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

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107 views

HDMI overscan on Mac Mini with Intel graphics

I have a Mac Mini running a thunderbolt -> hdmi converter, then running an hdmi cable to my TCL 55" HDTV; but I'm getting the not-so-uncommon overscan issue when using the Intel graphics driver. The ...
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1answer
663 views

screen black and blinking when HDMI is plugged

I own an ASUS KJ550X laptop, the GPU is an NVIDIA GEFORCE GTX 950M (together with the Intel integrated one) the processor is an Intel i7-4720HQ. I have installed Ubuntu 14.04 in dual boot with ...
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1answer
432 views

Kubuntu 15.04 no sound on HDMI (Intel NUC D54250WYK)

There are similar questions and good answers on this forum. Unfortunately none of them addresses my problem. I had perfectly well functioning sound system on the Kubuntu 14.10 on same hardware, but ...
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0answers
30 views

Ubuntu (included all derivative) resolution problem on TV

I know that the subject has been raised several times, but nothing worked for me! Last chance before changing to windows xp black edition for my HTPC (What would really be a disaster and very ...
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1answer
190 views

Picking a default sound card

I'm running Lubuntu on a Chromebook (Acer C720) and having issues with getting any sound. /etc/modprobe.d/alsa-base.conf seems to be the default configuration from Ubuntu and as I understand it, ...
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0answers
28 views

After projector gets restarted the picture has less colors

Running on an AMD A8 machine I use the fglrx driver in Xubuntu to fire Xorg on my rooms wall through a projector. After the projector gets shut off (to standby) and switched on again the picture ...
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0answers
68 views

HDMI+Acer Aspire 5536 running xUbuntu = nothing

I'm trying to hook up my old laptop to my TV using an HDMI cable but it just won't output anything on the TV or the Display part of Settings. I've tried rebooting it with the cable in and out, tried ...
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0answers
274 views

How to get 5.1 surround with Ubuntu + GTX 950 + Logitech Z906?

I am running Ubuntu 14.04 with a EVGA GeForce GTX 950 and the official drivers installed from nVidia (version 352.41 for Linux x64). I run one HDMI cable to this box which outputs video (via another ...
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1answer
299 views

Monitor connected through VGA to HDMI converter not always detected

I recently bought a new laptop which does not have VGA output. Since my second monitor has only a VGA input I bought a VGA/HDMI converter. Some important information about my laptop: Ubuntu 14.04.3 ...
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1answer
324 views

Lenovo dock HDMI audio external monitor

I got a Lenovo T440s and a docking station, where the docking station is connected to a monitor (specs) with internal speakers through HDMI. My problem is I cannot seem to be able to change the audio ...
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170 views

My HDMI tv can't use audio Ubuntu 14.04 LTS

I have an Asus Laptop which is connected to a HDMI tv. I use this tv to mirror my laptop screen but it won't use my audio settings. I looked around and I saw multiple answers but they often mentioned ...
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189 views

Update 1 : Trying to fix hdmi audio, result = No more HDMI audio devices, alsamixer not working anymore

Hello friendly ubuntu users ! I tried (a lot) to work around with this guide to find a solution about my no sound issue in desktop environment resulting in a worst case scenario (https://help.ubuntu....
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0answers
32 views

Remember which audio device to use for which application?

I have a Python program which uses OpenAL for audio. I'd like the audio coming from that program to be heard from HDMI speakers, not built-in speakers. I can use Pavucontrol (Pulseaudio GUI) to ...
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0answers
709 views

VLC won't play video via HDMI to TV

When I connect TV and Laptop via HDMI cable and play a movie with VLC I only get to see the ubuntu desktop, not the VLC output. No video, no audio. Under Windows it worked like this. I've googled it, ...
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2answers
282 views

How to force Ubuntu 14.04 to use HDMI only

Ubuntu 14.04 + Gnome3 + Nvidia card In both Nvidia's settings and Gnome's display settings, I've disabled the laptop screen, but when rebooting those changes do not stick and the main screen ends up ...
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0answers
227 views

mini display port / HDMI on Macbook with linux

I have a macbook air running ubuntu 14.04 and i want to connect it to an external monitor throught the only output that it has which is a mini display port. The adaptator worked with mac OS but with ...
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1answer
456 views

Getting 2560x1600 resolution from Apple 30" Cinema Display

tl,dr: How do I get the 2560x1600 @60fps resolution from my Apple 30" Cinema Display? Edited: Startech.com confirms the HDMI-to-DVI-D adaptor is dual channel. I don't have enough reputation to give ...
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0answers
33 views

Audio over HDMI not working

I am running ubuntu 15.04 and plugged in my HDMI cable. The picture works fine but the audio is not transmitted to the TV only playing on the notebook. When opening settings->sound I can only see ...
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1answer
69 views

When I Plug In the HDMI Cable From My TV To Watch Content From My Laptop To The TV I get Two Different Screens

OK guys heres the dilemma. I want to watch NCIS from my laptop on my big screen tv but when I plug the HDMI cable from the TV to the laptop, the screen thats on my laptop is different from the one ...
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0answers
161 views

HDMI ubuntu to Sony TV unsupported signal

I have a Toshiba Netbook NB510, I used to connect it via HDMI to my Sony Screen to watch movies and such on Windows 7, no problems whatsoever. And then I changed it for Linux mint, and it had some ...
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1answer
95 views

No sound after installing update 14.04 LTS

Running 14.04 on an Intel NUC with HDMI output to home theater (no built in speakers). Previous to most recent update everything was fine. Now I get no sound. I followed the advice on all the ...
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0answers
188 views

choppy/poppy audio via HDMI (ALSA/pulseaudio)

Followup problem to this: Lubuntu 14.04 no sound, can't install pulseaudio Using LUbuntu 14.04. Installed pulseaudio. Headphone audio is clear, choppy/poppy audio via HDMI.
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43 views

HDMI extended monitor hotkey customization (Super + P)

Is there a way to disable mirroring when pressing Super + P to cycle through display modes through HDMI?
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0answers
196 views

Still no HDMI audio on Intel NUC (NUC5i5RYH)?

Back in June, there was a question regarding lack of HDMI audio on an Intel NUC. According to the answer, there was a kernel bug that supposedly fixed the problem in 3.19.0-20. However, I'm having the ...
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0answers
149 views

Ultrawide resolution does not works with nvidia driver (but works with nouveau) - 12.04

I'm trying to get working my new UltraWide monitor (2560x1080px) via HDMI (nVidia 9500GT). By default, there is no option to select this resolution in screen settings panel, only 1920x1080p is ...
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0answers
96 views

outputing 4k@60hz on UB15.04

After setting up the OS with a normal display because it was flickering I changed to the Nvidia 346.59drivers(nvidia-346-updates, I have a Gtx970). I plugged in the 4k TV but the refresh rate was off ...
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0answers
219 views

Digital/Analog Sound Issue in Ubuntu 15.04

I've done two fresh installs of Ubuntu because of the following problem, and it's still there. It's driving me up the wall! Straight from the off, there was no sound being output from Ubuntu. I ...
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0answers
11 views

Change direction of HDMI desktop [duplicate]

So I have a laptop with Ubuntu 14.04 and 1 HDMI port. To the left of the laptop, I have a TV. I have connected the TV and laptop with an HDMI cable. Now, as far as I know, there are 2 ways you can use ...
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0answers
76 views

screen turns blank after pluging HDMI cable

am having a problem with ubuntu 12.04LTS .it seems like there is a serious bug in ubuntu because after pluging my HDMI cable my laptop screen turns completely blank even the tv gives " no signal" ...
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0answers
113 views

After updates, no more HDMI sound through TV speakers, ubuntu 14.04, 14.10 and 15.04

I know there are LOTS of threads out there on this problem and I think that I have tried all of them. Background: After allowing a normal update on my Ubuntu 14.04 machine, I lost sound. No sound ...
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0answers
106 views

Why does my computer restart/log-out when I turn my tv off then back on kubuntu 15.04

My set-up is Asus eb1505 Intel HD graphics w/dual core Intel celron processor connected to a Sony Bravia HD TV. When running Windows 8.1 had no issues with turning power on and off to TV. After ...
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2answers
355 views

