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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Second Monitor Is Not Working Using USB-C Adapter

I am new to Ubuntu and I have just installed it on my laptop. I am using an external monitor that have an HDMI cable, so when I plugged in this cable directly in my PC(using the HDMI port) or using an ...
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My 2nd Monitor suddenly stopped working

So I was trying to use my second monitor on my Ubuntu laptop for class as usual, but for some reason it wasn't picking up signal from my laptop at all. I tried to see if it was a problem with my ...
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Disabling onboard sound so that I can use ASUS Strix Soar as default sound card

Pulseaudio murdered my last Audigy 2 soundcard, it did this because it kept turning the PCM to maximum volume on the sound card, and it kept changing the audio levels automatically every time i ...
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USB-C to HDMI adapter drivers?

Is there any available open source USB-C to HDMI drivers for Debian 10? I am using the following operating system: Linux debian 4.19.0-14-amd64 #1 SMP Debian 4.19.171-2 (2021-01-30) x86_64 GNU/Linux ...
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Odroid N2plus Alsa playing sound through HDMI

I'm having a hard time setting up ALSA on Ubuntu 20.04.2 LTS server running kernel 5.11.0-odroid-arm64. The user is a member of the audio group. Only ALSA is installed on the system. It is a KMSDRM ...
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1answer
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Ubuntu 16.04 HDMI audio stopped working (shows as unplugged but works in tty1)

I'm running ubuntu 16.04 and connecting to an Onkyo receiver w/ HDMI for sound. Initially everything worked fine and I was able to select HDMI output from Settings > Sound > Output. Something ...
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Mysterious problem on setting up Reverse Prime (NVIDIA Optimus offloading through OutputSink) for an HDMI external monitor

I just recently decided to try Prime (NVIDIA offloading applications to its gpu, while system using integrated gpu, in my case Intel HD630) on my Slackware-current laptop, and soon I discovered that I ...
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1answer
19 views

PulseAudio changes default device occasionally

I run Devuan GNU/Linux 3 Beowulf. My system uses pulseaudio. I have an on-board audio device, 2 GPUs with their own audio capabilities (e.g. via HDMI) and on-board HDMI which goes to my monitor (that ...
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Only one HDMI port recognized on USB-C dock

I've gotten my hands on a JCD543 and only the HDMI/DP combination port is detected on my carbon x1 5th gen running linux while the secondary HDMI and VGA port are not. $ dmesg -w [337962.676809] pci ...
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Linux not reactivating HDMI link after switching projector on

My PC has a Geforce 980 Ti card and is running Linux Mint 20.1 MATE with Nvidia driver version 460.32.03. The attached displays are a LG LCD monitor on DisplayPort and an Optoma UHD42 projector on ...
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1answer
24 views

How can I recover if built-in laptop monitor and external monitor isn't working?

My laptop's built-in monitor is already broken. So, I tried to use an HDMI cable to connect to an external monitor, and it displayed and worked without any problems for few hours. I had to restart the ...
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HDMI Port not working - Lenovo Thinkpad T570 with Ubuntu 20.04

I try to connect my Lenovo ThinkPad T570 via the HDMI port to my monitor but it seems like my Ubuntu 20.04.2 LTS using GDM3 does not recognize it. I already verified that the HDMI cable is working ...
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Linux Not Detecting second display via only HDMI Port on laptop

I made a full switch to Kali Linux in order to stop myself from being able to game. My second display works with windows but not with linux. I had the same issue with Ubuntu xrandr does not seem to ...
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1answer
85 views

How to set force-dvi on wayland?

While I've figured out how to set a custom resolution on wayland via: https://askubuntu.com/questions/973499/wayland-how-to-set-a-custom-resolution, I cannot figure out how to set the wayland ...
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How do I make omxplayer playing /dev/video0 on Raspberry Pi

I am using the following script to play an HDMI video capture input connected to one of the USB ports of Pi: #!/bin/bash rm /tmp/vbuf mkfifo /tmp/vbuf ffmpeg -loglevel -8 -y -f v4l2 -input_format ...
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Arch Linux KDE freezes whenever I try to connect to HDMI

I have a laptop with Arch Linux and KDE Plasma and I want to connect it to a display using HDMI. But each time I plug in the HDMI cord, nothing shows up on my other display and everything freezes ...
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thunderbolt port not sending video

I have a razr stealth RZ0901952E72 running ubuntu20.04 5.4.0-58-generic. When using a macbook with usb-c ports I could run a philips 243V5L using a usbc-hdmi cable. I'd like to do the same with the ...
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How to use a 4K monitor with 60Hz and HDMI 2 on Debian/KDE with onboard graphics / only free graphics drivers?

