Satellite L755-1NM - built-in microphone fading out

A while ago tried to make a Skype call, only to find out that the other person wasn't hearing me at all. Checked the microphone settings, both in Skype and on the device settings, and the microphone is pretty much not working correctly.
What happens is that every time I start up anything that can use the microphone (so, when I start a call, or when I check the microphone settings), it works for a brief moment, but, in a matter of seconds, just flatlines.
As a way to exemplify, I recorded my voice making a constant sound on [vocaroo|http://vocaroo.com/i/s01hJV8kLaMP]. What you're listening to is my microphone detecting the sound and then fading out, eventually losing all sound detection.
I believe this might be a hardware issue, as I haven't made any changes to the software that could've affected the microphone. In fact, just a while ago, after I found this issue, I reinstalled the drivers and it didn't get fixed. In that case, I guess the only option is to send my laptop in for fixing (which I'd rather avoid).
Also, it was still working perfectly about 2 or 3 days ago.
Anyone have any ideas?

I assume you are speaking about the internal microphone which is part of the webcam.
Did you try external microphone?
Does the same issue appear using such external mic?
I think it would be useful to know that because in such case we would know if its hardware or software (setting) related issue.
You can also check some mic settings which can be found in:
Control panel -> sound -> recording tab -> mic (right click properties)
In new window (mic properties) you will find some more tabs like Levels, Enhancements, Advanced
In Levels tab you could change the Microphone boost.
In Enhancements tab you can disable all effects as well you could enable the noise suppression and acoustic echo cancelation
I would recommend you to test check and to try different options.

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Hi
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[SOLVED] HP420 and Built-in microphone don't work.

