Hello!
As said in the title, I have no audio over HDMI.
I tried on 2 computers, the one had it’s HDMI port wired to the Nvidia card, and the other one on the CPU. And I have the audio output Speakers, but there’s no audio.
Thanks in advance!
As normal, please provide inxi -Fxxxz output (as text).
Also, make sure you have tried at least the two standard Arch kernels (linux and linux-lts).
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Audio: Device-1: Intel 200 Series PCH HD Audio vendor: ASUSTeK driver: snd_hda_intel v: kernel bus-ID: 00:1f.3
chip-ID: 8086:a2f0 class-ID: 0403
Sound Server-1: ALSA v: k5.11.16-zen1-1-zen running: yes
Sound Server-2: JACK v: 0.125.0 running: no
Sound Server-3: PulseAudio v: 14.2 running: yes
Sound Server-4: PipeWire v: 0.3.26 running: no
I also tried the 3 kerels I have. (Zen, LTS, and normal) But they didn’t worked.
Please 
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Oh, you need the whole thing, my bad.
╰─λ inxi -Fxxxz
System: Kernel: 5.11.16-arch1-1 x86_64 bits: 64 compiler: gcc v: 10.2.0 Desktop: KDE Plasma 5.21.4 tk: Qt 5.15.2
info: latte-dock wm: kwin_x11 vt: 2 dm: SDDM Distro: Garuda Linux base: Arch Linux
Machine: Type: Desktop Mobo: ASUSTeK model: PRIME B250M-PLUS v: Rev X.0x serial: <filter> UEFI: American Megatrends v: 0809
date: 07/10/2017
Battery: Device-1: apple_mfi_fastcharge model: N/A serial: N/A charge: N/A status: N/A
CPU: Info: Quad Core model: Intel Core i5-7400 bits: 64 type: MCP arch: Kaby Lake rev: 9 cache: L2: 6 MiB
flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 24008
Speed: 1247 MHz min/max: 800/3500 MHz Core speeds (MHz): 1: 1247 2: 1100 3: 1333 4: 1836
Graphics: Device-1: Intel HD Graphics 630 vendor: ASUSTeK driver: i915 v: kernel bus-ID: 00:02.0 chip-ID: 8086:5912
class-ID: 0300
Display: x11 server: X.Org 1.20.11 compositor: kwin_x11 driver: loaded: modesetting resolution: 1920x1080~60Hz
s-dpi: 96
OpenGL: renderer: Mesa Intel HD Graphics 630 (KBL GT2) v: 4.6 Mesa 21.0.3 direct render: Yes
Audio: Device-1: Intel 200 Series PCH HD Audio vendor: ASUSTeK driver: snd_hda_intel v: kernel bus-ID: 00:1f.3
chip-ID: 8086:a2f0 class-ID: 0403
Sound Server-1: ALSA v: k5.11.16-arch1-1 running: yes
Sound Server-2: JACK v: 0.125.0 running: no
Sound Server-3: PulseAudio v: 14.2 running: yes
Sound Server-4: PipeWire v: 0.3.26 running: no
Network: Device-1: Intel Ethernet I219-V vendor: ASUSTeK driver: e1000e v: kernel port: f040 bus-ID: 00:1f.6
chip-ID: 8086:15b8 class-ID: 0200
IF: enp0s31f6 state: up speed: 1000 Mbps duplex: full mac: <filter>
IF-ID-1: enp0s20f0u2c4i2 state: down mac: <filter>
IF-ID-2: virbr0 state: down mac: <filter>
RAID: Hardware-1: Intel SATA Controller [RAID mode] driver: ahci v: 3.0 port: f060 bus-ID: 00:17.0 chip-ID: 8086.2822
rev: class-ID: 0104
Drives: Local Storage: total: 352.13 GiB used: 96.43 GiB (27.4%)
ID-1: /dev/sda vendor: Samsung model: SSD 850 EVO 250GB size: 232.89 GiB speed: 6.0 Gb/s rotation: SSD
serial: <filter> rev: 3B6Q scheme: MBR
ID-2: /dev/sdb type: USB model: Inateck NS1066 size: 119.24 GiB serial: <filter> rev: 3B1Q scheme: MBR
Partition: ID-1: / size: 110.6 GiB used: 96.43 GiB (87.2%) fs: btrfs dev: /dev/dm-0
mapped: luks-8e448d09-5ce2-43a3-8964-350ddf6d9530
ID-2: /boot/efi size: 94.5 MiB used: 686 KiB (0.7%) fs: vfat dev: /dev/sdb1
ID-3: /home size: 110.6 GiB used: 96.43 GiB (87.2%) fs: btrfs dev: /dev/dm-0
mapped: luks-8e448d09-5ce2-43a3-8964-350ddf6d9530
ID-4: /var/log size: 110.6 GiB used: 96.43 GiB (87.2%) fs: btrfs dev: /dev/dm-0
mapped: luks-8e448d09-5ce2-43a3-8964-350ddf6d9530
ID-5: /var/tmp size: 110.6 GiB used: 96.43 GiB (87.2%) fs: btrfs dev: /dev/dm-0
mapped: luks-8e448d09-5ce2-43a3-8964-350ddf6d9530
Swap: ID-1: swap-1 type: zram size: 1.91 GiB used: 256 KiB (0.0%) priority: 32767 dev: /dev/zram0
ID-2: swap-2 type: zram size: 1.91 GiB used: 256 KiB (0.0%) priority: 32767 dev: /dev/zram1
ID-3: swap-3 type: zram size: 1.91 GiB used: 256 KiB (0.0%) priority: 32767 dev: /dev/zram2
ID-4: swap-4 type: zram size: 1.91 GiB used: 256 KiB (0.0%) priority: 32767 dev: /dev/zram3
Sensors: System Temperatures: cpu: 29.8 C mobo: 27.8 C
Fan Speeds (RPM): N/A
Info: Processes: 245 Uptime: 6m wakeups: 3 Memory: 7.64 GiB used: 3.9 GiB (51.1%) Init: systemd v: 248 Compilers:
gcc: 10.2.0 clang: 11.1.0 Packages: pacman: 1600 Shell: fish v: 3.2.1 running-in: alacritty inxi: 3.3.04
Have you checked your audio output settings?
What outputs are available?
For example using pavucontrol:
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I don't have the app (but can get it in PacMan), the only this I have for audio, is in the settings.
Please do. pavucontrol exposes things in a common way across all DEs, and can even show settings that the DE hides.
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I'll do it, and hope it will work for my Linux presentation. I'll tell you if it works. 
Good news.
It worked!
Thank you! 
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If you have a dig through the KDE settings the same options should be available somewhere, but pavucontrol just makes it easy. 
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