I have a 4K monitor capable of 60 Hz with HDMI 2. I have it connected to my machine with the 60Hz-capable cable that came with the monitor. However, in the Display options of KDE the highest Refresh ...
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My hdmi is disconected on xrandr. I can see it. How connect my second monitor?

I took my domputer for work remotely and after comming back and add the second monito via hdmi it doesnt work. it says it is disconnected: Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 ...
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How to send audio over HDMI without treating it as a separate display?

I have a 4k monitor connected via DisplayPort and an audio receiver connected via HDMI. The receiver is too old to support 4k, so I can't just pass through video to the display - they need to be ...
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Disable energy saving settings completely? HDMI signal lost (DPMS and screensaver already disabled)

On my MX Linux XFCE environment I have the problem that after a certain time without interaction after power on the HDMI signal is lost and can only be retrieved with pressing a keyboard key. I would ...
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1answer
145 views

Can't set the resolution to 1080 on a VGA to HDMI adapter on Debian 10 (Thinkpad X220)

I've tried this : https://wiki.archlinux.org/index.php/xrandr#Permanently_adding_undetected_resolutions Here I was advised on the Debian IRC channel to change the path of the config file to: /etc/X11/...
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With HDMI audio, sound volume control does not work in Gnome-3.38 on FreeBSD-12.1

I have a 2nd Gen Intel Sandy bridge Core i3 system with integrated graphics. I am using HDMI output which is connected to my monitor from where the jack is connected to my 2.1 Logitech speaker system. ...
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1answer
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External monitor through 'HDMI - USB-C adapter' detected, but gives black screen

I've recently bought a new Asus TUF Gaming A15 laptop which has a HDMI and a USB-c port. My setup is as follows: Laptop: Asus TUF Gaming A15 OS: Kubuntu 20.04 Monitor 1: Laptop screen Monitor 2: ...
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Deepin 20 - HDMI not working

I installed Deepin 20 (Community) and HDMI port not working. I've already check ISO MD5 and everything is ok. Also, i tried to install in these following OS and the results are: Deepin 15.10: HDMI ...
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How do you send/stream AC3/A52 encoded audio via HDMI?

I need my multi-channel (game) audio to be AC3 (or DTS) encoded and sent over HDMI (don't want to bore you with the details). I've tried following multiple howtos, like https://help.ubuntu.com/...
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Debian 10 does not recognize HDMI and problems to switch to Nvidia

Hi I'm having to many problems to connect a Samsung HDMI monitor to my Laptop with Debian GNU/Linux 10 (buster) I've already done reasearch but nothing seems to work. These are my outputs to some ...
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60 views

Configure LCD in Linux kernel to load specific LCD on boot

I have an LCD with its module board connected to my core4418 friendlyARM(embedded). This LCD is connected via a flat (ribbon) cable and not HDMI. When my Linux boots, dmeasg | grep lcd shows this: ...
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tvservice -M command doesn't show any HDMI event changes in Raspberry Pi 3B+

I have a Raspberry Pi 3B+ device running raspbian and it is connected to an HDMI display. I need to monitor HDMI events like unplugging cable or attaching cable. However when I use tvservice -M ...
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619 views

How do I get both “Analog Stereo” and “Digital Stereo (HDMI)” to show up in PulseAudio output ports?

As the title states, I'm unable to see both the built-in Analog Stereo and Digital Stereo (HDMI) as output options in PulseAudio. I can change the profile in the Configuration tab and switch between ...
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989 views

how to get my AMD GPU to work under debian?

Okay guys i lost all hope to solve this problem. I have a dell m4800 which supports 2 gpu's Intel and AMD m5100. i tried everything to get the AMD GPU to work but with no luck, the main problem is ...
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258 views

HDMI input not detected on Debian 10

I am running Debian 10 Buster on an an hybrid laptop with the following GPUs: $ lspci | grep -E "VGA|3D" 00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 630 (Mobile) 01:...
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size of display connected via HDMI was'nt automatically detected correctly (xUbuntu)

I have xUbuntu 18.04.4 LTS (XFCE 4.12 + 4.15.0-111 Linux kernel) on the Dell Vostro 3360 laptop. When I connected the external display (Samsung SyncMaster T240) via VGA cable - all is good and I got ...
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HDMI monitor not detected on Buster (Lenovo laptop)

