And you could try:

sudo apt install build-essential
sudo apt-get build-dep linux-image-xxxx (the running kernel)

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1935850

Title:
  Dell XPS 17 (9710) PCI/internal sound card not detected

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  No audio/mic from internal speakers/build in microphone running Ubuntu
  20.04, 20.10 or 21.04  .  Can connect via USB headset and audio will
  work.   Tried suggestions from Dell XPS 17 (9700) but this is the new
  model and fixes do not work. Currently running 21.04 with proposed.

  Have tried hirsute-proposed (5.11.0-24-generic) with no luck.

  ProblemType: Bug
  DistroRelease: Ubuntu 21.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu7
  ProcVersionSignature: Ubuntu 5.11.0-24.25-generic 5.11.22
  Uname: Linux 5.11.0-24-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu65.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  mblack     1698 F.... pulseaudio
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Jul 12 11:21:27 2021
  InstallationDate: Installed on 2021-07-07 (4 days ago)
  InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: alsa-driver
  Symptom: audio
  Title: PCI/internal sound card not detected
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/15/2021
  dmi.bios.release: 1.2
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.2.0
  dmi.board.name: 012MMP
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.2.0:bd06/15/2021:br1.2:svnDellInc.:pnXPS179710:pvr:rvnDellInc.:rn012MMP:rvrA00:cvnDellInc.:ct10:cvr:
  dmi.product.family: XPS
  dmi.product.name: XPS 17 9710
  dmi.product.sku: 0A5D
  dmi.sys.vendor: Dell Inc.

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