I have a trouble with my on-board microphone in my laptop (hp-420), it was working some months ago (with previous kernel) and I didn't use it for a while, after several upgrades now I tired to use it and it doesn't work. Second microphone, a jack, doesn't work either, and it's arch related, because I did some tests in windows (have dual boot) and both the built-in and jack work fine. So far I have tried testing alsa configurations, played with preferences and some other things I have read over the internet and in arch forums, but no luck at all. I may think it's kernel related but I'm not sure as I'm not an expert. Also sound works fine, it's only the built in microphone the one I can not get to work. I whish someone could help me or guide me.
So all the info I could gather about my machine and the sound
!!Linux Distribution
Arch Linux
!!DMI Information
Manufacturer: Hewlett-Packard
Product Name: HP 420
Product Version: F.04
!!Kernel Information
Kernel release: 2.6.37-ARCH
Operating System: GNU/Linux
Architecture: x86_64
Processor: Intel(R) Core(TM)2 Duo CPU T6570 @ 2.10GHz
SMP Enabled: Yes
!!ALSA Version
Driver version: 1.0.23
Library version: 1.0.24.1
Utilities version: 1.0.24.2
!!Loaded ALSA modules
snd_hda_intel
!!Sound Servers on this system
ESound Daemon:
Installed - Yes (/usr/bin/esd)
Running - No
Jack:
Installed - Yes (/usr/bin/jackd)
Running - No
!!Soundcards recognised by ALSA
0 [Intel ]: HDA-Intel - HDA Intel
HDA Intel at 0xd8a00000 irq 47
!!PCI Soundcards installed in the system
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
!!Advanced information - PCI Vendor/Device/Subsystem ID's
00:1b.0 0403: 8086:293e (rev 03)
Subsystem: 103c:1526
!!Modprobe options (Sound related)
snd-hda-intel: model=hp
snd-hda-intel: model=hp
!!Loaded sound module options
!!Module: snd_hda_intel
bdl_pos_adj : 1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
beep_mode : 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1
enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y
enable_msi : -1
id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
index : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
model : hp,(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
patch : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
position_fix : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
power_save : 0
power_save_controller : N
probe_mask : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
probe_only : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
single_cmd : N
!!HDA-Intel Codec information
--startcollapse--
Codec: IDT 92HD88B3
Address: 0
AFG Function Id: 0x1 (unsol 1)
Vendor Id: 0x111d7666
Subsystem Id: 0x103c1526
Revision Id: 0x100105
No Modem Function Group found
Default PCM:
rates [0x5e0]: 44100 48000 88200 96000 192000
bits [0xe]: 16 20 24
formats [0x1]: PCM
Default Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
Default Amp-Out caps: ofs=0x7f, nsteps=0x7f, stepsize=0x02, mute=1
GPIO: io=3, o=0, i=0, unsolicited=1, wake=1
IO[0]: enable=1, dir=1, wake=0, sticky=0, data=0, unsol=0
IO[1]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
IO[2]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
Power-Map: 0x00
Node 0x0a [Pin Complex] wcaps 0x400583: Stereo Amp-In
Control: name="Front Mic Jack Mode", index=0, device=0
ControlAmp: chs=0, dir=In, idx=0, ofs=0
Control: name="Mic Capture Volume", index=0, device=0
ControlAmp: chs=3, dir=In, idx=0, ofs=0
Amp-In caps: N/A
Amp-In vals: [0x00 0x00]
Pincap 0x0001173c: IN OUT HP EAPD Detect
Vref caps: HIZ 50 GRD 80
EAPD 0x2: EAPD
Pin Default 0x02a19020: [Jack] Mic at Ext Front
Conn = 1/8, Color = Pink
DefAssociation = 0x2, Sequence = 0x0
Pin-ctls: 0x24: IN VREF_80
Unsolicited: tag=02, enabled=1
Power: setting=D0, actual=D0
Connection: 3
0x13* 0x14 0x1c
Node 0x0b [Pin Complex] wcaps 0x400581: Stereo
Pincap 0x0001001c: OUT HP EAPD Detect
EAPD 0x2: EAPD
Pin Default 0x0221401f: [Jack] HP Out at Ext Front
Conn = 1/8, Color = Green
DefAssociation = 0x1, Sequence = 0xf
Pin-ctls: 0xc0: OUT HP
Unsolicited: tag=01, enabled=1
Power: setting=D0, actual=D0
Connection: 3
0x13 0x14* 0x1c
Node 0x0c [Pin Complex] wcaps 0x400583: Stereo Amp-In
Amp-In caps: N/A
Amp-In vals: [0x00 0x00]
Pincap 0x00011734: IN OUT EAPD Detect
Vref caps: HIZ 50 GRD 80
EAPD 0x2: EAPD
Pin Default 0x40f000f0: [N/A] Other at Ext N/A
Conn = Unknown, Color = Unknown
DefAssociation = 0xf, Sequence = 0x0
Pin-ctls: 0x00: VREF_HIZ
Unsolicited: tag=00, enabled=0
Power: setting=D0, actual=D0
Connection: 3
0x13* 0x14 0x1c
Node 0x0d [Pin Complex] wcaps 0x400500: Mono
Pincap 0x00010050: OUT EAPD Balanced
EAPD 0x2: EAPD
Pin Default 0x90170110: [Fixed] Speaker at Int N/A
Conn = Analog, Color = Unknown
DefAssociation = 0x1, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x40: OUT
Power: setting=D0, actual=D0
Connection: 1
0x1a
Node 0x0e [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x0f [Pin Complex] wcaps 0x400583: Stereo Amp-In
Amp-In caps: N/A
Amp-In vals: [0x00 0x00]
Pincap 0x00010034: IN OUT EAPD Detect
EAPD 0x2: EAPD
Pin Default 0x40f000f0: [N/A] Other at Ext N/A
Conn = Unknown, Color = Unknown
DefAssociation = 0xf, Sequence = 0x0
Pin-ctls: 0x00:
Unsolicited: tag=00, enabled=0
Power: setting=D0, actual=D0
Connection: 3
0x13 0x14* 0x1c
Node 0x10 [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x11 [Pin Complex] wcaps 0x400483: Stereo Amp-In
Amp-In caps: N/A
Amp-In vals: [0x00 0x00]
Pincap 0x00000024: IN Detect
Pin Default 0x90a60130: [Fixed] Mic at Int N/A
Conn = Digital, Color = Unknown
DefAssociation = 0x3, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x00:
Unsolicited: tag=00, enabled=0
Power: setting=D0, actual=D0
Node 0x12 [Vendor Defined Widget] wcaps 0xf00503: Stereo Amp-In
Amp-In caps: N/A
Amp-In vals: [0x00 0x00]
Power: setting=D0, actual=D0
Connection: 1
0x20
Node 0x13 [Audio Output] wcaps 0xd0c05: Stereo Amp-Out R/L
Control: name="Speaker Playback Volume", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=63
Control: name="Speaker Playback Switch", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Device: name="STAC92xx Analog", type="Audio", device=0
Amp-Out caps: N/A
Amp-Out vals: [0x7f 0x7f]
Converter: stream=5, channel=0
Power: setting=D0, actual=D0
Delay: 13 samples
Node 0x14 [Audio Output] wcaps 0xd0c05: Stereo Amp-Out R/L
Control: name="Headphone Playback Volume", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=63
Control: name="Headphone Playback Switch", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Amp-Out caps: N/A
Amp-Out vals: [0x7f 0x7f]
Converter: stream=5, channel=0
Power: setting=D0, actual=D0
Delay: 13 samples
Node 0x15 [Audio Input] wcaps 0x1d0541: Stereo
Device: name="STAC92xx Analog", type="Audio", device=0
Converter: stream=1, channel=0
SDI-Select: 0
Power: setting=D0, actual=D0
Delay: 13 samples
Connection: 1
0x17
Processing caps: benign=0, ncoeff=0
Node 0x16 [Audio Input] wcaps 0x1d0541: Stereo
Converter: stream=0, channel=0
SDI-Select: 0
Power: setting=D0, actual=D0
Delay: 13 samples
Connection: 1
0x18
Processing caps: benign=0, ncoeff=0
Node 0x17 [Audio Selector] wcaps 0x300d0d: Stereo Amp-Out R/L
Control: name="Capture Volume", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Control: name="Capture Switch", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Amp-Out caps: ofs=0x00, nsteps=0x0f, stepsize=0x05, mute=1
Amp-Out vals: [0x0f 0x0f]
Power: setting=D0, actual=D0
Connection: 7
0x0c 0x0e 0x0f 0x1b 0x11 0x12 0x0a*
Node 0x18 [Audio Selector] wcaps 0x300d0d: Stereo Amp-Out R/L
Control: name="Capture Volume", index=1, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Control: name="Capture Switch", index=1, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Amp-Out caps: ofs=0x00, nsteps=0x0f, stepsize=0x05, mute=1
Amp-Out vals: [0x0d 0x0d]
