Problemas com o som no Dell Optiplex 755 - Linux Mint 20

Boa tarde a todos!

Estou com um problema no drive de som de uma máquina Dell Optiplex 755 no Linux Mint 20 - XFCE.

Essa mesma máquina estava com o Linux Mint 19 e estava funcionando normal. Essa máquina possui uma caixa de som interna na CPU e após a atualização do sistema ela não funcionou mais e não consegui identificar o problema.

Já fiz algumas buscas na internet, mas todas as soluções não funcionaram.

Desde já obrigado pela atenção de todos.


Segue abaixo os dados da máquina em questão:
System: Kernel: 5.4.0-66-generic x86_64 bits: 64 compiler: gcc v: 9.3.0 Desktop: Xfce 4.14.2
tk: Gtk 3.24.13 wm: xfwm4 dm: LightDM Distro: Linux Mint 20.1 Ulyssa
base: Ubuntu 20.04 focal
Machine: Type: Desktop System: Dell product: OptiPlex 755 v: N/A serial: Chassis:
type: 3 serial:
Mobo: Dell model: 0WX729 serial: BIOS: Dell v: A08 date: 02/19/2008
CPU: Topology: Dual Core model: Intel Core2 Duo E4500 bits: 64 type: MCP arch: Core Merom
rev: D L2 cache: 2048 KiB
flags: lm nx pae sse sse2 sse3 ssse3 bogomips: 8777
Speed: 2194 MHz min/max: N/A Core speeds (MHz): 1: 2194 2: 2194
Graphics: Device-1: Intel 82Q35 Express Integrated Graphics vendor: Dell OptiPlex 755
driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:29b2
Display: x11 server: X.Org 1.20.9 driver: intel unloaded: fbdev,modesetting,vesa
resolution: 1024x768~60Hz
OpenGL: renderer: Mesa DRI Intel Q35 v: 1.4 Mesa 20.2.6 direct render: Yes
Audio: Device-1: Intel 82801I HD Audio vendor: Dell Optiplex 755 driver: snd_hda_intel
v: kernel bus ID: 00:1b.0 chip ID: 8086:293e
Sound Server: ALSA v: k5.4.0-66-generic
Network: Device-1: Intel 82566DM-2 Gigabit Network vendor: Dell OptiPlex 755 driver: e1000e
v: 3.2.6-k port: ecc0 bus ID: 00:19.0 chip ID: 8086:10bd
IF: enp0s25 state: up speed: 100 Mbps duplex: full mac:
Drives: Local Storage: total: 74.53 GiB used: 10.88 GiB (14.6%)
ID-1: /dev/sda vendor: Western Digital model: WD800JD-00MSA1 size: 74.53 GiB
speed: 3.0 Gb/s serial:
Partition: ID-1: / size: 8.61 GiB used: 7.17 GiB (83.3%) fs: ext4 dev: /dev/sda7
ID-2: /home size: 54.75 GiB used: 3.71 GiB (6.8%) fs: ext4 dev: /dev/sda5
USB: Hub: 1-0:1 info: Full speed (or root) Hub ports: 6 rev: 2.0 chip ID: 1d6b:0002
Hub: 2-0:1 info: Full speed (or root) Hub ports: 6 rev: 2.0 chip ID: 1d6b:0002
Hub: 3-0:1 info: Full speed (or root) Hub ports: 2 rev: 1.1 chip ID: 1d6b:0001
Hub: 4-0:1 info: Full speed (or root) Hub ports: 2 rev: 1.1 chip ID: 1d6b:0001
Hub: 5-0:1 info: Full speed (or root) Hub ports: 2 rev: 1.1 chip ID: 1d6b:0001
Hub: 6-0:1 info: Full speed (or root) Hub ports: 2 rev: 1.1 chip ID: 1d6b:0001
Device-1: 6-1:2 info: CASUE CASUE USB Keyboard type: Keyboard,HID
driver: hid-generic,usbhid rev: 1.1 chip ID: 2a7a:9a18
Device-2: 6-2:3 info: Pixart Imaging Optical Mouse type: Mouse
driver: hid-generic,usbhid rev: 1.1 chip ID: 093a:2510
Hub: 7-0:1 info: Full speed (or root) Hub ports: 2 rev: 1.1 chip ID: 1d6b:0001
Sensors: System Temperatures: cpu: 59.0 C mobo: N/A
Fan Speeds (RPM): N/A
Repos: No active apt repos in: /etc/apt/sources.list
Active apt repos in: /etc/apt/sources.list.d/google-chrome.list
1: deb [arch=amd64] http: //dl.google.com/linux/chrome/deb/ stable main
Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list
1: deb http: //packages.linuxmint.com ulyssa main upstream import backport #id:linuxmint_main
2: deb http: //archive.ubuntu.com/ubuntu focal main restricted universe multiverse
3: deb http: //archive.ubuntu.com/ubuntu focal-updates main restricted universe multiverse
4: deb http: //archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse
5: deb http: //security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
6: deb http: //archive.canonical.com/ubuntu/ focal partner
Active apt repos in: /etc/apt/sources.list.d/teamviewer.list
1: deb https: //linux.teamviewer.com/deb stable main
Info: Processes: 170 Uptime: 11m Memory: 3.71 GiB used: 646.8 MiB (17.0%) Init: systemd
v: 245 runlevel: 5 Compilers: gcc: 9.3.0 alt: 9 Client: Unknown python3.8 client
inxi: 3.0.38

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