Noob/First post ... I have two audio devices in my ASUS P8Z77-V/CORE
I7/EGA GTX 670 system that weren't being recognized and the workaround
that now works every time is to select the "recovery mode" kernel from
the Grub menu (you need to comment out "GRUB_HIDDEN_TIMEOUT=0" in
/etc/default/grub and run update-grub if Ubuntu is the only OS in the
system in order to see this menu), then simply select Resume from the
Recovery Menu to continue with a "normal" boot (4 extra keystrokes
during the boot).  This also fixed a 1+ minute pause during bootup, and
a system hang that was occuring on shutdown/reboot (requiring a manual
reset).  IMHO this makes Ubuntu seem quite unfriendly to a new user and
is therefore an important bug to fix.  I want to see Ubuntu be very
successful.

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https://bugs.launchpad.net/bugs/908751

Title:
  Ubuntu 12.04, only "dummy output" device detected

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