Questions tagged [hdmi]

High-Definition Multimedia Interface (HDMI) is a compact audio/video interface for transmitting uncompressed digital data.

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Frame capturing from HDMI input, and from composite vide input (RCA)

I need to capture frames from a video stream in my software. What hardware card, and software interface should I use ? Input video stream will be either HDMI, or analog composite video from RCA ...
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Help debugging HDMI problem

I have a DELL XPS13 laptop running Ubuntu 18.04. I've been using Dell's USB-C to HDMI adaptor to output the screen to a projector. It worked fine until just recently, started having some connectivity ...
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Updated Ubuntu and Samsung TV will no longer recognise computer via HDMI

History Built a HTPC 10 years ago and run Unbutu since day 1 with little issues (mainly user error, as i never used Linyx before). it is connected to an Oknyo AV receiver (along with game consoles), ...
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Avoid laptop display with monitor when switching user

I have a small laptop with Ubuntu connected to a tv monitor via HDMI. I have set Single Display in Ubuntu because I'm working all the time with just the big screen. However, every time I switch ...
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No GRUB menu during Ubuntu boot with 2 displays

I have installed Ubuntu 20.04, dual booting alongside Windows, but nothing shows up on both monitors on boot up w/ Ubuntu. I know that it is taking place in the background because it automatically ...
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Monitor(s) not turning off when an additional monitor is used

When I connect my laptop (Lenovo T480s running Ubuntu 18.04) to an external monitor via HDMI, and then configure the power settings to turn off monitor(s) after 15min of inactivity, neither the laptop ...
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Setting audio output priority in Ubuntu 20.04 [duplicate]

I want to achieve the following behavior for my audio outputs: if HDMI is connected use it as audio output device else if headphones are connected use them as output device else use built-in ...
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1answer
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How can I change the screen (graphics card) that the system uses when booting and disable the other one?

I've got a triple boot system going on with Windows, Ubuntu and Mac. (It is a hackintosh). I've got a problem, that is, my dedicated graphics card (Nvidia GTX 1660) isn't supported by Mac, so I wanted ...
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Ubuntu does not output monitor's native resolution over HDMI (W10 does)

I run Ubuntu 18 on a PC connected to a 3440x1440 display. It is connected with a DisplayPort to HDMI adapter and a modern HDMI cable. The highest resolution available in the display settings is ...
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No sound coming from laptop, all HDMI and no analog

my built-in speaker sound seems to not be working. My sound hasn't worked since I switched to Ubuntu, and it has worked perfectly fine on Windows. When I first installed Ubuntu, my sound has defaulted ...
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I would like to buy a USB 3 to HDMI Adapter which works on Linux (Ubuntu 20.04) Windows and MAC [closed]

I have Plugable USB3 to HDMI Adapter (Linux is not supported and I don't see an effort) but I develop more and more on Linux and need to buy a USB to HDMI Adapter which works on Linux and Windows and ...
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Sound problems after installing ubuntu 20.04 from scratch (no input and no output devices)

I've installed ubuntu on my new Dell G3 and I can't make sound work. Usually after installation/update I tackle these things but this time I'm kinda stuck. Initially after installation I saw only "...
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HDMI not working with Ubuntu 20.04

I had this issue with 19.10 and thought maybe if I did a fresh install it would help but it didn't. For some odd reason my HDMI port won't work with my HDTV at all. I tried with another cord and it ...
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Ubuntu Studio 20.04 installation freezes at restart window at the end

After having some trouble in Windows 10 that was actually a failing hard drive see this: Slow Ubuntu 20.04 installation: warning: source ID xxxx was not found when attempting to remove it I bought a ...
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Desire to use ALC892 multiple independent outputs with Ubuntu 20.04

I am attempting to migrate my Home Theater Desktop PC from Windows 7 to Ubuntu 20.04. I have a dual boot system using two SSD, one with Windows 7, the other Ubuntu 20.04. On Windows 7, independent ...
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No sound from my 20.04 desktop install w/ NVIDIA GK107 HDMI Audio Controller (rev a1)

I have no sound output to my Sony LCD TV monitorafter installing Ubuntu 20.04 on my desktop system. lspci shows NVIDIA Corporation GK107 HDMI Audio Controller (rev a1). Tested cables and all various ...
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Asus - HDMI black screen on Ubuntu 19.10

HDMI is detected, but screen 2 is black nvidia-bug-report.log https://pastebin.com/t5Gx9ixW intelipower descripción: Notebook producto: TUF Gaming FX505DD_FX505DD ...
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Why is playing HD video with VLC lagging [closed]

I have a very recent computer, with a GeForce RTX 2060 properly installed with nvidia driver, I've seen that there is lagging in the playing of videos with HDMI, especially with VLC (but also with ...
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hdmi display is not working

I recently installed ubuntu 20.04 and everything worked well for a week or two. I just turned on the computer a few hours ago and the screen shows "No signal detected". I have looked around in this ...
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HDMI fails on Asus GL552VW after upgrading from 18.04 to 20.04

After updating my laptop, when I connect the external monitor via HDMI, it turns on and off continuously, it is impossible to work with said monitor, this did not happen with version 18.04. I don't ...
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2 monitors (DVI-D, HDMI) one card (Radeon Rx 480) only DVI-D is detected

I've installed today Ubuntu on my USB. I'm having troubles with my configuration (DVI-D, HDMI), that works fine on windows 10. Using 'xrandr': Screen 0: minimum 320 x 200, current 1920 x 1080, ...
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Sound not going to external speakers after upgrading Ubuntu 18.04 to 20.04

I've just upgraded from Ubuntu 18.04 to 20.04. I have my PC connected to my TV via HDMI and to my external speakers via Line Out. Normally the sounds comes out of my TV, and that still works, but ...
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Ubuntu no sound + no bluetooth pairing (two seperate issues, may be related)

About two weeks ago my sound suddenly stopped working. I have already tried half of the first page of Google "ubuntu no sound" results and I still can't fix it. I tried using my cellphone as an audio ...
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Ubuntu 20.04 secondary display not getting past splash screen

I am on gnome, with the lightdm display manager, with an Nvidia graphics card, the latest 440 drivers from the PPA is installed, and the HDMI output is detected via xrandr as shown below: Screen 0: ...
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No sound,Dummy Output,HDMI/Display Port unavailable

Hello guys am trying out Linux for the first time and i decided to start with Lubuntu 19.10. I installed a week ago and everything else is fine but the sound.I followed some articles on this platform ...
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External screen HDMI strange desktop problem

I've been using Ubuntu for about 6 years without any issue but recently I upgraded from Xubuntu 16.04 to 18.04 and I am having a small problem with the external screen I usually use with an HDMI cable....
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GeForce 2070 Super - Xorg X11 - HDMI Sound

I have Xorg set up and cannot get my audio working over HDMI. Video works great and it appears to show up, I think it might be a configuration issue? My xorg.conf was created by sudo nvidia-xconfig #...
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HDMI sound in Ubuntu 20.04?

In some earlier version I had an option in the "settings" utility for sound where I could choose the system sound or HDMI. So, I have my laptop connected to a large TV with HDMI and it would play ...
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Install Ubuntu 18.04 with nvidia GPU output

I'm trying to install Ubuntu on my computer. But my motherboard doesn't have hdmi output, I can only use my GPU (Nvidia RTX 2070 Super). When I boot to install I got some weird characters like if the ...
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1answer
51 views

NVIDIA HDMI / DisplayPort audio profiles and ports show as “available:no”, but sound works

I'm trying to set up HDMI / DisplayPort audio output via NVIDIA card in Ubuntu 20.04 (fresh installation). Built-in speakers work just fine. PulseAudio recognizes the audio card, shows the list of ...
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I suddenly cannot use “Joint Display Mode”

I have a NUC8i5BEK, one HDMI to HDMI, one type-C to DP port, two screens. Linux CCC-NUC8i5BEK 4.15.0-99-generic #100-Ubuntu SMP Wed Apr 22 20:32:56 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux, Ubuntu 18....
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Can't get 4k 60hz to work on my TV

I have a 4k 60hz TV (Vizio V505-G9) and I am unable to push 60hz on Ubuntu 20.04. I have enabled "Full UHD Color" on my TV settings to allow the 60hz signal to go through, but I'm only receiving ...
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Ubuntu 20.04 - Audio Output Device Disappeared - no DispayPort/HDMI (Built in) Available

I'm using Ubuntu 20.04 on a multi boot system. I have a Lenovo m93p Tiny attached to a TV via the DisplayPort adapted to an HDMI connection to a Samsung TV. The sound works fine on all the other ...
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CUDA install stopped my second monitor working?

