我正在摆弄 pactl 和 alsa，并设法禁用了计算机上的所有声音。设备没有显示出来。
我已经重新安装了这两个软件包以及 linux-sound-base，并重新启动；没有任何反应。
我确实看到了该设备aplay -l：
> aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: MID [HDA Intel MID], device 0: 92HD75B3X5 Analog [92HD75B3X5 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: MID [HDA Intel MID], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: MID [HDA Intel MID], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: MID [HDA Intel MID], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
我猜那是扬声器，但我不确定如何检测麦克风。
如果您能就如何将声音修复到原始设置提供建议，我们将不胜感激。
Sounds GUI 程序中的设备列表是空的，无论是输入还是输出。
为了回应评论，以下是简历amixer contents：
> amixer contents
numid=30,iface=CARD,name='Dock Headphone Jack'
; type=BOOLEAN,access=r-------,values=1
: values=off
numid=34,iface=CARD,name='HDMI/DP,pcm=3 Jack'
; type=BOOLEAN,access=r-------,values=1
: values=off
numid=40,iface=CARD,name='HDMI/DP,pcm=7 Jack'
; type=BOOLEAN,access=r-------,values=1
: values=off
numid=46,iface=CARD,name='HDMI/DP,pcm=8 Jack'
; type=BOOLEAN,access=r-------,values=1
: values=off
numid=29,iface=CARD,name='Headphone Jack'
; type=BOOLEAN,access=r-------,values=1
: values=off
numid=25,iface=CARD,name='Internal Mic Phantom Jack'
; type=BOOLEAN,access=r-------,values=1
: values=on
numid=27,iface=CARD,name='Line Jack'
; type=BOOLEAN,access=r-------,values=1
: values=off
numid=26,iface=CARD,name='Mic Jack'
; type=BOOLEAN,access=r-------,values=1
: values=off
numid=28,iface=CARD,name='Speaker Phantom Jack'
; type=BOOLEAN,access=r-------,values=1
: values=on
numid=24,iface=MIXER,name='Master Playback Switch'
; type=BOOLEAN,access=rw------,values=1
: values=on
numid=23,iface=MIXER,name='Master Playback Volume'
; type=INTEGER,access=rw---R--,values=1,min=0,max=127,step=0
: values=119
| dBscale-min=-95.25dB,step=0.75dB,mute=1
numid=4,iface=MIXER,name='Headphone Playback Switch'
; type=BOOLEAN,access=rw------,values=2
: values=off,off
numid=3,iface=MIXER,name='Headphone Playback Volume'
; type=INTEGER,access=rw---R--,values=2,min=0,max=127,step=0
: values=0,0
| dBscale-min=-95.25dB,step=0.75dB,mute=1
numid=55,iface=MIXER,name='PCM Playback Volume'
; type=INTEGER,access=rw---RW-,values=2,min=0,max=255,step=0
: values=255,255
| dBscale-min=-51.00dB,step=0.20dB,mute=0
numid=11,iface=MIXER,name='Line Playback Switch'
; type=BOOLEAN,access=rw------,values=2
: values=off,off
numid=10,iface=MIXER,name='Line Playback Volume'
; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
: values=0,0
| dBscale-min=-34.50dB,step=1.50dB,mute=0
numid=9,iface=MIXER,name='Mic Playback Switch'
; type=BOOLEAN,access=rw------,values=2
: values=off,off
numid=8,iface=MIXER,name='Mic Playback Volume'
; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
: values=0,0
| dBscale-min=-34.50dB,step=1.50dB,mute=0
numid=16,iface=MIXER,name='Capture Switch'
; type=BOOLEAN,access=rw------,values=2
: values=on,on
numid=18,iface=MIXER,name='Capture Switch',index=1
; type=BOOLEAN,access=rw------,values=2
: values=off,off
numid=15,iface=MIXER,name='Capture Volume'
; type=INTEGER,access=rw---R--,values=2,min=0,max=15,step=0
: values=4,4
| dBscale-min=0.00dB,step=1.50dB,mute=0
numid=17,iface=MIXER,name='Capture Volume',index=1
; type=INTEGER,access=rw---R--,values=2,min=0,max=15,step=0
: values=0,0
| dBscale-min=0.00dB,step=1.50dB,mute=0
numid=5,iface=MIXER,name='Loopback Mixing'
; type=ENUMERATED,access=rw------,values=1,items=2
; Item #0 'Disabled'
; Item #1 'Enabled'
: values=0
numid=35,iface=MIXER,name='IEC958 Playback Con Mask'
; type=IEC958,access=r-------,values=1
: values=[AES0=0x0f AES1=0xff AES2=0x00 AES3=0x00]
numid=41,iface=MIXER,name='IEC958 Playback Con Mask',index=1
; type=IEC958,access=r-------,values=1
: values=[AES0=0x0f AES1=0xff AES2=0x00 AES3=0x00]
numid=47,iface=MIXER,name='IEC958 Playback Con Mask',index=2
; type=IEC958,access=r-------,values=1
: values=[AES0=0x0f AES1=0xff AES2=0x00 AES3=0x00]
numid=36,iface=MIXER,name='IEC958 Playback Pro Mask'
; type=IEC958,access=r-------,values=1
: values=[AES0=0x0f AES1=0x00 AES2=0x00 AES3=0x00]
numid=42,iface=MIXER,name='IEC958 Playback Pro Mask',index=1
