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Unable to boot from live dvd to desktop

I had acquired a Dell computer from work which has Windows 10 on it.  It is a BIOS based PC not UEFI. When trying to boot the pc using the live dvd of Artix that I had created it produced the following error:
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mounting '/dev/disk/by-label/ARTIX_201810' to ' run/artix/bootmnt'
Waiting 30 seconds for device /dev/disk/by-label/ARTIX_201810 ...
ERROR /dev/disk/by-label/ARTIX_201810' device did not show up after 30 seconds
Falling back to interactive prompt
can't access tty; job control turned off

I know that ARTIX_201810 is the name of the disk label. When using the command
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ls /dev/disk/by-label
no file or directory called ARTIX_201810 exists only live-uefi live-usb System Windows 

Re: Unable to boot from live dvd to desktop

Reply #1
I think there are 2 boot options at GRUB? Boot from CD/DVD/ISO and boot from Stick/HDD or something? Have you tried both?
If so, make sure some other BIOS settings are not preventing Artix live medium from booting. Have you tried with dd'ing the ISO image to a usb stick?

Re: Unable to boot from live dvd to desktop

Reply #2
When the Dell splash screen comes up you could use F12 to get a boot menu.  If a valid cd/dvd medium is found it will be on the list of disks, hdd, ch/dvd, usb, etc.  If you select the dvd and it is not booting then the image is not written correctly.  If options don't come up with F12 that means bios is preventing you to boot from external media.
There may be more than one options on bios to allow boot from media other than HD, one for prioritizing boot CD/USB/HDD but different editions of bios have different arrangements.

How are you running "ls"  if it is only windows on?
What about ls /dev/disk/by-uuid  will that give you more disks?  If the disk doesn't have a label it will not show up in "by-label"

Re: Unable to boot from live dvd to desktop

Reply #3
If you are coming from windows i hear the program Etcher is quite good at copying iso files to usb.

https://www.balena.io/etcher/

Re: Unable to boot from live dvd to desktop

Reply #4
Update:

Have sinced swapped the hard disk with the one I had used previously on another PC that died. The previous hard disk had already had installed a copy of Artix Linux alongside Windows 7. I am now running Artix on this Dell pc.  Windows 7 won't boot though, I'm thinking because Windows has detected different hardware.  The Windows 7 repair disk that I had created many months ago doesn't work.  Not sure that I want to fix Windows 7, but the best way is to re-install it making sure that I back up everything first.

Anyone know of a snapshot utility that I can use for both the Artix partition and Windows partition?

Re: Unable to boot from live dvd to desktop

Reply #5
I've used clonezilla to transfer a windows installation to another disk, successfully. It's free, open-source and supports many operating systems.

Re: Unable to boot from live dvd to desktop

Reply #6
If your artix is in a large partition that has lots of free space you can shrink it to like 110% of used.  Then I use dd and bzip2 to make an image. 
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# dd bs=4M if=/dev/sdx** | bzip2 -9f >/yourbackupdirectory/backupimg.img.bz2 ; sync
  
but you have to boot from a different system to backup the partition.  When you restore you have to make sure the partition is equal or larger than what you backed up. 
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# bunzip2 </yourbackupdirectory/backupimg.img.bz2 | dd of=/dev/sdy** ; sync
sdx** is your source partition name sdy** will be your target for restoring. 
Run a check on the partition when you finish so the remaining free space of the partition will be formatted properly.  The UUID remains the same, but grub will have to be reconfigured if say it came from sda3 and now it is on sdb6. 
Also if you used fstab to mount other partitions on that disk you have to comment them out as they might not appear on the new disk and you will run into booting errors.
This should be done either in root shell or you have to add sudo in front of dd.
This is what I have used for years and it has been 100% reliable for me.