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Symptoms:

  • I cannot mount a DVD
  • MakeMKV Failed to get full access to drive . Make sure that you either have write access to device "dev/sr2, are member of "cdrom" group or have CAP_SYS_RAWIO enabled
  • Attempts to manually mount DVD leads to "mount: /mnt/cdrom: no medium found on /dev/sr1."

What I have tried:

  • CD works fine
  • Replaced DVD drive
  • Made sure my user was part of cdrom
  • DVD works fine in OS X
  • Manually mounting the drive
  • Reinstalling 18.04
  • Installing necessary codecs

Any help would be appreciated.

Running groups returns: <myusername> adm cdrom sudo dip plugdev lpadmin sambashare

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  • Which order did you do all these things in? What were the actual results of each? What does lshw say about it? – waltinator Dec 29 '19 at 2:15
  • Also, please edit your question and add the output of the command groups from a terminal window. It should show if you are part of the cdrom group or not. – Terrance Dec 29 '19 at 4:32
  • @waltinator lshw shows the this – smykes Dec 31 '19 at 20:03
  • Please edit your post to include new info. Data at the far end of a link doesn't get indexed by AskUbuntu, has a lifetime unconnected to the lifetime of the Question, and helps no future users. – waltinator Dec 31 '19 at 23:57
2

I had the same error message.

In my case, I installed makemkv in Ubuntu by using snap (i.e. by using the Ubuntu Software Store).

To solve the problem, I went into the snap store, clicked on "Installed", scrolled down to the makemkv item, clicked on it, clicked on "Permissions", turned on both of the "Read from CD/DVD" buttons (there were two for me, probably because I have two DVD drives).

I also turned on "Read/write files on removable storage devices" although that may not have been needed.

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