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  • Audio will not work on Dell laptop - just says "Dummy Output"

shipshapeehhh It is saying you have no audio connected.
The os picks up what ever is connected. -speakers -HDMI

Install from SC lshw and run ->sudo lshw -xml -class MULTIMEDIA

    I think you may need to try to install Sound Open Firmware, to do so, go to the software center and search for Sound Open firmware or sof-firmware and install it. And if you want to do it by terminal you can tipe sudo eopkg it sof-firmware.

    If it doesn't worked let us know.

    craigtoyoracer Sorry for late response - the speakers are built in and it doesn't register anything plugged into the headphone jack either. This is what I got for the command:
    <?xml version="1.0" standalone="yes" ?>
    <!-- generated by lshw- -->
    <!-- GCC 10.3.0 -->
    <!-- Linux 5.14.10-199.current #1 SMP PREEMPT Thu Oct 7 12:54:22 UTC 2021 x86_64 -->
    <!-- GNU libc 2 (glibc 2.33) -->
    <list>
    <node id="usb:2" claimed="true" class="multimedia" handle="USB:3:3">
    <description>Video</description>
    <product>Integrated_Webcam_HD</product>
    <vendor>CN093THN8LG0007OC71VA02</vendor>
    <physid>6</physid>
    <businfo>usb@3:6</businfo>
    <version>87.10</version>
    <serial>200901010001</serial>
    <configuration>
    <setting id="driver" value="uvcvideo" />
    <setting id="maxpower" value="500mA" />
    <setting id="speed" value="480Mbit/s" />
    </configuration>
    <capabilities>
    <capability id="usb-2.01" />
    </capabilities>
    <hints>
    <hint name="bus.icon" value="usb" />
    <hint name="usb.bDeviceClass" value="0xEF" />
    <hint name="usb.bDeviceProtocol" value="0x1" />
    <hint name="usb.bDeviceSubClass" value="0x2" />
    <hint name="usb.idProduct" value="0x585B" />
    <hint name="usb.idVendor" value="0xBDA" />
    </hints>
    </node>
    <node id="multimedia" claimed="true" class="multimedia" handle="PCI:0000:00:1f.3" modalias="pci:v00008086d0000A0C8sv00001028sd000009DEbc04sc01i00">
    <description>Multimedia audio controller</description>
    <product>Tiger Lake-LP Smart Sound Technology Audio Controller</product>
    <vendor>Intel Corporation</vendor>
    <physid>1f.3</physid>
    <subproduct>Dell</subproduct>
    <subvendor>Dell</subvendor>
    <businfo>pci@0000:00:1f.3</businfo>
    <version>20</version>
    <width units="bits">64</width>
    <clock units="Hz">33000000</clock>
    <configuration>
    <setting id="driver" value="sof-audio-pci-intel-tgl" />
    <setting id="latency" value="64" />
    </configuration>
    <capabilities>
    <capability id="pm" >Power Management</capability>
    <capability id="msi" >Message Signalled Interrupts</capability>
    <capability id="bus_master" >bus mastering</capability>
    <capability id="cap_list" >PCI capabilities listing</capability>
    </capabilities>
    <resources>
    <resource type="iomemory" value="610-60f" />
    <resource type="iomemory" value="610-60f" />
    <resource type="irq" value="16" />
    <resource type="memory" value="611d198000-611d19bfff" />
    <resource type="memory" value="611d000000-611d0fffff" />
    </resources>
    <hints>
    <hint name="icon" value="audio" />
    <hint name="pci.class" value="0x401" />
    <hint name="pci.device" value="0xA0C8" />
    <hint name="pci.subdevice" value="0x9DE" />
    <hint name="pci.subvendor" value="0x1028" />
    <hint name="pci.vendor" value="0x8086" />
    </hints>
    </node>
    </list>

      shipshapeehhh The one item that looks off is the <setting id= latency value=64>

      I have multiple audio's and each latency value=0 > so that maybe something.
      Let's check if audio is enabled in BIOS. run this code and at the end will be Onboard Device (probably Realtek)
      Status: Enabled/Disabled ?

      sudo dmidecode

      Do not post that.
      edit: Checking my notes forgot inxi 😃 run this 'no sudo' inxi -A

      Appreciate the help btw 🙂. Yup, it's disabled. How would I go about enabling it? On my F12 boot configuration GUI there's a sound toggle which I have previously tried both on and off. Inxi gives me this:

      Audio:
      Device-1: Intel Tiger Lake-LP Smart Sound Audio
      driver: sof-audio-pci-intel-tgl
      Sound Server-1: ALSA v: k5.14.12-200.current running: yes
      Sound Server-2: PulseAudio v: 15.0 running: yes

      Is there a Integrated Peripherals ? It will be there somewhere. It is safe to browse open/close but do not change unless you know why. then save/exit

        craigtoyoracer There is an "Integrated Devices" tab which includes the previously mentioned audio toggles which I have turned on, and something called Thunderbolt which says if turned on any plugged in device can access the boot.

          Nolan pointed out on another thread that sof-firmware is now available in the software center. See if that fixes the problem.