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Konqueror / Dolphin: They show my USB drive on screen but cannot mount it

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    #1

    Konqueror / Dolphin: They show my USB drive on screen but cannot mount it

    Well, ever since I mounted a second NTFS partition on a third hard disk I've been having troubles with auto-mounting of USB drives in Kubuntu. I removed the third hard disk some time ago and for some reason I didn't use any flash drive for a while. Now that I want to use it to store any new data, both Konqueror and Dolphin cannot auto-mount it as expected. What can I do now guys?

    The error message I get is...

    without typing kdesudo dolphin on konsole:

    An error occurred while accessing '[flash drive]', the system responded: only root can mount /dev/sdc1 on /media/Name_of_partition.

    after typing kdesudo dolphin on konsole:

    An error occurred while accessing '[flash drive]', the system responded: NTFS signature is missing.
    Failed to mount '/dev/sdc1': invalid argument
    The device '/dev/sdc1' doesn't have a valid NTFS.
    Maybe you selected the wrong device? Or a whole disk instead of a
    partition (e.g. /dev/hda, not /dev/hda1)? Or the other way around?

    Edit:

    And device notifier doesn't even show anything... But Dolphin does...
    Multibooting: Kubuntu Noble 24.04
    Before: Jammy 22.04, Focal 20.04, Precise 12.04 Xenial 16.04 and Bionic 18.04
    Win XP, 7 & 10 sadly
    Using Linux since June, 2008
    Tags: None
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    #2
    Re: Konqueror / Dolphin: They show my USB drive on screen but cannot mount it

    I assume you run the KDE4.2 desktop.

    My desktop is the KDE4.2 standard and as such does not show any icons.
    On the default panel is a widget for external devices called the 'Device Notifier' and when I click it there is a chance to mount the USB disks.
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      #3
      Re: Konqueror / Dolphin: They show my USB drive on screen but cannot mount it

      Well, thanks, I tried it but to no avail. Later I entered...

      Code:
      kdesudo kwrite fstab
      ...and deleted the line were the third hard disk was mentioned. I also mounted the USB drive manually...

      Code:
      sudo mount /dev/sdc1
      Now I can take a look at my flash drive right on Dolphin but now there's another problem... I can't unmount it or safely remove it, it shows an error message, I have to unplug so I can see how it disappears on Dolphin's Places...

      I must also admit that even if I can check my flash drive contents, now I do see hidden files that an average user like me shouldn't ever see because they're part of the USB drive system...

      What can I do now?
      Multibooting: Kubuntu Noble 24.04
      Before: Jammy 22.04, Focal 20.04, Precise 12.04 Xenial 16.04 and Bionic 18.04
      Win XP, 7 & 10 sadly
      Using Linux since June, 2008
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        #4
        Re: Konqueror / Dolphin: They show my USB drive on screen but cannot mount it

        /etc/fstab is really meant for internal (fixed) drives.
        The USB drives are usually automatically entered into /etc/mtab, it should not be edited by hand.

        I assume the error message tells you only root can unmount?
        In that case, use the sudo command.
        If not, share the message!

        I'm a bit confused by your last remarks, first you seem to imply you can now access or at least see the contents of the USB drive and next you seem to be surprised by what you see?
        Linux 'hidden' files and directories have a leading dot in their name and in both Konqueror and Dolphin you can toggle their visibility by the keys Alt+.

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          #5
          Re: Konqueror / Dolphin: They show my USB drive on screen but cannot mount it

          I wasn't able to see stuff like that ever before... A screenshot might explain it better than words...



          I shouldn't be able to find those files / folders there but now I can see that recycler folder and several files like 2fiy.bat, autorun.inf and cv22.cmd...
          Multibooting: Kubuntu Noble 24.04
          Before: Jammy 22.04, Focal 20.04, Precise 12.04 Xenial 16.04 and Bionic 18.04
          Win XP, 7 & 10 sadly
          Using Linux since June, 2008
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            #6
            Re: Konqueror / Dolphin: They show my USB drive on screen but cannot mount it

            I'd be surprised if these weren't Microsoft viruses

            They shouldn't affect your Linux system yet theoretical it is possible to run some windows programs and thus viruses through wine.

            If you're really interested run a virus scanner otherwise just delete this junk.
            But be aware, where this came from there'll be more

            This type of virus replicates by a well publicised stupidity in Microsoft (they call it a 'feature'), the auto execute of .inf files on external media.

            It is possible to run the TrendMicro offline scanner from wine inside Linux:
            http://www.freecomputerconsultant.com/sysclean.html
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              #7
              Re: Konqueror / Dolphin: They show my USB drive on screen but cannot mount it

              Well, this is the error message it shows now that I can't unmount it...

              org.freedesktop.Hal.Device.Volume.Busy: umount /media/my_USB: devices is busy.

              I'll try to scan it for viruses, too...
              Multibooting: Kubuntu Noble 24.04
              Before: Jammy 22.04, Focal 20.04, Precise 12.04 Xenial 16.04 and Bionic 18.04
              Win XP, 7 & 10 sadly
              Using Linux since June, 2008
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                #8
                Re: Konqueror / Dolphin: They show my USB drive on screen but cannot mount it

                You might want to look at this page:
                http://www.linuxquestions.org/questi...948/page2.html
                Especially what is written about the user needing to be a member of plugdev. (K-menu/System/Kuser)
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                  #9
                  Re: Konqueror / Dolphin: They show my USB drive on screen but cannot mount it

                  I checked that as suggested but I was already included in plugdev group. (I just forgot to include the other users on my machine he he he.) So that wasn't the problem here. What should I do next?

                  Btw, I noticed that the USB drive icon changes while being mounted, when Dolphin finds it, it shows a normal flash drive icon, but later it'll show some gauge or progress bar beneath while mounted. I think that's weird, it never happened before I had this problem with auto-mounting removable media...
                  Multibooting: Kubuntu Noble 24.04
                  Before: Jammy 22.04, Focal 20.04, Precise 12.04 Xenial 16.04 and Bionic 18.04
                  Win XP, 7 & 10 sadly
                  Using Linux since June, 2008
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                    #10
                    Re: Konqueror / Dolphin: They show my USB drive on screen but cannot mount it

                    Originally posted by kyonides
                    Well, this is the error message it shows now that I can't unmount it...

                    org.freedesktop.Hal.Device.Volume.Busy: umount /media/my_USB: devices is busy.

                    I'll try to scan it for viruses, too...
                    This means that you have the drive open. It might be open in a File Browser or you may have cded to that directory. Close anything that has it open and try again.
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