seem problem in acpi
[ 0.056622] ACPI FADT declares the system doesn't support PCIe ASPM, so disable it [ 0.056756] ACPI: bus type PCI registered [ 0.056846] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 0.056979] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xf8000000-0xfbffffff] (base 0xf8000000) [ 0.058002] PCI: MMCONFIG at [mem 0xf8000000-0xfbffffff] reserved in E820 [ 0.062578] PCI: Using configuration type 1 for base access [ 0.141391] pci 0000:00:1b.0: [8086:1c20] type 00 class 0x040300 [ 0.141405] pci 0000:00:1b.0: reg 10: [mem 0xf7d00000-0xf7d03fff 64bit] [ 0.141469] pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold [ 0.141512] pci 0000:00:1b.0: System wakeup disabled by ACPI try livecd of working Ubuntu 12.04 and compare system log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1330145 Title: PCI/internal sound card not detected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1330145/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs