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Questions tagged [hdmi]

HDMI (High-Definition Multimedia Interface) is an interface for audio/video transmission between devices, such as computers, and displays.

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Linux Mint doesn't recognize HDMI

After switching to Linux Mint 21.3, I noticed that the system does not recognize the HDMI cable when it is connected to a TV. Even when I open the monitor settings window, it doesn't show any options ...
Samuel Zutin's user avatar
-1 votes
1 answer
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Monitor Refresh Rate Issue: 60Hz Before Login, 75Hz After Login on Multiple Linux-OS and DEs

I recently purchased a new monitor and encountered an issue regarding the refresh rate. When logging into Arch Linux with KDE Plasma on Wayland, the monitor settings indicate a 60Hz refresh rate, but ...
cyberMatter's user avatar
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Color range for tty

THIS IS NOT A PROBLEM ABOUT XORG I have a singleboard PC with Intel N100 with 2 HDMI ports. When arch boots, the color range changes to limited after i915 takeing over the display from UEFI ...
CreeperKong's user avatar
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Pulseaudio combined sinks resulting in latency & poor audio quality

I want to be able to hear sound from 3 different devices. I have the following cards. pactl list cards Card #0 Name: alsa_card.pci-0000_00_0e.0 Driver: module-alsa-card.c Owner Module: 1 ...
Zephyr's user avatar
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Configuring asound.conf for HDMI 7.1 Surround Sound with Channel Remapping

What is a correct /etc/asound.conf for an hdmi audio output that needs to 1) output as 7.1 surround sound and 2) allows remapping the output channels? The goal is to get ALSA to output some 8 channel ...
brainbag's user avatar
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How to set monitor's input source without ddcutil?

I have a PC (OS - Ubuntu Server), but I haven't monitor for it, so I decided to connect laptop (OS - Ubuntu) to it via HDMI and change input source of laptop's monitor. I'll reinstall OS on my PC, so ...
Minuta18's user avatar
1 vote
1 answer
52 views

Alsa duplicate speaker sound to HDMI

I'm seeking for help or advice to setup my audio on my linux machine. I would like to duplicate the audio coming out from the speaker to hdmi output. Please see the settings I have: aplay -l **** List ...
kj192's user avatar
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Problematic HDMI/Displayport connection after second plugin

I have a Fedora 39 install and a MSI MAG 323UPFDE monitor. Since the monitor has only one display port, I need to connect my laptop through an DisplayPort HDMI adapter. This is a DELOCK 66436 (https://...
Niemand's user avatar
  • 11
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Grub menu not visible on TV (but working)

My question is similar to this one: GRUB Menu Not Visible To summarize, GRUB seems to be working in so far that it times-out after the expected 10s I set, and starts the expected default OS, but I can'...
PiRK's user avatar
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Issues with Pulseaudio - combined output hdmi + analog

For a kiosk installation (Xubuntu) I need to have sound to output at the same time through HDMI and headphone jack on Dell Optiplex 7040 micro. The computer has an onboard card with analogue and ...
Štefan Hudáč's user avatar
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HDMI port not detected in CentOS 7

I purchased a new Lenovo ideapad 3, Core i7 decent laptop with Linux Mint. Had to backwards install Centos 7 to run an AWIPS weather program. Now the HDMI external port to run an external monitor ...
twillrick's user avatar
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Making the changes in /etc/pulse/system.pa work

I'm running pulseaudio in system mode. So I added a few changes to the /etc/pulse/system.pa file. I need to combine a few sinks for simultaneous audio output so I added those changes there. load-...
Zephyr's user avatar
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How to change the priority value for a profile in Pulseaudio sound cards

This is the result I get when running pactl list cards on my Debian system. Card #0 Name: alsa_card.pci-0000_00_0e.0 Driver: module-alsa-card.c Owner Module: 1 Properties: alsa....
Zephyr's user avatar
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How to set HDMI card - default audio card

Hello everyone I'm Use laptop + external monitors, and i need use monitor speaker and i can't see HDMI card in alsamixer, when reviewing command [ aplay -l ] result = [void@base ~]$ aplay -l **** List ...
linux-user's user avatar
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Running Linux Mint 20.1: HDMI max is 1920X1080 I want 2560X1440

I was using a DP output from a HP Elite Desk 800 G2:Linux Mint 20.1. My monitor (AOC) was on 2560X1440. It has 2 ports an HDMI and the DP. The DP has failed, the HDMI is good. I confirmed this by ...
IanHHH's user avatar
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HDMI audio not working (?) on SoC Celeron N3350, analog audio works [sof-essx8336]

I have just installed Debian 12 on a mini PC equipped with Celeron N3350. The goal is to use it for bluray playback. So far the video is smooth, but I can get audio only from the jack analog output. ...
Rho Phi's user avatar
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Can I force my laptop to recognize its HDMI port?

I have an HP Zenbook Power G9 with Ubuntu, which comes with an HDMI port. My issue is that this port does not work. When I plug the cable into it, nothing happens and the extra screen stays black. ...
Michele Bolognini's user avatar
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1 answer
333 views

How to simulate the plugging and unplugging of an HDMI cable through software?

