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Asked: 2024-09-27T00:09:30+05:30 In:

I’m having trouble accessing my CD drive on Ubuntu 18.04 LTS. The system is indicating that the special device /dev/sr0 is missing. Can anyone guide me on how to resolve this issue?

So, I’ve been having this super annoying issue with my Ubuntu 18.04 LTS system. I’ve been trying to access my CD drive to play some of my old music CDs, but it’s like the system is just pretending it doesn’t exist. I keep getting this error message that says the special device /dev/sr0 is missing. I mean, what gives, right?

I checked to make sure the CD is actually in the drive, and it is—I just can’t seem to get the system to recognize it. I thought maybe it was a hardware problem at first, so I did a little troubleshooting: checked the cables to make sure everything was connected correctly and even rebooted a couple of times. But still, nothing. It’s like my computer is just ignoring the drive altogether.

I even tried to look for it using the terminal. I ran a few commands to see if it would show up, but no luck. It’s not listed in the /dev directory, which is a major bummer. I’m not really a tech whiz, so I’m feeling a bit lost here. I looked around online and saw some folks mentioning that it could be a permission issue or something related to drivers, but honestly, it’s all a bit over my head.

Has anyone else faced this problem? I could really use some help here. It’s driving me crazy that I can’t access something that should just work. If it helps, I’m not really worried about data on the CD itself; I just want to be able to play some music without hassle. So, I guess my questions are: Is there a way to check if the drive is even detected by the system? And if it is detected, what can I do to actually access it? Any commands or settings I should be looking into?

Thanks in advance for any tips or guidance you can offer! I’d really appreciate any help because I miss my tunes!

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    2 Answers


    1. It sounds like you’re experiencing a frustrating issue with your CD drive on Ubuntu 18.04 LTS. To check if the system is detecting the drive, you can run the command lsblk in the terminal, which lists all block devices, including your CD drive. If you see sr0 in the output, that means the system recognizes the drive. If it’s not listed, you might have a hardware issue or a problem with the connections. Additionally, checking the output of dmesg | grep -i cdrom can provide clues regarding any errors the system encountered while attempting to access the CD drive during bootup. Also, ensure that your user has the necessary permissions to access the device; you can add your user to the cdrom group by running sudo usermod -aG cdrom $USER and then logging out and back in.

      If the drive is detected but still not functioning, there are a few troubleshooting steps to try. First, make sure that the drive is mounted properly. You can attempt to manually mount the drive with the command sudo mount /dev/sr0 /mnt to see if that resolves the issue. If you still encounter problems, consider checking if any additional drivers are needed for your CD/DVD drive. Sometimes, using a different media player can also help. For instance, try playing the CD with rhythmbox or vlc, as they can work better with optical drives. If all else fails, consider testing the drive on another computer to rule out hardware failure.



    2. It sounds super frustrating! I totally get why you’re going a bit crazy. Here’s a few things you can try to troubleshoot and see if your CD drive is being detected by the system:

      1. Check if the system recognizes your CD drive

      Open your terminal and run this command:

      lsblk

      This will list all the block devices (like hard drives and CD drives) connected to your system. Look for something like sr0 in the output. If you see it, the system recognizes the drive.

      2. Check for kernel messages

      You can also see if there are any messages related to your drive by running:

      dmesg | grep sr0

      This command will filter disk messages that might give clues about what’s going on with your CD drive.

      3. Install necessary packages

      If everything seems fine but you still can’t access the CD, you might need to ensure you have certain packages installed for media playback. You can use:

      sudo apt install ubuntu-restricted-extras

      This will give you the necessary codecs to play various media formats.

      4. Mount the CD manually

      If it still doesn’t show up, you can try mounting it manually. First, create a mount point:

      sudo mkdir /media/cdrom

      Then mount it with:

      sudo mount /dev/sr0 /media/cdrom

      After that, you can check if you can access your music by navigating to that directory!

      5. Check for hardware issues

      If you’re still having no luck, it might be worth checking if the drive works on another computer, just to rule out any hardware issues.

      6. Permissions issue

      Lastly, you can check permissions on /dev/sr0 by running:

      ls -l /dev/sr0

      You may need to be in the cdrom group to access the drive. You can add your user to the group with:

      sudo usermod -aG cdrom $USER

      Then log out and back in.

      Hopefully one of these steps helps you get to your CDs! Good luck!


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