; type=IEC958,access=r-------,values=1
: values=[AES0=0x0f AES1=0x00 AES2=0x00 AES3=0x00]
numid=48,iface=MIXER,name='IEC958 Playback Pro Mask',index=2
; type=IEC958,access=r-------,values=1
: values=[AES0=0x0f AES1=0x00 AES2=0x00 AES3=0x00]
numid=37,iface=MIXER,name='IEC958 Playback Default'
; type=IEC958,access=rw------,values=1
: values=[AES0=0x04 AES1=0x00 AES2=0x00 AES3=0x00]
numid=43,iface=MIXER,name='IEC958 Playback Default',index=1
; type=IEC958,access=rw------,values=1
: values=[AES0=0x04 AES1=0x82 AES2=0x00 AES3=0x02]
numid=49,iface=MIXER,name='IEC958 Playback Default',index=2
; type=IEC958,access=rw--l---,values=1
: values=[AES0=0x04 AES1=0x82 AES2=0x00 AES3=0x02]
numid=38,iface=MIXER,name='IEC958 Playback Switch'
; type=BOOLEAN,access=rw------,values=1
: values=on
numid=44,iface=MIXER,name='IEC958 Playback Switch',index=1
; type=BOOLEAN,access=rw------,values=1
: values=on
numid=50,iface=MIXER,name='IEC958 Playback Switch',index=2
; type=BOOLEAN,access=rw------,values=1
: values=on
numid=12,iface=MIXER,name='Auto-Mute Mode'
; type=ENUMERATED,access=rw------,values=1,items=2
; Item #0 'Disabled'
; Item #1 'Enabled'
: values=1
numid=22,iface=MIXER,name='Bass Speaker Playback Switch'
; type=BOOLEAN,access=rw------,values=1
: values=off
numid=20,iface=MIXER,name='Beep Playback Switch'
; type=BOOLEAN,access=rw------,values=1
: values=on
numid=21,iface=MIXER,name='Beep Playback Volume'
; type=INTEGER,access=rw---R--,values=1,min=0,max=3,step=0
: values=0
| dBscale-min=-18.00dB,step=6.00dB,mute=0
numid=56,iface=MIXER,name='Digital Capture Volume'
; type=INTEGER,access=rw---RW-,values=2,min=0,max=120,step=0
: values=60,60
| dBscale-min=-30.00dB,step=0.50dB,mute=0
numid=13,iface=MIXER,name='Input Source'
; type=ENUMERATED,access=rw------,values=1,items=3
; Item #0 'Internal Mic'
; Item #1 'Mic'
; Item #2 'Line'
: values=0
numid=14,iface=MIXER,name='Input Source',index=1
; type=ENUMERATED,access=rw------,values=1,items=3
; Item #0 'Internal Mic'
; Item #1 'Mic'
; Item #2 'Line'
: values=0
numid=19,iface=MIXER,name='Internal Mic Boost Volume'
; type=INTEGER,access=rw---R--,values=2,min=0,max=3,step=0
: values=0,0
| dBscale-min=0.00dB,step=10.00dB,mute=0
numid=7,iface=MIXER,name='Internal Mic Playback Switch'
; type=BOOLEAN,access=rw------,values=2
: values=off,off
numid=6,iface=MIXER,name='Internal Mic Playback Volume'
; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
: values=0,0
| dBscale-min=-34.50dB,step=1.50dB,mute=0
numid=2,iface=MIXER,name='Speaker Playback Switch'
; type=BOOLEAN,access=rw------,values=2
: values=off,off
numid=1,iface=MIXER,name='Speaker Playback Volume'
; type=INTEGER,access=rw---R--,values=2,min=0,max=127,step=0
: values=0,0
| dBscale-min=-95.25dB,step=0.75dB,mute=1
numid=32,iface=PCM,name='Capture Channel Map'
; type=INTEGER,access=r----R--,values=2,min=0,max=36,step=0
amixer: Control default element read error: Invalid argument
numid=31,iface=PCM,name='Playback Channel Map'
; type=INTEGER,access=r----R--,values=4,min=0,max=36,step=0
: values=0,0,0,0
| container
| chmap-fixed=FL,FR
| chmap-fixed=FL,FR,RL,RR
numid=33,iface=PCM,name='Capture Channel Map',device=2
; type=INTEGER,access=r----R--,values=2,min=0,max=36,step=0
: values=0,0
| container
| chmap-fixed=FL,FR
numid=39,iface=PCM,name='ELD',device=3
; type=BYTES,access=r--v----,values=0
: values=
numid=52,iface=PCM,name='Playback Channel Map',device=3
; type=INTEGER,access=rw---R--,values=8,min=0,max=36,step=0
: values=0,0,0,0,0,0,0,0
| container
| chmap-variable=FL,FR
numid=45,iface=PCM,name='ELD',device=7
; type=BYTES,access=r--v----,values=0
: values=
numid=53,iface=PCM,name='Playback Channel Map',device=7
; type=INTEGER,access=rw---R--,values=8,min=0,max=36,step=0
: values=0,0,0,0,0,0,0,0
| container
| chmap-variable=FL,FR
numid=51,iface=PCM,name='ELD',device=8
; type=BYTES,access=r--v----,values=0
: values=
numid=54,iface=PCM,name='Playback Channel Map',device=8
; type=INTEGER,access=rw---R--,values=8,min=0,max=36,step=0
: values=3,4,5,6,7,8,0,0
| container
| chmap-variable=FL,FR
Alsamixer截图：
答案1
您是否尝试过安装脉冲音频音量控制看看设备是否出现？