I have read and followed suggestions on a few forums, but I am still not able to get my Debian Buster to detect the monitor in the HDMI output (the monitor works on other laptops and on my desktop). ...
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No any microphone and HDMI device speaker are being detected

I have an Lenovo Ideapad 15IKB, with Bodhi Linux, based on Ubuntu, and KDE Plasma, and a wireless headphone. Both have microphones but none of them are being detected. I even tried install the correct ...
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50 views

2nd usb audio card - unable to set as default on OdroidXU4 - application still uses hdmi sound

Ubuntu minimal 20.04 LTS running on OdroidXU4. So no desktop environment. root@odroid:~# cat /proc/asound/cards 0 [OdroidXU4 ]: Odroid-XU4 - Odroid-XU4 Odroid-XU4 1 [Device ...
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LXDE destroys session after suspend if HDMI is being used

I'm using Debian 10 + LXDE. Sometimes, very rarely, after turning the PC on after suspend and entering user/password, every application has been closed. After opening then again, they offer to recover ...
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573 views

HDMI audio is pitch-shifted like chipmunk (AMD RX 500 series GPU: RX 570, RX 580, RX 590)

I am a Linux user and have installed a new Sapphire PULSE Radeon RX 580 8GB in my machine and am experiencing audio distortion in the HDMI output from the card. The Linux kernel AMDGPU video driver ...
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1k views

xrandr: Configure crtc 1 failed

I'm trying to connect my laptop to a TV screen via HDMI. Here is the output of xrandr: Screen 0: minimum 8 x 8, current 1366 x 768, maximum 32767 x 32767 eDP1 connected primary 1366x768+0+0 (normal ...
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211 views

How to drive an external monitor that does not send hotplug info over HDMI?

Since a few days I have the Dasung Paperlike HD device and after using it for one day I'm afraid the utility that comes with it, did something it shouldn't have done. Hot-plug events First, of all, ...
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0answers
727 views

Type C to HDMI not working on Linux Mint 19.3 Cinnamon

Has anyone found a solution to this issue? I've recently installed Linux Mint alongside Windows on a Lenovo T480 and while the Type C port works with an adapter to HDMI when using Windows, Linux Mint ...
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528 views

GRUB2 won't use HDMI display

Hi I wonder if you could help me with my grub menu; I'm not able to see it on my HDMI display, and so I end up just booting the default option unless I can remember how to drive it blindly. My display ...
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No HDMI audio output

I have no audio output on an HDMI TV. aplay -l lists the following: **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: ALC285 Analog [ALC285 Analog] Subdevices: 1/1 ...
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Second VGA monitor is not being detected

I have 2 Monitors Primary HDMI (Nvidia 1050Ti): Working perfectly fine. Secondary VGA (Intel Motherboard): Blank. sudo lshw -C display *-display description: VGA ...
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2answers
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Debian 10 [Buster]: HDMI Input Not detected

OS: GNOME 3.30.2 on Debian GNU/Linux 10 (64-bit) My laptop has no output from the HDMI port. The monitor shows "NO INPUT DETECTED". Previously I had Kubuntu installed and before that I had windows 10,...
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1answer
331 views

How to keep Linux Mint volume media keys and tray volume control working after HDMI switch

Normally, after a recent fresh install of Linux Mint 19.3 x64 MATE on an Acer Aspire E15 laptop, media keys (using Fn+arrow keys on the built-in keyboard, or dedicated keys on an external keyboard) ...
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1answer
565 views

Xrandr doesn't detect HDMI port on the motherboard?

I am running Mageia 4.14 KDE. On a newly installed Mageia system I can't change the resolution for my monitors. I have One monitor hooked up to the HDMI port and other on VGA port. They both come up ...
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372 views

How to blacklist a pacmd sink?

I don't want my computer's output to ever change to a particular sink (sometimes the sink switches over on reboot). I cannot fix a sink to be constant because I want the default sink to change when I ...
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Turning on selinux causes HDMI to not work. How to resolve?

In my ubuntu setup, i've turned on selinux. However that causes the HDMI port to not work? I assume there's a policy in there that stops this, but setting selinux to permissive, the machine still ...
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Graphics card not being used on Manjaro with HDMI

I honestly couldn't think of a better to way to phrase the title of this, sorry, but here's my issue: For a long time I ran Antergos on my desktop with no problem, but the today I've installed ...

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