Power: setting=D0, actual=D0
Connection: 7
0x0c 0x0e 0x0f 0x1b 0x11 0x12 0x0a*
Node 0x19 [Audio Selector] wcaps 0x300501: Stereo
Power: setting=D0, actual=D0
Connection: 3
0x13* 0x14 0x1c
Node 0x1a [Audio Mixer] wcaps 0x200500: Mono
Power: setting=D0, actual=D0
Connection: 1
0x19
Node 0x1b [Audio Mixer] wcaps 0x20050b: Stereo Amp-In
Amp-In caps: ofs=0x17, nsteps=0x1f, stepsize=0x05, mute=1
Amp-In vals: [0x97 0x97] [0x97 0x97] [0x97 0x97] [0x97 0x97] [0x97 0x97] [0x97 0x97]
Power: setting=D0, actual=D0
Connection: 6
0x0c 0x0e 0x0f 0x13 0x14 0x0a
Node 0x1c [Audio Selector] wcaps 0x30050d: Stereo Amp-Out
Amp-Out caps: ofs=0x1f, nsteps=0x1f, stepsize=0x05, mute=1
Amp-Out vals: [0x9f 0x9f]
Power: setting=D0, actual=D0
Connection: 1
0x1b
Node 0x1d [Audio Output] wcaps 0x4061d: Stereo Digital Amp-Out
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Converter: stream=0, channel=0
Digital:
Digital category: 0x0
PCM:
rates [0x5e0]: 44100 48000 88200 96000 192000
bits [0xe]: 16 20 24
formats [0x5]: PCM AC3
Power: setting=D0, actual=D0
Delay: 4 samples
Node 0x1e [Audio Output] wcaps 0x4061d: Stereo Digital Amp-Out
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Converter: stream=0, channel=0
Digital:
Digital category: 0x0
PCM:
rates [0x5e0]: 44100 48000 88200 96000 192000
bits [0xe]: 16 20 24
formats [0x5]: PCM AC3
Power: setting=D0, actual=D0
Delay: 4 samples
Node 0x1f [Pin Complex] wcaps 0x400781: Stereo Digital
Pincap 0x00000014: OUT Detect
Pin Default 0x40f000f0: [N/A] Other at Ext N/A
Conn = Unknown, Color = Unknown
DefAssociation = 0xf, Sequence = 0x0
Pin-ctls: 0x00:
Unsolicited: tag=00, enabled=0
Power: setting=D0, actual=D0
Connection: 1
0x1d
Node 0x20 [Pin Complex] wcaps 0x400781: Stereo Digital
Pincap 0x00000034: IN OUT Detect
Pin Default 0x40f000f0: [N/A] Other at Ext N/A
Conn = Unknown, Color = Unknown
DefAssociation = 0xf, Sequence = 0x0
Pin-ctls: 0x00:
Unsolicited: tag=00, enabled=0
Power: setting=D0, actual=D0
Connection: 1
0x1e
Node 0x21 [Beep Generator Widget] wcaps 0x70040c: Mono Amp-Out
Amp-Out caps: ofs=0x03, nsteps=0x03, stepsize=0x17, mute=1
Amp-Out vals: [0x00]
Power: setting=D0, actual=D0
Node 0x22 [Vendor Defined Widget] wcaps 0xf00000: Mono
Codec: Intel Cantiga HDMI
Address: 2
AFG Function Id: 0x1 (unsol 0)
Vendor Id: 0x80862802
Subsystem Id: 0x80860101
Revision Id: 0x100000
No Modem Function Group found
Default PCM:
rates [0x0]:
bits [0x0]:
formats [0x0]:
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
GPIO: io=0, o=0, i=0, unsolicited=0, wake=0
Node 0x02 [Audio Output] wcaps 0x6211: 8-Channels Digital
Control: name="IEC958 Playback Con Mask", index=0, device=0
Control: name="IEC958 Playback Pro Mask", index=0, device=0
Control: name="IEC958 Playback Default", index=0, device=0
Control: name="IEC958 Playback Switch", index=0, device=0
Device: name="HDMI 0", type="HDMI", device=3
Converter: stream=0, channel=0
Digital:
Digital category: 0x0
PCM:
rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
bits [0x1e]: 16 20 24 32
formats [0x5]: PCM AC3
Node 0x03 [Pin Complex] wcaps 0x40739d: 8-Channels Digital Amp-Out CP
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Pincap 0x00000094: OUT Detect HDMI
Pin Default 0x18560010: [Jack] Digital Out at Int HDMI
Conn = Digital, Color = Unknown
DefAssociation = 0x1, Sequence = 0x0
Pin-ctls: 0x40: OUT
Unsolicited: tag=03, enabled=1
Connection: 1
0x02
--endcollapse--
!!ALSA Device nodes
crw-rw---- 1 root audio 116, 9 Mar 29 10:14 /dev/snd/controlC0
crw-rw---- 1 root audio 116, 8 Mar 29 10:14 /dev/snd/hwC0D0
crw-rw---- 1 root audio 116, 7 Mar 29 10:14 /dev/snd/hwC0D2
crw-rw---- 1 root audio 116, 6 Mar 29 13:40 /dev/snd/pcmC0D0c
crw-rw---- 1 root audio 116, 5 Mar 29 13:40 /dev/snd/pcmC0D0p
crw-rw---- 1 root audio 116, 4 Mar 29 10:14 /dev/snd/pcmC0D3p
crw-rw---- 1 root audio 116, 3 Mar 29 10:14 /dev/snd/seq
crw-rw---- 1 root audio 116, 2 Mar 29 10:14 /dev/snd/timer
/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root 60 Mar 29 10:14 .
drwxr-xr-x 3 root root 220 Mar 29 10:14 ..
lrwxrwxrwx 1 root root 12 Mar 29 10:14 pci-0000:00:1b.0 -> ../controlC0
!!Aplay/Arecord output
APLAY
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
ARECORD
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 2/2
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
!!Amixer output
!!-------Mixer controls for card 0 [Intel]
Card hw:0 'Intel'/'HDA Intel at 0xd8a00000 irq 47'
Mixer name : 'Intel Cantiga HDMI'
Components : 'HDA:111d7666,103c1526,00100105 HDA:80862802,80860101,00100000'
Controls : 18
Simple ctrls : 10
Simple mixer control 'Master',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
Playback channels: Mono
Limits: Playback 0 - 64
Mono: Playback 64 [100%] [0.00dB] [on]
Simple mixer control 'Headphone',0
Capabilities: pvolume pswitch penum
Playback channels: Front Left - Front Right
Limits: Playback 0 - 64
Mono:
Front Left: Playback 64 [100%] [0.00dB] [on]
Front Right: Playback 64 [100%] [0.00dB] [on]
Simple mixer control 'Speaker',0
Capabilities: pvolume pswitch penum
Playback channels: Front Left - Front Right
Limits: Playback 0 - 64
Mono:
Front Left: Playback 64 [100%] [0.00dB] [on]
Front Right: Playback 64 [100%] [0.00dB] [on]
Simple mixer control 'PCM',0
Capabilities: pvolume penum
Playback channels: Front Left - Front Right
Limits: Playback 0 - 255
Mono:
Front Left: Playback 255 [100%] [0.00dB]
Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'Front Mic Jack Mode',0
Capabilities: enum
Items: 'Mic In' 'Line In'
Item0: 'Mic In'
Simple mixer control 'Mic',0
Capabilities: cvolume penum
Capture channels: Front Left - Front Right
Limits: Capture 0 - 3
Front Left: Capture 0 [0%] [0.00dB]
Front Right: Capture 0 [0%] [0.00dB]
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Capture',0
Capabilities: cvolume cswitch penum
Capture channels: Front Left - Front Right
Limits: Capture 0 - 15
Front Left: Capture 15 [100%] [22.50dB] [on]
Front Right: Capture 15 [100%] [22.50dB] [on]
Simple mixer control 'Capture',1
Capabilities: cvolume cswitch penum
Capture channels: Front Left - Front Right
Limits: Capture 0 - 15
Front Left: Capture 13 [87%] [19.50dB] [on]
Front Right: Capture 13 [87%] [19.50dB] [on]
Simple mixer control 'Digital',0
Capabilities: cvolume penum
Capture channels: Front Left - Front Right
Limits: Capture 0 - 120
Front Left: Capture 0 [0%] [-30.00dB]
Front Right: Capture 0 [0%] [-30.00dB]
!!Alsactl output
--startcollapse--
state.Intel {
control.1 {
iface MIXER
name 'Speaker Playback Volume'
value.0 64
value.1 64
comment {
access 'read write'
type INTEGER
count 2
range '0 - 64'
dbmin -4800
dbmax 0
dbvalue.0 0
dbvalue.1 0
control.2 {
iface MIXER
name 'Speaker Playback Switch'
value.0 true
value.1 true
comment {
access 'read write'
type BOOLEAN
count 2
control.3 {
iface MIXER
name 'Front Mic Jack Mode'
value 'Mic In'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'Mic In'
item.1 'Line In'
control.4 {
iface MIXER
name 'Headphone Playback Volume'
value.0 64
value.1 64
comment {
access 'read write'
type INTEGER
count 2
range '0 - 64'
dbmin -4800
dbmax 0
dbvalue.0 0
dbvalue.1 0
control.5 {
iface MIXER
name 'Headphone Playback Switch'
value.0 true
value.1 true
comment {
access 'read write'
type BOOLEAN
count 2
control.6 {
iface MIXER
name 'Capture Volume'
value.0 15
value.1 15
comment {
access 'read write'
type INTEGER
count 2
range '0 - 15'
dbmin 0
dbmax 2250
dbvalue.0 2250
dbvalue.1 2250
control.7 {
iface MIXER
name 'Capture Switch'
value.0 true
value.1 true
comment {
access 'read write'
type BOOLEAN
count 2
control.8 {
iface MIXER
name 'Capture Volume'
index 1
value.0 13
value.1 13
comment {
access 'read write'
type INTEGER
count 2
range '0 - 15'
dbmin 0
dbmax 2250
dbvalue.0 1950
dbvalue.1 1950
control.9 {
iface MIXER
name 'Capture Switch'
