It's the EXT partition you need to label, not the entire disk - use /dev/sda1 for the first partition.
It will need a reboot for the humax application to display the change.thanks but that didnt work either, no error message this time
It will need a reboot for the humax application to display the change.
Ubuntu (or any other distribution) will not make any difference. Try an initial uppercase letter.
It worked for me when I tried it a few weeks ago. I think I may have had the drive unmounted though.