View Full Version : [ubuntu] No sound HP ProBook 4520s

November 21st, 2010, 12:43 AM
I've installed Ubuntu 10.10 and there is no sound. The sound device is not shown in the Sound Preferences (under Hardware, list is empty)

Here is the output of lspci -vv

00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 06)
Subsystem: Hewlett-Packard Company Device 1413
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 5
Region 0: Memory at 94900000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel modules: snd-hda-intelWhat could be the problem?

And also from lsmod | grep snd_hda_intel

snd_hda_intel 31738 1
snd_hda_codec 87552 1 snd_hda_intel
snd_pcm 71475 2 snd_hda_intel,snd_hda_codec
snd 49006 8 snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_ rawmidi,snd_seq,snd_timer,snd_seq_device
snd_page_alloc 7120 2 snd_hda_intel,snd_pcm