Ubuntu hangs on boot

[osarusan]

Well I need the wireless so I put the card back in... if it's not harming the machine that's a relief, but it does suck to have to babysit every single boot of the machine. Like I said earlier, its not just a long boot time, its a total hang during boot. Nothing responds except for the power switch.

[ilyvm1]

This has happened with upgrades and with clean installs. This one now is a clean install.

I'll try it with Gnome Classic, though I do prefer Unity.

What would setting nomodeset do?



--
edit: Using Gnome Classic and Unity 2d did not help. Still hangs at boot.

I did not experience joy with my 12.04 setup (problems with
boot, plymouth, gdm, unity) until as root, I:
# cd /boot; grep -lr CONFIG_ACPI_PROCFS_POWER * 2>/dev/null |sort

then, in the generic file above (the one you're booting!)
change:
CONFIG_ACPI_PROCFS_POWER=y
to:
CONFIG_ACPI_PROCFS_POWER=n

all seems ok now.