Microphone Issue [No signal from internal and external microphones]

Microphone Issue [No signal from internal and external microphones], microphones not detected....
I had this issue with Ubuntu 9.10 also.
Help me, to get rid of M$ Windows... Thank you.

Laptop Toshiba Satellite U405-S2920 x64 bit

Ubuntu 10.04 Linux 2.6.32-21-generic
***************************************************************************
ALSA Mixer at : http://img191.imageshack.us/content_round.php?page=done&l=img191/6092/alsamixer.png
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888888888888:~$ cat /proc/asound/cards
 0 [Intel ]: HDA-Intel - HDA Intel
                      HDA Intel at 0xf4800000 irq 22

888888888888:~$ cat /proc/asound/pcm
00-00: CONEXANT Analog : CONEXANT Analog : playback 1 : capture 1
00-01: Conexant Digital : Conexant Digital : playback 1

888888888888:~$ cat /proc/asound/card0/codec#* | grep Codec
Codec: Conexant CX20561 (Hermosa)

888888888888:~$ arecord --list-devices
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

888888888888:~$ cat /proc/modules
binfmt_misc 7960 1 - Live 0xffffffffa0109000
ppdev 6375 0 - Live 0xffffffffa005e000
snd_hda_codec_conexant 28745 1 - Live 0xffffffffa01b7000
snd_hda_intel 25645 2 - Live 0xffffffffa01c1000
snd_hda_codec 85727 2 snd_hda_codec_conexant,snd_hda_intel, Live 0xffffffffa0335000
snd_hwdep 6924 1 snd_hda_codec, Live 0xffffffffa0160000
fbcon 39270 71 - Live 0xffffffffa0329000
tileblit 2487 1 fbcon, Live 0xffffffffa0139000
font 8053 1 fbcon, Live 0xffffffffa012f000
snd_pcm_oss 41394 0 - Live 0xffffffffa031c000
bitblit 5811 1 fbcon, Live 0xffffffffa0103000
softcursor 1565 1 bitblit, Live 0xffffffffa00b1000
snd_mixer_oss 16299 1 snd_pcm_oss, Live 0xffffffffa00a1000
snd_pcm 87850 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss, Live 0xffffffffa0304000
vga16fb 12757 0 - Live 0xffffffffa00e2000
vgastate 9857 1 vga16fb, Live 0xffffffffa00d4000
snd_seq_dummy 1782 0 - Live 0xffffffffa0010000
snd_seq_oss 31219 0 - Live 0xffffffffa0206000
snd_seq_midi 5829 0 - Live 0xffffffffa00ba000
arc4 1473 2 - Live 0xffffffffa00a9000
snd_rawmidi 23388 1 snd_seq_midi, Live 0xffffffffa026e000
snd_seq_midi_event 7267 2 snd_seq_oss,snd_seq_midi, Live 0xffffffffa006c000
snd_seq 57417 7 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event, Live 0xffffffffa02f3000
snd_timer 23553 2 snd_pcm,snd_seq, Live 0xffffffffa0234000
joydev 11072 0 - Live 0xffffffffa0059000
iwlagn 121577 0 - Live 0xffffffffa02d3000
snd_seq_device 6824 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq, Live 0xffffffffa0055000
i915 317872 3 - Live 0xffffffffa0283000
sdhci_pci 6700 0 - Live 0xffffffffa027c000
iwlcore 120055 1 iwlagn, Live 0xffffffffa024d000
drm_kms_helper 30742 1 i915, Live 0xffffffffa023e000
snd 70978 17 snd_hda_codec_conexant,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device, Live 0xffffffffa0220000
sdhci 17928 1 sdhci_pci, Live 0xffffffffa0215000
mac80211 2354438 2 iwlagn,iwlcore, Live 0xffffffffa01c9000
drm 198770 4 i915,drm_kms_helper, Live 0xffffffffa0184000
usbhid 40988 0 - Live 0xffffffffa0172000
i2400m_usb 28819 0 - Live 0xffffffffa0164000
soundcore 8052 1 snd, Live 0xffffffffa015c000
uvcvideo 62403 0 - Live 0xffffffffa0145000
snd_page_alloc 8500 2 snd_hda_intel,snd_pcm, Live 0xffffffffa013c000
i2c_algo_bit 6024 1 i915, Live 0xffffffffa0135000
psmouse 64608 0 - Live 0xffffffffa011d000
videodev 40486 1 uvcvideo, Live 0xffffffffa010c000
led_class 3732 2 iwlcore,sdhci, Live 0xffffffffa0106000
i2400m 91598 1 i2400m_usb, Live 0xffffffffa00e7000
video 20623 1 i915, Live 0xffffffffa00da000
hid 83376 1 usbhid, Live 0xffffffffa00bd000
v4l1_compat 15495 2 uvcvideo,videodev, Live 0xffffffffa00b4000
v4l2_compat_ioctl32 12020 1 videodev, Live 0xffffffffa00ac000
output 2503 1 video, Live 0xffffffffa00a6000
wimax 27572 2 i2400m_usb,i2400m, Live 0xffffffffa0098000
cfg80211 148386 3 iwlagn,iwlcore,mac80211, Live 0xffffffffa0071000
serio_raw 4918 0 - Live 0xffffffffa000c000
intel_agp 29225 2 i915, Live 0xffffffffa0062000
lp 9336 0 - Live 0xffffffffa0046000
parport 37160 2 ppdev,lp, Live 0xffffffffa002c000
ohci1394 30260 0 - Live 0xffffffffa004b000
sky2 48803 0 - Live 0xffffffffa0038000
ieee1394 94675 1 ohci1394, Live 0xffffffffa0012000
ahci 37646 2 - Live 0xffffffffa0000000

88888888888888: dmesg
[ 8.574289] HDA Intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22
[ 8.574361] HDA Intel 0000:00:1b.0: setting latency timer to 64
[ 8.741198] Console: switching to colour frame buffer device 106x30
[ 8.848721] input: HDA Intel Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
[ 8.848861] input: HDA Intel Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12
[ 8.848960] input: HDA Intel Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input13
Thank you!