After some struggle, I got systemctl suspend working with my Nvidia graphics card; only that when machine resumes, the monitor is blank. Yet I discovered that if I unplug the HDMI cable and plug it in ...
Philipp Claßen's user avatar
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1 answer
403 views

HDMI sound output not coming

I'm on Dell Latitude 3420; it came with pre-installed Ubuntu 20.04. I am dual booting with Devuan Chimeara uname -a Linux devuan-Latitude 5.10.0-22-amd64 #1 SMP Debian 5.10.178-3 (2023-04-22) x86_64 ...
vrgovinda's user avatar
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USB-C to HDMI adaptor does not work for my second external monitor on Ubuntu 20.04 (Razer Blade Laptop)

I spent the whole day trying to make my second external monitor work for my laptop (Razer Blade 14 - Full HD 144Hz - GeForce RTX 3060 - Black - Link). My primary monitor is connected via HDMI (and ...
Stefanos's user avatar
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537 views

Displayport to hdmi cable goes no signal in ubuntu after 10 seconds

I bought a Displayport to HDMI cable to use my second monitor, on my b660 plus asus motherboard which has a displayport along an hdmi port. I also have igpu on cpu (intel 12400). When I connect my ...
Mahdi AmirABody's user avatar
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2k views

External monitors not detected on Ubuntu

I recently was messing around with creating virtual monitors with this script and streaming them to my ipad to extend my display. I was successful in this, but I later found that afterwards I was ...
rainbowkitty227's user avatar
1 vote
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113 views

Can't reliably select HDMI audio output profile

I've connected 3 displays directly to my Nvidia GPU: my monitor, my TV and my AV receiver. Directly because my old AVR can't go beyond 1080p so I want the audio to go to my AVR and the image to my 4k ...
DanMan's user avatar
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449 views

Slow Boot Up on Display Port Compared to HDMI

I installed my Nvidia GeForce GTX 1060 driver on my Fedora 37 following this guide and everything seems to be working. The problem I have is when I plug in my Display Port. My screen would become ...
dreamzboy's user avatar
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1 vote
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112 views

How do I lock in a specific HDMI output in Pulse Audio?

So my situation is my system is randomly and arbitrarily identifying my two monitors with different names for output with every restart. And it defaults to my headphones as the output it should use. ...
Tim50001's user avatar
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1 answer
991 views

Debian 11 suddenly stopped detecting USB drives and HDMI, other USB devices and DisplayPort continue to work

I have a rather basic Debian 11 installation, kernel 5.10.0-8-amd64. I have never tinkered much with the lower-level settings. Overnight two things changed: xrandr suddenly does not detect the HDMI ...
user505344's user avatar
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2k views

Ubuntu 22.04 USB-C dock no video

I've got a Wavlink WL-UMD502 usb-c docking station connected to a USB 3.2 Gen 2 port (USB-C) with an Ubuntu 22.04 5.15.0.56-generic kernel. I installed the device driver for the Wavlink docking ...
Sir Cyber's user avatar
1 vote
1 answer
1k views

Archlinux HDMI Audio-Only Output Unplugged Unavailable

I'm trying to play some audio through HDMI to a sound system (https://www.amazon.com/dp/B09H5GJCML). On the back of the speakers, by the HDMI-shaped hole, it says "ARC". I'm driving it with ...
lmat - Reinstate Monica's user avatar
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1 answer
2k views

Fedora 37 on Intel Intgrated graphics doesn't have an option to use 1440p resolution at 120hz

I have Fedora 37 on my old PC in which I’m trying to get 1440p at 120hz working. I have an Intel core i7 3770s CPU, no external GPU (using intel integrated graphics), my motherboard is a P8H77-V, and ...
SneakyShrike's user avatar
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1 answer
633 views

pulseaudio HDMI audio output only works with some TVs (Ubuntu 18.04)

I have a HP EliteBook 745 G4 running Ubuntu 18.04 and I have a DisplayPort to HDMI cable connected to a 50" ONN non-smart TV. With this combination when I fire up pavucontrol I see two output ...
JensenHealey907's user avatar
2 votes
1 answer
630 views

How can I find out if the USB-C port on my laptop has video output (for adapter USB-C - HDMI)?

I have tried to use a hub with hdmi port that connects to the USB-C port of my computer but this one doesn't work. Checking other similar threads on Internet (and here), I see that the problem is ...
Fco Javier Balón's user avatar
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0 answers
280 views

Cannot enable 4K resolution on external monitor

I have a laptop - Toshiba Satellite L640-1157U i3-380M - with a HDMI port that probably supports 4K@30HZ. I also have an external monitor that definitely supports 4K@30HZ (doing well under win10 ...
Andy Lin's user avatar
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1k views

No high refresh rates listed with Iris Xe, but works with NVIDIA

I have two laptops connected to the same monitor (Dell G3223D) via HDMI. Both laptops run Arch Linux. One laptop has an NVIDIA card (RTX 3080) and the other is an Iris Xe (i7-1260p). The monitor ...
Boris B.'s user avatar
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0 answers
152 views