index 1
value.0 true
value.1 true
comment {
access 'read write'
type BOOLEAN
count 2
control.10 {
iface MIXER
name 'Mic Capture Volume'
value.0 0
value.1 0
comment {
access 'read write'
type INTEGER
count 2
range '0 - 3'
dbmin 0
dbmax 3000
dbvalue.0 0
dbvalue.1 0
control.11 {
iface MIXER
name 'Master Playback Volume'
value 64
comment {
access 'read write'
type INTEGER
count 1
range '0 - 64'
dbmin -9999999
dbmax 0
dbvalue.0 0
control.12 {
iface MIXER
name 'Master Playback Switch'
value true
comment {
access 'read write'
type BOOLEAN
count 1
control.13 {
iface MIXER
name 'IEC958 Playback Con Mask'
value '0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
control.14 {
iface MIXER
name 'IEC958 Playback Pro Mask'
value '0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
control.15 {
iface MIXER
name 'IEC958 Playback Default'
value '0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read write'
type IEC958
count 1
control.16 {
iface MIXER
name 'IEC958 Playback Switch'
value false
comment {
access 'read write'
type BOOLEAN
count 1
control.17 {
iface MIXER
name 'PCM Playback Volume'
value.0 255
value.1 255
comment {
access 'read write user'
type INTEGER
count 2
range '0 - 255'
tlv '0000000100000008ffffec1400000014'
dbmin -5100
dbmax 0
dbvalue.0 0
dbvalue.1 0
control.18 {
iface MIXER
name 'Digital Capture Volume'
value.0 0
value.1 0
comment {
access 'read write user'
type INTEGER
count 2
range '0 - 120'
tlv '0000000100000008fffff44800000032'
dbmin -3000
dbmax 3000
dbvalue.0 -3000
dbvalue.1 -3000
--endcollapse--
!!All Loaded Modules
Module
nls_cp437
vfat
fat
usb_storage
uas
michael_mic
arc4
ecb
cryptd
aes_x86_64
aes_generic
cpufreq_ondemand
ipv6
usbhid
hid
btusb
bluetooth
uvcvideo
videodev
v4l1_compat
v4l2_compat_ioctl32
snd_hda_codec_hdmi
snd_hda_codec_idt
i915
snd_hda_intel
drm_kms_helper
snd_seq_dummy
drm
joydev
snd_seq_oss
snd_seq_midi_event
snd_seq
snd_seq_device
snd_hda_codec
hp_wmi
i2c_algo_bit
sparse_keymap
snd_hwdep
snd_pcm_oss
i2c_core
acpi_cpufreq
iTCO_wdt
intel_agp
snd_pcm
uhci_hcd
ehci_hcd
snd_mixer_oss
usbcore
r8192se_pci
intel_gtt
sg
freq_table
snd_timer
video
r8169
iTCO_vendor_support
wmi
output
psmouse
battery
container
pcspkr
serio_raw
ac
button
mii
thermal
fan
cfg80211
evdev
processor
snd
soundcore
snd_page_alloc
rfkill
mperf
fuse
ext4
mbcache
jbd2
crc16
sr_mod
sd_mod
cdrom
ahci
libahci
libata
scsi_mod
!!Sysfs Files
/sys/class/sound/hwC0D0/init_pin_configs:
0x0a 0x02a19020
0x0b 0x0221401f
0x0c 0x40f000f0
0x0d 0x90170110
0x0f 0x40f000f0
0x11 0x90a60130
0x1f 0x40f000f0
0x20 0x40f000f0
/sys/class/sound/hwC0D0/driver_pin_configs:
/sys/class/sound/hwC0D0/user_pin_configs:
/sys/class/sound/hwC0D0/init_verbs:
/sys/class/sound/hwC0D2/init_pin_configs:
0x03 0x18560010
/sys/class/sound/hwC0D2/driver_pin_configs:
/sys/class/sound/hwC0D2/user_pin_configs:
/sys/class/sound/hwC0D2/init_verbs:
!!ALSA/HDA dmesg
Hardware name: HP 420
Modules linked in: r8192se_pci( ) intel_gtt sg freq_table snd_timer video r8169 iTCO_vendor_support wmi( ) output psmouse battery container pcspkr serio_raw ac button mii thermal( ) fan cfg80211 evdev processor snd soundcore snd_page_alloc rfkill mperf fuse ext4 mbcache jbd2 crc16 sr_mod sd_mod cdrom ahci libahci libata scsi_mod
Pid: 788, comm: modprobe Not tainted 2.6.37-ARCH #1
[drm] Initialized drm 1.1.0 20060810
HDA Intel 0000:00:1b.0: power state changed by ACPI to D0
HDA Intel 0000:00:1b.0: power state changed by ACPI to D0
HDA Intel 0000:00:1b.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
HDA Intel 0000:00:1b.0: irq 47 for MSI/MSI-X
HDA Intel 0000:00:1b.0: setting latency timer to 64
input: HDA Intel Mic at Ext Front Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input7
input: HDA Intel HP Out at Ext Front Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input8
i915 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
Last edited by mann138 (2011-04-11 15:57:00)

