Hambourg <pas...@plouf.fr.eu.org> wrote: > Le 26/05/2017 à 23:06, Martin McCormick a écrit : > >> I have a 128 GB thumb drive which has been sitting in a >> drawer for 2 or 3 years because it is not completely dead but had >> a traumatic event. >> > (...) > > The drive is dead. The controller is still responding but the storage part > is gone. Don't waste any more time with it. > > -- Jamie