When I use a bootable Ubuntu USB, it works as intended. But when I download the ISO and use burn disc get myself a DVD. When I boot from it, I get this error and then taken to GRUB ( my testing machine already have Ubuntu ).
Once I get into Ubuntu, I can see the drive mounted with label " Ubuntu ". It works like a mounted drive all fine @01101111
I just tried. LAN boot is the 6 th priority. I didn’t see any option to turn it off. I set CD/DVD as 1st priority and even chose it from boot option. Next, I let it go so that CD/DVD is boot priority number one and it will boot from it. But no, it went to HDD/GRUB
I dwonloaded it too, and it boots fine with Virtualbox.
I suspect something wrong with the image or the burn process.
There’s an md5 hash for the image, if you check it, is it OK?
Can you try to burn it with another program, say K3B?
I’m not sure what Ubuntu does with this method?
If you look at the disc in a running system, do you see many files on it? Or just one big…
Do yo have another machine, with a different BIOS?
See if you disc seems bootable there?
I don’t think your real problem is the machine can’t boot from LAN. Exiting PXE just means that an attempt to boot from LAN was failed.
Your real problem is that your BIOS reaches LAN boot in the sequence, because other boot devices already failed.
I’m not sure why it can’t boot from the HDD?
So make sure I understand correctly:
boot order: 1. DVD 2. HDD … n. LAN
You insert the disc, and get the n. LAN boot error.
You leave the optical drive empty, then the machine boots properly [2.HDD]