ewaller wrote:
What is under the switches tab?
Oh -- By the way, that picture is over the size limit defined in the forum rules in tems of pixels, but the file size is okay. I'll let it slide. Watch the bumping as well.
If you want to post the switches tab, upload it to someplace like http://img3.imageshack.us/, copy the thumbnail (which has the link to the original) back here, and you are golden.
I had a bear of a time getting the microphone working on my HP DV4, but it does work. I'll look at the set up when I get home tonight [USA-PDT].
Sorry for the picture and the "bumping"... I have asked in irc in arch and alsa channels and no luck yet... one guy from alsa said I had to wait for the alsa-driver-1.0.24 package (currently I have alsa-driver-1.0.23) but it is weird because the microphone worked some months ago...
So here is what it is under the switches tab

Problem with sound on my Satellite L755-1LZ

Hi people,
I think this is where we can help. For a long time struggling to fix the sound, but I fail.
When you boot, you will hear windows sound, the sound for some time, and then suddenly disappear.
Drivers are good, I deleted and then went Automatic update. All in all, the sound works for a short time.
Could this be a software or hardware failure? Thanks people!
My laptop is: Toshiba Satellite L755 - 1LZ
I find it strange that the sound works, but briefly, the fault may be to the speaker .. what do you think?
I'm so grateful in advance

Could someone follow exactly this steps just to check if its helps to resolve the issue?
Step 1:
Uninstall the Device from Device Manager
Open Device Manager
Expand the Sound Adapter section.
Find the Sound card Driver.
Right click Sound card Driver and select Uninstall.
Select the check box delete the driver software for this device.
Reboot the computer after uninstall process has finished.
Step 2:
Uninstall the Device Drivers from Program List in Control Panel
Click on start, select Control Panel
Now click on Programs and select Programs and Features.
Find the Sound card Driver.
Right click Sound card Driver and select Uninstall.
Reboot the computer after the uninstall process has finished.
Step 3:
Download and install the latest drivers for the Audio card from the Toshiba website
Step 4:
1. Select Control Panel from the list.
2. Then click on Hardware and Sound
3. Now you have to click on Manage Audio Devices to get to the Sound panel.
4. Now Select Playback > Speakers > Enhancements and make sure everything is un-checked.
5. Then Select Playback > Speakers > Advanced and un-check 'Allow applications to take exclusive control of this device'
6. Then go to Recording > Microphone > Listen and ensure Listen to this device' is unchecked.
7. Then go to Levels and ensure the Microphone level is at 100% and the Boost is at +10db
8. Now got to Enhancements and make sure everything is un-checked.
9. Then you have look into Advanced tab and un-check 'Allow applications to take exclusive control of this device'
10. And finally go to the Communications tab of the Sound panel, and change 'When windows detects communications activity' to 'Do nothing'.

