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[ubuntu] Lenovo SL510 builtin microphone problem

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http://ubuntuforums.org – Hello, I have recently acquired a Lenovo SL510 notebook. I have installed Ubuntu Karmic, everything seems to work fine except the builtin microphone. Any assistance would be appreciated. thanks! Here's some info about the laptop: laptop:~$ uname -a Linux laptop 2.6.31-16-generic #52-Ubuntu SMP Thu Dec 3 22:00:22 UTC 2009 i686 GNU/Linux laptop:~$ sudo aplay -l **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: Intel [HDA Intel], device 3: INTEL HDMI [INTEL HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 laptop:~$ lspci -v 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03) Subsystem: Lenovo Device 20f2 Flags: bus master, fast devsel, latency 0, IRQ 22 Memory at f2a00000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: HDA Intel Kernel modules: snd-hda-i ALSA information: !!Linux Distribution !!------------------ Ubuntu 9.10 \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 9.10" !!DMI Information !!--------------- Manufacturer: LENOVO Product Name: 2847CTO !!Kernel Information !!------------------ Kernel release: 2.6.31-16-generic Operating System: GNU/Linux Architecture: i686 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: 1.0.20 Library version: 1.0.20 Utilities version: 1.0.20 !!Loaded ALSA modules !!------------------- snd_hda_intel !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes ESound Daemon: Installed - Yes (/usr/bin/esd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [Intel ]: HDA-Intel - HDA Intel HDA Intel at 0xf2a00000 irq 22 !!PCI Soundcards installed in the system !!-------------------------------------- 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03) Complete output at: http://www.alsa-project.org/db/?f=34...d4b252dbcee180 (Hardware)