HDMI not works once unplugged and pluged again

Hello i am experiencing a very weird issue i checked other similar questions in the stack but it seems they are old and some how not working for me. PROBLEM When i attach external LED using HDMI in my ...
Zain Ul Abidin's user avatar
2 votes
0 answers
1k views

HDMI output suddenly stopped working

I installed a fresh Fedora 36 onto my MSI-GS75 laptop yesterday and everything was going smooth until about half an hour ago. The laptop was connected to a 65' 4k TV via a HDMI port on the laptop. It ...
nocnoc's user avatar
  • 121
2 votes
2 answers
2k views

Arch Linux won't play sound at all

My Arch Linux installation refuses to play sound regardless of what I do. I have run aplay -l and it is recognizing my sound cards. Here is the output: **** List of PLAYBACK Hardware Devices **** card ...
brekker's user avatar
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0 answers
2k views

Intel Smart Sound Technology - No sound - Dummy Ouput

I have bought a new laptop and installed a GNU/Linux distro along with Windows 10, the problem I am having is that I have no audio, the audio does not work with any distro that I tried while on ...
Randall Cuevas's user avatar
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0 answers
300 views

Run script every time HDMI connects/disconnects on Fedora 36?

I want to run a script every time my HDMI is connected or disconnected, is there any tools that allow me to this? I'm using Fedora 36 with GNOME 42 on Wayland.
Parker's user avatar
  • 191
1 vote
2 answers
3k views

HDMI not working in debian 11, should I update my graphics driver?

Debian 11 laptop Graphics Driver: Mesa Intel(R) UHD Graphics 630 (CFL GT2) When I plug in a HDMI connection from my laptop to my TV it doesn't connect. When I run xrandr the output isn't shown either....
Erik Zubarev's user avatar
0 votes
1 answer
160 views

Can Linux Mint v20.3 send 1080P display output signal over CAT6 cable?

I got an Asus PN51, Ryzen mini-ITX PC running Linux Mint v20.3. It is connected to my living room LG SmartTV HDMI port which allows me to see YT videos without ads. I would now like to have the same ...
user530159's user avatar
1 vote
0 answers
2k views

No sound via HDMI on a 4k TV on Fedora

I've had issues with Debian on my USFF HP ProDesk 400 G5 and the connected 4k TV (Screen tearing, resolution and sound issues), so I wanted to give Fedora a chance. I've booted the latest Workstation ...
emma.makes's user avatar
1 vote
0 answers
189 views

GRUB hangs / crashes with HDMI display

I just finished building my Klipper controlled 3d printer. As a host PC I'm using an Asrock J4105m motherboard running Debian 11. To interact with the control software I bought this touch display: ...
Marco's user avatar
  • 11
3 votes
0 answers
956 views

External monitor not detected over HDMI - Debian Lenovo X1 Carbon

I am trying to connect external monitor to my Lenovo X1 Carbon 8th gen laptop. Even after connecting the HDMI cable, there is no signal over HDMI. Here is the xrandr output Screen 0: minimum 320 x 200,...
Prashant's user avatar
2 votes
1 answer
767 views

No Audio From HDMI?

I am using CentOS 7.9 and I have Asus H110M-E (which has built-in audio and video) and GeForce GT 710 video card with the driver installed via yum: (1/4): nvidia-x11-drv-470.103.01-1.el7_9.elrepo....
HCSF's user avatar
  • 213
0 votes
1 answer
2k views

Arch - No output from my usb-c to hdmi hub

I'm trying to connect my pen display to my laptop through a usb hub with a '4k hdmi' port, but neither the tablet nor the other monitor I've tried have gotten any signal. It's possible that the port ...
Maya's user avatar
  • 1
0 votes
0 answers
991 views

HDMI - how to turn on display and switch input

I have a TV which has 4 HDMI inputs. I have a Chromecast and a Nintendo Switch connected, and I've noticed that when I turn any of them on (for example try to cast something from my phone), the TV ...
Big Bro's user avatar
  • 136
1 vote
1 answer
2k views

NVIDIA hdmi output not working

I'm running Garuda linux on my desktop and my computer has 2 HDMI ports and one of those comes from the NVIDIA 2070 super. The regular HDMI works all the time with no issues but the nvidia one just ...
Dillon Cortez's user avatar
2 votes
0 answers
321 views

How to automaticaly switch to HDMI audio when connected?

I need to make laptop running Debian 11 with KDE automatically switch from speakers to HDMI sound output (Digital Stereo (HDMI) output) when HDMI cable connects, and back to speakers when HDMI ...
Velent's user avatar
  • 39
-1 votes
1 answer
2k views

Cannot share screen with TV through HDMI

I am unable to share screen with my LG TV on ubuntu 20.04. I have installed vino for sharing screen via hdmi. When I connect my LG TV with my laptop, the screen is not shared but my TV is visible in ...
Soham Gadhave's user avatar
5 votes
1 answer
2k views

Cracks and pops in HDMI audio output in linux (Debian)

Problem description I am trying to get the audio to work correctly in my Linux installation. However, every time the audio signal goes to zero, even for only about half a second, and when it comes ...
Warma's user avatar
  • 81

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