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Thread: Internal mic and webcam stopped working

  1. #1
    Join Date
    Aug 2021
    Beans
    4

    Unhappy Internal mic and webcam stopped working

    Hi everyone,

    Ive been using Ubuntu for almost a year now and never faced any issue with my internal mic and webcam - it always worked properly. However, recently I got my laptop back cover and laptop battery replaced, and since then my laptop's internal camera and mic have stopped working. My mic is detected by the laptop, but it doesn't catch any sound, and my camera is not detected altogether. I plugged in my old battery again, but the problem persisted. I would really appreciate if someone could help me get my camera and mic working again, or help me identify the issue.

    I get this error when i reboot my laptop: (image attached)
    I searched a lot on the internet, read a lot of forums, but some solutions i could just not understand, and the solutions that i could understand didn't work for me (replacing battery, disable and enable webcam).

    From my understanding, camera is connected internally in the laptop through a usb port, which my laptop is not detecting now for some reason.
    This is the output of lsusb -v
    Code:
    Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hubCouldn't open device, some information will be missing
    Device Descriptor:
      bLength                18
      bDescriptorType         1
      bcdUSB               3.00
      bDeviceClass            9 Hub
      bDeviceSubClass         0 
      bDeviceProtocol         3 
      bMaxPacketSize0         9
      idVendor           0x1d6b Linux Foundation
      idProduct          0x0003 3.0 root hub
      bcdDevice            5.11
      iManufacturer           3 
      iProduct                2 
      iSerial                 1 
      bNumConfigurations      1
      Configuration Descriptor:
        bLength                 9
        bDescriptorType         2
        wTotalLength       0x001f
        bNumInterfaces          1
        bConfigurationValue     1
        iConfiguration          0 
        bmAttributes         0xe0
          Self Powered
          Remote Wakeup
        MaxPower                0mA
        Interface Descriptor:
          bLength                 9
          bDescriptorType         4
          bInterfaceNumber        0
          bAlternateSetting       0
          bNumEndpoints           1
          bInterfaceClass         9 Hub
          bInterfaceSubClass      0 
          bInterfaceProtocol      0 Full speed (or root) hub
          iInterface              0 
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x81  EP 1 IN
            bmAttributes            3
              Transfer Type            Interrupt
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0004  1x 4 bytes
            bInterval              12
            bMaxBurst               0
    
    
    Bus 001 Device 002: ID 0bda:b009 Realtek Semiconductor Corp. 802.11n WLAN Adapter
    Couldn't open device, some information will be missing
    Device Descriptor:
      bLength                18
      bDescriptorType         1
      bcdUSB               1.10
      bDeviceClass          224 Wireless
      bDeviceSubClass         1 Radio Frequency
      bDeviceProtocol         1 Bluetooth
      bMaxPacketSize0        64
      idVendor           0x0bda Realtek Semiconductor Corp.
      idProduct          0xb009 
      bcdDevice            2.00
      iManufacturer           1 
      iProduct                2 
      iSerial                 3 
      bNumConfigurations      1
      Configuration Descriptor:
        bLength                 9
        bDescriptorType         2
        wTotalLength       0x00b1
        bNumInterfaces          2
        bConfigurationValue     1
        iConfiguration          0 
        bmAttributes         0xe0
          Self Powered
          Remote Wakeup
        MaxPower              500mA
        Interface Descriptor:
          bLength                 9
          bDescriptorType         4
          bInterfaceNumber        0
          bAlternateSetting       0
          bNumEndpoints           3
          bInterfaceClass       224 Wireless
          bInterfaceSubClass      1 Radio Frequency
          bInterfaceProtocol      1 Bluetooth
          iInterface              4 
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x81  EP 1 IN
            bmAttributes            3
              Transfer Type            Interrupt
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0010  1x 16 bytes
            bInterval               1
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x02  EP 2 OUT
            bmAttributes            2
              Transfer Type            Bulk
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0040  1x 64 bytes
            bInterval               0
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x82  EP 2 IN
            bmAttributes            2
              Transfer Type            Bulk
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0040  1x 64 bytes
            bInterval               0
        Interface Descriptor:
          bLength                 9
          bDescriptorType         4
          bInterfaceNumber        1
          bAlternateSetting       0
          bNumEndpoints           2
          bInterfaceClass       224 Wireless
          bInterfaceSubClass      1 Radio Frequency
          bInterfaceProtocol      1 Bluetooth
          iInterface              4 
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x03  EP 3 OUT
            bmAttributes            1
              Transfer Type            Isochronous
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0000  1x 0 bytes
            bInterval               1
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x83  EP 3 IN
            bmAttributes            1
              Transfer Type            Isochronous
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0000  1x 0 bytes
            bInterval               1
        Interface Descriptor:
          bLength                 9
          bDescriptorType         4
          bInterfaceNumber        1
          bAlternateSetting       1
          bNumEndpoints           2
          bInterfaceClass       224 Wireless
          bInterfaceSubClass      1 Radio Frequency
          bInterfaceProtocol      1 Bluetooth
          iInterface              4 
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x03  EP 3 OUT
            bmAttributes            1
              Transfer Type            Isochronous
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0009  1x 9 bytes
            bInterval               1
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x83  EP 3 IN
            bmAttributes            1
              Transfer Type            Isochronous
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0009  1x 9 bytes
            bInterval               1
        Interface Descriptor:
          bLength                 9
          bDescriptorType         4
          bInterfaceNumber        1
          bAlternateSetting       2
          bNumEndpoints           2
          bInterfaceClass       224 Wireless
          bInterfaceSubClass      1 Radio Frequency
          bInterfaceProtocol      1 Bluetooth
          iInterface              4 
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x03  EP 3 OUT
            bmAttributes            1
              Transfer Type            Isochronous
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0011  1x 17 bytes
            bInterval               1
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x83  EP 3 IN
            bmAttributes            1
              Transfer Type            Isochronous
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0011  1x 17 bytes
            bInterval               1
        Interface Descriptor:
          bLength                 9
          bDescriptorType         4
          bInterfaceNumber        1
          bAlternateSetting       3
          bNumEndpoints           2
          bInterfaceClass       224 Wireless
          bInterfaceSubClass      1 Radio Frequency
          bInterfaceProtocol      1 Bluetooth
          iInterface              4 
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x03  EP 3 OUT
            bmAttributes            1
              Transfer Type            Isochronous
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0019  1x 25 bytes
            bInterval               1
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x83  EP 3 IN
            bmAttributes            1
              Transfer Type            Isochronous
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0019  1x 25 bytes
            bInterval               1
        Interface Descriptor:
          bLength                 9
          bDescriptorType         4
          bInterfaceNumber        1
          bAlternateSetting       4
          bNumEndpoints           2
          bInterfaceClass       224 Wireless
          bInterfaceSubClass      1 Radio Frequency
          bInterfaceProtocol      1 Bluetooth
          iInterface              4 
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x03  EP 3 OUT
            bmAttributes            1
              Transfer Type            Isochronous
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0021  1x 33 bytes
            bInterval               1
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x83  EP 3 IN
            bmAttributes            1
              Transfer Type            Isochronous
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0021  1x 33 bytes
            bInterval               1
        Interface Descriptor:
          bLength                 9
          bDescriptorType         4
          bInterfaceNumber        1
          bAlternateSetting       5
          bNumEndpoints           2
          bInterfaceClass       224 Wireless
          bInterfaceSubClass      1 Radio Frequency
          bInterfaceProtocol      1 Bluetooth
          iInterface              4 
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x03  EP 3 OUT
            bmAttributes            1
              Transfer Type            Isochronous
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0031  1x 49 bytes
            bInterval               1
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x83  EP 3 IN
            bmAttributes            1
              Transfer Type            Isochronous
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0031  1x 49 bytes
            bInterval               1
    