I'm using a Lenovo ThinkPad P50. When I boot into my Windows partition it does work, but I have no luck with Ubuntu 18.04. I was attempting to install CUDA earlier, and when I restarted my laptop, ...
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how to connect a TV to ubuntu 20.04

can you help me to hook up a television to my computer via xrandr, I have tried to use the command xrandr --output HDMI-1 --auto --right-of eDP-1 and it did nothing, the output of xrandr -q is: ...
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Can't connect three displays to Intel NUC with 2xhdmi dock and Ubuntu 20.04

I have an Intel Bean Canyon NUC with a Thunderbolt port and a plain integrated HDMI port, and have three monitors I want to connect. I'm using a dock base that adds two HDMI via USB-c. Ubuntu 20.04 ...
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57 views

Ubuntu 20.04 does not see hdmi monitor, Intel drivers only

I have just upgrade a laptop to 20.04 and I cant get a second monitor to work. Only Intel hardware. lshw only shows one display teknopaul@pc:~$ sudo lshw -C display *-display ...
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My BenQ PD2700U does not work with Ubunu 20.04

I am trying to use a BenQ PD2700U with Ubuntu 20.04 and it doesn't work at all. It is connected to an HDMI port.I am new in Linux, could you help me? Thanks in advance, Fernando
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HDMI monitor not working simultaneously with laptop monitor

My Toshiba Satellite laptop is dual boot. Both the HDMI (LG FLATRON L1710B) and Laptop monitor work simultaneously in Windows automatically without any configuration. Both work in Windows Release ...
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1answer
205 views

Pulseaudio/ALSA/Kodi audio passthrough on 20.04

I am using an Intel NUC linked to a Marantz audio-video-receiver via HDMI, which is then linked to my TV via HDMI also. I am running Kodi in order to use this setup as a media player. On Ubuntu 16.04 ...
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Change output sound device doesn't work [duplicate]

My ubuntu version is 20.04. My notebook is connected a monitor with HDMI(multiple monitors). I've connected my bluetooth speaker, because my monitor sound is not good. And I tried to change Output ...
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Weird errors with sound?

I am using ubuntu 20.04, but I had already similar errors in the last 18.04 version. The errors are the following. Laptop with a monitor connected by usb-c-hdmi. When the start the session on ...
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22 views

Sound only comes through HDMI even with output device: headphones

I just upgraded to Ubuntu 20.04 and got a new monitor. When I attach my headphones (either via aux or via bluetooth) to my laptop, they work perfectly. But when I attach my laptop to the monitor via ...
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Ubuntu 18.04 external screen freezes when connected to hdmi

I am using Ubuntu 18.04 on my Acer Aspire V Nitro 17. It is all worked fine until i made an updgarde via: sudo apt-get update sudo apt-get upgrade Now when ever I connect my laptop to the external ...
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Since upgrade to 20.04 problems with Intel graphics

since my upgrade to Ubuntu 20.04 LTS from Ubuntu 19.10 the HDMI output to the television screen does not work anymore. It isn't even recognized. I think that has something to do with the new kernel ...
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audio output to HDMI is not working - Ubuntu 18.04

This question has definitely been asked before but I've tried everything I could find and no luck. Using Ubuntu 18.04 here. The problem is: I have a TV hooked up via HDMI, the video is working fine ...
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37 views

Can't boot with second monitor plugged in

I have a Thinkpad T580. When I boot with second monitor plugged in, the system doesn't boot and stops with Lenovo's logo. However, I have no problems on 19.10. For a correct boot, I must plug in ...
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Route Audio from SPDIF Input to 5.1 USB Soundcard (raspbian)

So I'm very new to audio stuff, but my setup is the following: Any HDMI device --(via HDMI)--> TV --(via SPDIF)--> USB Sound Card (input) --> RaspberryPi --> USB Sound Card (3x3.5mm Audio Jack (Front,...
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No audio through HDMI port

I have been trying to display my pc on my TV and it worked flawlessly some months ago, but I've updated to Ubuntu 20.04 and now my HDMI output is unavailable and unplugged on pavucontrol. Anyone ...
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No Sound from Ubuntu even everything works

I am using Dual boot windows 10 and Ubuntu 18.04 on my laptop. The first 8 months works totally fine and i also got sound from my HDMI monitor and also from my built in laptop. But recently i dont get ...

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