The easiest way to fix it is on windows. The fact that it sees it and asks to format it is actually good. Do this: (1) start --> run --> cmd (2) in the cmd window type chkdsk /f #: where the # is the drive letter of your usb disk. For example: chkdsk /f h: Worked great for many of my various usb sticks that have gone up the creek as well as my other clients and its free. Best David On 2/28/2017 5:38 PM, Ed Bride wrote: > Last year, I had the same problem with a portable hard drive, which a photographer had formatted for Mac (in fact, I think he formatted it for both Mac and Windows). I couldn't read anything on my Windows machine. Must have spent an hour with the Seagate help desk, to make the drive usable again. They recommended that it just be formatted for Windows, and that the photographer convert the photos before reloading them on my drive. Fortunately, he doesn't delete anything, so he was able to re-load in a format that I could read. > > This isn't exactly your situation, but it is similar. If you re-format the card, will you lose the photos (as I did)? Perhaps a computer store can copy them onto a new medium...even a flash drive that is only formatted for your reader....? > > Ed Bride > > > -----Original Message----- > From: hidden-discuss-bounces at lists.hidden-tech.net [mailto:hidden-discuss-bounces at lists.hidden-tech.net] On Behalf Of Steven D. Brewer > Sent: Tuesday, February 28, 2017 4:31 PM > To: Hidden-Tech Listserv > Subject: [Hidden-tech] Unreadable SD Card > > A colleague has a 16GB SD card that, when inserted, no longer shows a recognizable filesystem (it asks you to format it on both Windows and Mac). Does anyone have any suggestions for how to recover data? These are vacation photos: probably not worth a lot of money, but of significant sentimental value. > > Thanks! > > -- > Steven D. BREWER <sbrewer at bio.umass.edu> http://www.bio.umass.edu/biology/about/directories/faculty/steven-d-brewer > Senior Lecturer II; Director, Biology Computer Resource Center Vespero lacigas, mateno freŝigas. > _______________________________________________ > Hidden-discuss mailing list - home page: http://www.hidden-tech.net Hidden-discuss at lists.hidden-tech.net > > You are receiving this because you are on the Hidden-Tech Discussion list. > If you would like to change your list preferences, Go to the Members > page on the Hidden Tech Web site. > http://www.hidden-tech.net/members > > _______________________________________________ > Hidden-discuss mailing list - home page: http://www.hidden-tech.net > Hidden-discuss at lists.hidden-tech.net > > You are receiving this because you are on the Hidden-Tech Discussion list. > If you would like to change your list preferences, Go to the Members > page on the Hidden Tech Web site. > http://www.hidden-tech.net/members -- -- ============================================ David Korpiewski Software Specialist II Department of Computer Information and Computer Science 413-545-4319 ============================================