Toshiba Satellite L755-S5306 Blue Screen of Death BSOD

If you are having “The Blue Screen Of Death” (BSOD) with a Toshiba Satellite L755-S5306 you are not alone. Please leave a comment in hopes enough of us can find each other and come up with a more permanent solution than the work around I present here. As of the day this was posted there was nothing index into Google or Toshiba’s forums regarding a Toshiba Satellite L755-S5306 having a BSOD problem.
Unfortunately I don't have an answer or solution so much as a troubleshooting alternative and that is to install Ubuntu 11+. I would rather use windows7 but the fact that Ubuntu runs without crashes indicates that my problem is a Windows 7 software issue. Windows7 is conflicting with either the hardware within my computer or some pre-installed factory software.
This laptop is new (it has only been out of the box for 3 months), has an i3 processor, 4GB of RAM and is still under warranty; until Sept. 10, 2012. I have yet to contact Toshiba but will. Within the last month (Feb. 2012) I started to get multiple BSODs out of no where. These were the following error messages:
1. KMODE_EXCEPTION_NOT_HANDLED
Caused By Driver : luafv.sys
2. KMODE_EXCEPTION_NOT_HANDLED
Caused By Driver : Ntfs.sys
3. SYSTEM_SERVICE_EXCEPTION
Caused By Driver : ntoskrnl.exe
4. PAGE_FAULT_IN_NONPAGED_AREA
Caused By Driver : ntoskrnl.exe
5. KMODE_EXCEPTION_NOT_HANDLED
Caused By Driver : partmgr.sys
You can see my full BSOD error reports here: CLICK HERE
I have done all of the following hoping to solve this issue with no luck:
1. Re-formated computer with factory shipped disk. Five Minutes after I did this I got the BSOD. That definitely eliminated the idea that it was something I had installed or that it was a windows update conflict.
2. Got all window updates. That didn’t help.
3. Checked all drivers manually one by one through the device manager for updates; according to the Device Manager there was no updates.
*However, this is the only area of hope that I have. I downloaded the program Drive Max and it list several drivers as outdated. I can only download two a day and install them. After I have them all installed I will report back as to whether or not I have a BSOD.
4. Updated BIOS. Toshiba did have a BIOS update available but the update did not fix my BSOD problems. I have seen on this forum many people have had problems with the BIOS but I have not.
5. Ran window's memory diagnostic tool. It reported no errors.
60 I also ran Ubuntus memory test and passed.
7. Check Disk with no errors
After all those failed attempts I took to the Internet. That is when I ran across a post online where a person stated they had the same problem with a similar Toshiba laptop and switched to Ubuntu. After doing so they had no problems. I did the same and agree I have no issues after one week. So I hope this helps for now. If anyone has this problem or finds a windows based solution please leave a comment.

Thank you all for your help.
Since I reformatted every time I have booted up I have turned on the Windows memory diagnostic too. I did this in hopes that if a BSOD occurred it would catch something when it rebooted and today it did after an extended memory test.
I got the standard message, “Hardware problems were detected...Test results will be displayed again after you log on”, however no test results were ever displayed. Does anyone know if there is a way to manually find the results of the test? Also, I ran the test again to see if I could get the results and the second time it said there were no problems detected.
At this point I am suspecting it to be a faulty stick of RAM. Windows 7 utilizes about 1.25GB of ram when booted and Ubuntu 200MB. This very well could be why Ubuntu works without problems.
I have to write a business plan in the next few weeks and cannot send my laptop in until that is done. So I will continue to use Ubuntu until done with my plan and then contact Toshiba. I will post back with any information I get in regards to the problem and once again thank you all for your help.

Built in microphone is not working on my Tecra A9

I have a Tecra A9 PTS52A-OEYO3F
My operating system is XP Professional.
I am trying to configure a Skype account without having to purchase a plug in microphone. I believe that my Tecra A9 has a built in microphone. When I test hardware via Control Panel / Sounds and Audio Devices / Voice / Test Hardware, an error message indicates that my voice could not be detected. A similar Skype test also revealed that my voice could not be detected.
The user manual at page 4-23 under the heading Microphone Level sets out the process for changing the recording level. Step 1 requires right clicking of speaker icon on the task bar to reveal Recording Devices on the sub menu. When I perform the right clicking of the speaker icon the menu revealed comprises "Open Volume Control" and "Adjust Audio Properties". There is no "Recording Devices" option hence the instructions in the user manual do not apply.
I am not convinced that I have a built in microphone, and if I do then why is it not functioning.
Thanks

Hi,
As i know, the laptops equipped with webcam should have inbuilt microphone, too. Update a sound driver, check sound settings well...........

Satellite L755-1NM - built-in microphone fading out

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