Q:

Why is my pc booting in recovery mode?

My computer currently will only boot into recovery mode while it was fine the last time I used it.  I ran journalctl -xb and in red it says

Failed to mount /media/cdrom/auto.  (It says this twice)
  Name server cannot be used: temporary failure in name resolution (-3)

I am a bit lost on what to do as I have only ever used linux before on my Raspberry PI...
so if anyone could help I would be very grateful.

A:

Please kindly and strictly follow these steps:

Boot computer into recovery mode
At the recovery mode type the following to mount your filesystem in read/write mode:
mount -o rw,remount /

WARNING DON'T IGNORE SPACES, COPY AND PASTE IF YOU MUST

Then get to the /etc/fstab for editing with:

nano /etc/fstab
Comment out any line with the mount instructions for directory /media by adding the # character at the beginning of that line
After the edit use the following commands to save and close the nano editor

Ctrl + o + ENTER
Ctrl + x

Now reboot the system.

