Could you please add the output of `tail -n 70 /var/log/syslog`? (This command will print the last 70 lines of your system log.)
– Andrea CorbelliniAug 19 '14 at 15:32
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possible duplicate of [Unable to format USB drive with Disks (udisks-error-quark, 0)](http://askubuntu.com/questions/377253/unable-to-format-usb-drive-with-disks-udisks-error-quark-0) and also see [this post](http://itsfoss.com/how-to-format-a-sd-card-or-usb-drive-in-ubuntu-12-10/)
– αғsнιηAug 19 '14 at 15:36
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I can see that the drive is not mounted. Maybe you should mount it first.