Daniele, I didn't re-read the whole thread, but did you? At a time, the issue was said to be fixed for ubuntu installed over a BIOS MODE only, i.e. not over UEFI. Did you check this or do you already know you're in UEFI (only usefull I beleive for double boot with W7+)?
Daniele, I didn't re-read the whole thread, but did you? At a time, the issue was said to be fixed for ubuntu installed over a BIOS MODE only, i.e. not over UEFI. Did you check this or do you already know you're in UEFI (only usefull I beleive for double boot with W7+)?