    
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Couldn't open device, some information will be missing
    Device Descriptor:
      bLength                18
      bDescriptorType         1
      bcdUSB               2.00
      bDeviceClass            9 Hub
      bDeviceSubClass         0 
      bDeviceProtocol         1 Single TT
      bMaxPacketSize0        64
      idVendor           0x1d6b Linux Foundation
      idProduct          0x0002 2.0 root hub
      bcdDevice            5.11
      iManufacturer           3 
      iProduct                2 
      iSerial                 1 
      bNumConfigurations      1
      Configuration Descriptor:
        bLength                 9
        bDescriptorType         2
        wTotalLength       0x0019
        bNumInterfaces          1
        bConfigurationValue     1
        iConfiguration          0 
        bmAttributes         0xe0
          Self Powered
          Remote Wakeup
        MaxPower                0mA
        Interface Descriptor:
          bLength                 9
          bDescriptorType         4
          bInterfaceNumber        0
          bAlternateSetting       0
          bNumEndpoints           1
          bInterfaceClass         9 Hub
          bInterfaceSubClass      0 
          bInterfaceProtocol      0 Full speed (or root) hub
          iInterface              0 
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x81  EP 1 IN
            bmAttributes            3
              Transfer Type            Interrupt
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0004  1x 4 bytes
            bInterval              12
    My external USB ports are working fine, as i was able to connect a USB mouse

    I also erased my disk and reinstalled the latest Ubuntu, but to no avail.

    Im new to these forums (this is my first post) so i might have missed some important details, please let me know if there's any further information you would need.
    Attached Images Attached Images

  2. #2
    Join Date
    Sep 2009
    Location
    Pennsylvania
    Beans
    3,588
    Distro
    Xubuntu

    Re: Internal mic and webcam stopped working

    "Back cover replaced"? Why? Was it dropped? If so, check for loose connections.

  3. #3
    Join Date
    Aug 2021
    Beans
    4

    Re: Internal mic and webcam stopped working

    Sorry for my incorrect vocab. By back cover, i actually meant the LCD cover (which contains the screen of the laptop). One of my hinges were broken and that damaged the LCD cover. I'll try to open that up, check for loose connections, and get back here.

  4. #4
    Join Date
    Aug 2021
    Beans
    4

    Re: Internal mic and webcam stopped working

    I opened up the case, everything looked just fine, didn't find any loose connections. Also, when I connect my bluetooth earphones to the laptop, the speakers of the earphones work fine but the mic does not. My bluetooth earphones work fine with other devices, but its mic doesn't work only with the laptop. I really dont understand whether this is a hardware or a software issue.

  5. #5
    Join Date
    Dec 2014
    Beans
    1,849

    Re: Internal mic and webcam stopped working

    The microphone on a Bluetooth headset is a completely different issue. There are two different profiles for audio over Bluetooth - a2dp (advanced audio distribution protocol) for high(er) quality playback and hsp (headset protocol). To have the bandwidth available for high quality audio a2dp switches off the microphone. So you'd have to switch the Bluetooth headphones to the low quality hsp to have the microphone available.

    Holger

  6. #6
    Join Date
    Aug 2021
    Beans
    4

    Re: Internal mic and webcam stopped working

    Right, sorry. I was able to resolve the Bluetooth mic issue (https://askubuntu.com/questions/8313...339908#1339908) but the original issue still persists.

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