cgsecurity.org

Christophe,

I did as you indicated and I believe the result is that something with the boot sector isn't right, and I don't see "Repair FAT" as a choice. I believe the most relevant info from the log file is this from the end:

Boot sector
Warning: number of heads/cylinder mismatches 249 (FAT ...

Christophe, thanks for trying to help this user that clearly has little understanding of how these things work. I just reran TestDisk and choose Intel but I'm confused about this 'select the partition'. What I got was to a selection of "Quick Search" and "Backup" and I choose QuickSearch. But this ...

I went ahead and continued and did the choice of Write, but after a few minutes I received the following message from TestDisk:

Write error: Can't write new FAT boot sector

Yes, I have a 2nd USB flash drive that is unreadable. The first is in the thread "rehabbing a flash drive" that is still unresolved, but I want to start this new thread on this different unreadable stick drive.

(and I've corrected poor form on my part by contributing to Mr. Grenier's donation fund ...

I'm going to re-start the PhotoRec to get the hopefully almost 7 GB of files over the weekend, then try to fix this drive from advice on this site on Monday!

When I fire up TestDisk and choose the first place the flash drive shows in the list below (/dev/disk6):

Hard disk list
Disk /dev/disk0 ...

Ok, I've started running TestDisk again with sudo. Note, early on the output says this drive can't be written to, but I continued on. Here is what the log file says up to this point of the run (which I haven't completed yet as I don't want to misstep!):


Thu Sep 12 10:57:52 2013
Command line ...

I might have quit the program as I was not sure about which step to take next. But I can't quite remember. I'm trying to recover files from it now, so when that is done I'll rerun TestDisk as root. Then post the log file again.

(love the kitty/duck pic Fiona, grin)

Here is the log file:


Wed Sep 11 09:10:12 2013
Command line: TestDisk

TestDisk 6.14, Data Recovery Utility, July 2013
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
OS: Darwin, kernel 8.11.0 (Darwin Kernel Version 8.11.0: Wed Oct 10 18 ...

I smile as I find myself again using TestDisk/Photorec. A few months ago Photorec saved my bacon when I 'lost' some photos on a SD card.

The other day I was backing up an older 8 GB flash drive (FAT32?) on my OS X 10.5.x machine using Disk Utility by creating a disk image. This is something I had ...