ALSA does not see sound cards after restoring previous HOME

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http://askubuntu.com – I have trouble with sound on a fresh installation of 12.04. I have just installed a new graphics card and with that, I decided to install 12.04 from scratch. Previously, the computer ran 11.04 and I reused the old /home partition. In 11.04 there were no issues. I have an Audigy 2 card, which is also reflected nicely by alsa: xerxes@xerxes:/proc/asound$ cat cards 0 [Audigy2 ]: Audigy2 - SB Audigy 2 Platinum [SB0240P] SB Audigy 2 Platinum [SB0240P] (rev.4, serial:0x10021102) at 0xec00, irq 16 1 [Generic ]: HDA-Intel - HD-Audio Generic (HowTos)