Originally Posted by
YannBuntu
Just to be sure:
- currently, you cannot boot your installed Ubuntu at all?
- the only way you can access an Ubuntu session is to boot the LiveCD (disc or USB) in Legacy mode, which means that before accessing Ubuntu you always see the "Try Ubuntu" menu below?
Correct! -- though with the additional note that I haven't seriously tried to boot the hard drive in Legacy mode, i.e. I didn't install GRUB to the MBR (for fear that it would mess up EFI booting). I'm pretty sure that it would work, since it does for the LiveCD, but I've focused on trying to find the problem with the UEFI boot.
Originally Posted by
oldfred
If you have grub menu you should be able to press e on Linux entry and see your boot stanza. Then on linux line remove quiet splash
which is the very first thing I did when I saw it freeze for the first time. "Recovery mode" also does away with those two options.
COMPARISON OF GRUB MENU'S BOOT OPTIONS
I'll call them:(the last two being under the "advanced options" submenu)
Advanced is the same as the default Ubuntu except for the addition of informational displays ("echo") before the two commands that actually do the deed:
echo 'Loading Linux 3.5.0-17-generic ...'
linux /boot/vmlinuz-3.5.0-17-generic root=UUID=9b6d6c36-e799-4071-97a9-6a79e0b957a2 ro quiet splash $vt_handoff
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.5.0-17-generic
Recovery differs from Advanced only in the parameters:
Advanced:
linux /boot/vmlinuz-3.5.0-17-generic root=UUID=9b6d6c36-e799-4071-97a9-6a79e0b957a2 ro quiet splash $vt_handoff
Recovery Mode:
linux /boot/vmlinuz-3.5.0-17-generic root=UUID=9b6d6c36-e799-4071-97a9-6a79e0b957a2 ro recovery nomodeset
So the parameters are pretty much mutually exclusive between these two options.
Reminder: full text of grub config @ http://paste.ubuntu.com/1384377/
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