Sound suddenly stopped working

Operating System: Manjaro Linux
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.105.0
Qt Version: 5.15.9
Kernel Version: 6.1.26-1-MANJARO (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-2670QM CPU @ 2.20GHz
Memory: 7.7 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics 3000
Manufacturer: Dell Inc.
Product Name: Inspiron N5110

When I attempt to test the sound, I get the error

Error trying to play a test sound.
The system said: "File or data not found"

The machine was running with Kernel 5.15, I installed 6.1 to see if that made a difference. Also it occurred before the latest update. The latest update did not fix the issue either.

inxi -Fazy

System:
  Kernel: 5.15.109-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 12.2.1
    parameters: BOOT_IMAGE=/boot/vmlinuz-5.15-x86_64
    root=UUID=1d8a9288-6106-4bce-a00e-74f06ff0fe04 rw quiet
    resume=UUID=cf201657-277e-4cd1-a99b-f811eb0d01fe udev.log_priority=3
  Desktop: KDE Plasma v: 5.27.4 tk: Qt v: 5.15.9 wm: kwin_x11 vt: 1 dm: SDDM
    Distro: Manjaro Linux base: Arch Linux
Machine:
  Type: Portable System: Dell product: Inspiron N5110 v: N/A
    serial: <superuser required> Chassis: type: 8 serial: <superuser required>
  Mobo: Dell model: 0mwxpk v: A09 serial: <superuser required> BIOS: Dell
    v: A09 date: 09/30/2011
Battery:
  ID-1: BAT0 charge: 46.6 Wh (100.0%) condition: 46.6/46.6 Wh (100.0%)
    volts: 12.3 min: 11.1 model: SMP DELL 8NH5515 type: Li-ion serial: <filter>
    status: full
CPU:
  Info: model: Intel Core i7-2670QM bits: 64 type: MT MCP arch: Sandy Bridge
    gen: core 2 level: v2 built: 2010-12 process: Intel 32nm family: 6
    model-id: 0x2A (42) stepping: 7 microcode: 0x2F
  Topology: cpus: 1x cores: 4 tpc: 2 threads: 8 smt: enabled cache:
    L1: 256 KiB desc: d-4x32 KiB; i-4x32 KiB L2: 1024 KiB desc: 4x256 KiB
    L3: 6 MiB desc: 1x6 MiB
  Speed (MHz): avg: 798 min/max: 800/3100 scaling: driver: intel_cpufreq
    governor: schedutil cores: 1: 798 2: 798 3: 798 4: 798 5: 798 6: 798 7: 798
    8: 798 bogomips: 35138
  Flags: avx ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
  Vulnerabilities:
  Type: itlb_multihit status: KVM: VMX disabled
  Type: l1tf mitigation: PTE Inversion; VMX: conditional cache flushes, SMT
    vulnerable
  Type: mds mitigation: Clear CPU buffers; SMT vulnerable
  Type: meltdown mitigation: PTI
  Type: mmio_stale_data status: Unknown: No mitigations
  Type: retbleed status: Not affected
  Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via
    prctl and seccomp
  Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer
    sanitization
  Type: spectre_v2 mitigation: Retpolines, IBPB: conditional, IBRS_FW,
    STIBP: conditional, RSB filling, PBRSB-eIBRS: Not affected
  Type: srbds status: Not affected
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: Intel 2nd Generation Core Processor Family Integrated Graphics
    vendor: Dell driver: i915 v: kernel arch: Gen-6 code: Sandybridge
    process: Intel 32nm built: 2011 ports: active: LVDS-1 empty: VGA-1
    bus-ID: 00:02.0 chip-ID: 8086:0116 class-ID: 0300
  Device-2: Sunplus Innovation Dell HD Webcam type: USB driver: uvcvideo
    bus-ID: 1-1.5:5 chip-ID: 1bcf:2880 class-ID: 0e02
  Display: x11 server: X.Org v: 21.1.8 compositor: kwin_x11 driver: X:
    loaded: modesetting dri: crocus gpu: i915 display-ID: :0 screens: 1
  Screen-1: 0 s-res: 1366x768 s-dpi: 96 s-size: 361x203mm (14.21x7.99")
    s-diag: 414mm (16.31")
  Monitor-1: LVDS-1 model: LG Display 0x02dc built: 2010 res: 1366x768 hz: 60
    dpi: 101 gamma: 1.2 size: 344x194mm (13.54x7.64") diag: 395mm (15.5")
    ratio: 16:9 modes: 1366x768
  API: OpenGL v: 3.3 Mesa 23.0.3 renderer: Mesa Intel HD Graphics 3000 (SNB
    GT2) direct-render: Yes
Audio:
  Device-1: Intel 6 Series/C200 Series Family High Definition Audio
    vendor: Dell driver: snd_hda_intel v: kernel bus-ID: 00:1b.0
    chip-ID: 8086:1c20 class-ID: 0403
  API: ALSA v: k5.15.109-1-MANJARO status: kernel-api with: aoss
    type: oss-emulator tools: alsamixer,amixer
  Server-1: JACK v: 1.9.22 status: off tools: N/A
  Server-2: PipeWire v: 0.3.70 status: off with: pipewire-media-session
    status: active tools: pw-cli
  Server-3: PulseAudio v: 16.1 status: active with: pulseaudio-jack
    type: module tools: pacat,pactl,pavucontrol
Network:
  Device-1: Realtek RTL810xE PCI Express Fast Ethernet vendor: Dell
    driver: r8169 v: kernel pcie: gen: 1 speed: 2.5 GT/s lanes: 1 port: d000
    bus-ID: 05:00.0 chip-ID: 10ec:8136 class-ID: 0200
  IF: enp5s0 state: up speed: 100 Mbps duplex: full mac: <filter>
  Device-2: Intel Centrino Wireless-N 1030 [Rainbow Peak] driver: iwlwifi
    v: kernel pcie: gen: 1 speed: 2.5 GT/s lanes: 1 bus-ID: 09:00.0
    chip-ID: 8086:008a class-ID: 0280
  IF: wlp9s0 state: down mac: <filter>
  IF-ID-1: wg-mullvad state: unknown speed: N/A duplex: N/A mac: N/A
Bluetooth:
  Device-1: Intel Centrino Advanced-N 6230 Bluetooth adapter type: USB
    driver: btusb v: 0.8 bus-ID: 1-1.4:4 chip-ID: 8086:0189 class-ID: e001
  Report: rfkill ID: hci0 rfk-id: 0 state: up address: see --recommends
Drives:
  Local Storage: total: 465.76 GiB used: 40.73 GiB (8.7%)
  SMART Message: Unable to run smartctl. Root privileges required.
  ID-1: /dev/sda maj-min: 8:0 vendor: Crucial model: CT500MX500SSD1
    size: 465.76 GiB block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
    type: SSD serial: <filter> rev: 023 scheme: GPT
Partition:
  ID-1: / raw-size: 40.04 GiB size: 39.11 GiB (97.69%) used: 16.48 GiB (42.1%)
    fs: ext4 dev: /dev/sda1 maj-min: 8:1
  ID-2: /home raw-size: 406.18 GiB size: 398.73 GiB (98.17%)
    used: 24.24 GiB (6.1%) fs: ext4 dev: /dev/sda2 maj-min: 8:2
Swap:
  Kernel: swappiness: 60 (default) cache-pressure: 100 (default)
  ID-1: swap-1 type: partition size: 19.53 GiB used: 0 KiB (0.0%)
    priority: -2 dev: /dev/sda3 maj-min: 8:3
Sensors:
  System Temperatures: cpu: 50.0 C mobo: N/A
  Fan Speeds (RPM): cpu: 0
Info:
  Processes: 277 Uptime: 2h 23m wakeups: 1 Memory: 7.67 GiB
  used: 4.73 GiB (61.7%) Init: systemd v: 252 default: graphical
  tool: systemctl Compilers: gcc: 12.2.1 clang: 15.0.7 Packages: pm: pacman
  pkgs: 1338 libs: 340 tools: pamac pm: flatpak pkgs: 0 Shell: Zsh v: 5.9
  default: Bash v: 5.1.16 running-in: konsole inxi: 3.3.26

pacmd dump

### Configuration dump generated at Mon May  8 13:22:43 2023

load-module module-device-restore
load-module module-stream-restore
load-module module-card-restore
load-module module-augment-properties
load-module module-switch-on-port-available
load-module module-udev-detect
load-module module-alsa-card device_id="0" name="pci-0000_00_1b.0" card_name="alsa_card.pci-0000_00_1b.0" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes avoid_resampling=no card_properties="module-udev-detect.discovered=1"
load-module module-bluetooth-policy
load-module module-bluetooth-discover
load-module module-bluez5-discover
load-module module-dbus-protocol
load-module module-native-protocol-unix
load-module module-gsettings
load-module module-default-device-restore
load-module module-always-sink
load-module module-intended-roles
load-module module-suspend-on-idle
load-module module-console-kit
load-module module-systemd-login
load-module module-position-event-sounds
load-module module-role-cork
load-module module-filter-heuristics
load-module module-filter-apply
load-module module-cli-protocol-unix

set-sink-volume alsa_output.pci-0000_00_1b.0.analog-stereo 0x128f6
set-sink-mute alsa_output.pci-0000_00_1b.0.analog-stereo no
suspend-sink alsa_output.pci-0000_00_1b.0.analog-stereo no

set-source-volume alsa_output.pci-0000_00_1b.0.analog-stereo.monitor 0x10000
set-source-mute alsa_output.pci-0000_00_1b.0.analog-stereo.monitor no
suspend-source alsa_output.pci-0000_00_1b.0.analog-stereo.monitor no
set-source-volume alsa_input.pci-0000_00_1b.0.analog-stereo 0x570a
set-source-mute alsa_input.pci-0000_00_1b.0.analog-stereo no
suspend-source alsa_input.pci-0000_00_1b.0.analog-stereo yes

set-card-profile alsa_card.pci-0000_00_1b.0 output:analog-stereo+input:analog-stereo

set-default-sink alsa_output.pci-0000_00_1b.0.analog-stereo
set-default-source alsa_input.pci-0000_00_1b.0.analog-stereo

### EOF

amixer --card=0

Simple mixer control 'Master',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 127
  Mono: Playback 127 [100%] [0.00dB] [on]
Simple mixer control 'Headphone',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 127
  Mono:
  Front Left: Playback 0 [0%] [-99999.99dB] [off]
  Front Right: Playback 0 [0%] [-99999.99dB] [off]
Simple mixer control 'Speaker',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 127
  Mono:
  Front Left: Playback 127 [100%] [0.00dB] [on]
  Front Right: Playback 127 [100%] [0.00dB] [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 255 [100%] [0.00dB]
  Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'Mic',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 0 [0%] [-34.50dB] [off]
  Front Right: Playback 0 [0%] [-34.50dB] [off]
Simple mixer control 'Mic Boost',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 3
  Front Left: 0 [0%] [0.00dB]
  Front Right: 0 [0%] [0.00dB]
Simple mixer control 'Beep',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 3
  Mono: Playback 1 [33%] [-12.00dB] [on]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 15
  Front Left: Capture 15 [100%] [22.50dB] [on]
  Front Right: Capture 15 [100%] [22.50dB] [on]
Simple mixer control 'Auto-Mute Mode',0
  Capabilities: enum
  Items: 'Disabled' 'Enabled'
  Item0: 'Disabled'
Simple mixer control 'Internal Mic Boost',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 3
  Front Left: 0 [0%] [0.00dB]
  Front Right: 0 [0%] [0.00dB]
Simple mixer control 'Loopback Mixing',0
  Capabilities: enum
  Items: 'Disabled' 'Enabled'
  Item0: 'Disabled'

Sorry it was something my partner did by accident while watching youtube videos. She actually worked out what she did, and fixed it.

This below, is still a error, but sound seems to be working

When I saw this above I failed to check to see if mpg files were also not working. I suspect they were all along.

So in the end that is the only and real error.

Copied files from /usr/share/sounds on my computer to /usr/share/sounds on my partners computer.

Works fine now.

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