post the output of alsa-info.sh when you boot from 13.04 Live CD if hdmi work on 13.04
https://wiki.ubuntu.com/Audio/AlsaInfo -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1256646 Title: [System Product Name, Nvidia MCP77/78 HDMI, Digital Out, HDMI] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1256646/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