How to fix HDMI Audio on Ubuntu 14.04 LTS (update broke it)

i know this question is often asked and has a lot of solutions, but none worked for me. After running the package-update from GUI i was watching movie with xbmc and everything worked (and has worked ...
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0answers
35 views

Buzzing Over HDMI 14.04 Build

I have a really frustrating audio issue. I'll get more exact specs/models if requested, but here's the basics: I'm running 14.04, Gigabyte Mini ATX board with an AMD A10 processor. Crucial ram and ...
0
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0answers
260 views

Config for Xorg.conf to set up both HDMI and dummy driver output

I've been having issues with trying to configure the screen resolution/geometry when connecting to Ubuntu 14.04 remotely via RealVNC viewer. Connected to plasma TV through HDMI, it can display ...
0
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1answer
29 views

HDMI creating new desktop when playing movies

I'm very new to Ubuntu, but so far so good except.... I have a single monitor, when I connect the HDMI cable to the TV, it seems to open a separate desktop to the left of my screen and takes the ...
6
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0answers
2k views

Ubuntu not detecting the external display anymore [closed]

I just installed some updates and restarted and after this then Ubuntu doesn't detect the external display. It's connected with HDMI. What can I do about it? It doesn't appear in display settings. I ...
2
votes
0answers
129 views

Custom dual screen configuration buggy

Using Ubuntu's system settings to configure two screens (desktop monitor and TV via HDMI in my case) is not ergonomic. Hence I decided to code a handy switcher script which lets me choose between ...
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1answer
83 views

Does Ubuntu 12.04 support HDMI? [closed]

Does Ubuntu 12.04 support HDMI? For some reason it doesn't work for me. Harware Details: Lenovo z50-70 laptop Intel Core i5 4210u Nvidia GeForce 840M (disabled in the BIOS)
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0answers
29 views

Second monitor stopped working (maybe) after installing cairo-dock and variety wallpaper changer

I'm using ubuntu 14.04 using an HMDI-to-DVI adapter in a HDMI port to DIV and it as always worked until this certain point. I'm pretty sure the adapter itself didn't suffer any damage that could ...
1
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0answers
712 views

Could not switch the monitor configuration could not set the configuration for CRTC 64

I have ubuntu 15.04 whenever I connect the HDMI, it just doesnt work, I get the error: Could not switch the monitor configuration could not set the configuration for CRTC 64 Nvidia driver is already ...
0
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1answer
152 views

HDMI display just stopped working

I am using Ubuntu (Kodibuntu actually, which is a flavor of Trusty) and I connected my display via HDMI. This has been working for years but today the display just stopped working. I can see the ...
3
votes
2answers
806 views

Firefox doesn't play audio

To be clear, the audio on my laptop is working just fine. Other applications in Ubuntu play sounds as expected. Firefox, however, won't output any audio through the native speakers or headphones. ...
0
votes
0answers
134 views

Audio over HDMI to receiver + 2 DVI monitors (NVIDIA)

It’s difficult to phrase my question succinctly since it I seem to strike new problems at every turn. The above title is what I’m currently trying to achieve, but the overall aim is to get 5.1 audio ...
0
votes
1answer
6k views

Ubuntu Mate For Rpi2 default resolution can't be changed

I have installed Ubuntu Mate 15.04 on my brand new RPI2 and the default resolution in the HDMI port is very small and can't be changed using system default display window. But when I play video using ...
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0answers
291 views

No signal on HDMI connected screen, but is detected in xrandr

I recently installed ubuntu 14.04 on my (old) Dell Vostro 3500 laptop. I have been struggling to get my hybrid graphical card working. At the moment I just use my integrated intel gpu, not my nvidia ...
0
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0answers
81 views

HDMI audio only works when X is started with KeepTty

I have my Ubuntu 15.04 installation setup to boot into the console, and then I manually startx when I need X. My machine has an nvidia card (346.82 drivers from distro) that is connected to a ...
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1answer
178 views

How to correctly detect hdmi port in 14.04 with onboard radeon 1200 to enable hdmi audio?

After upgrading from 12.04, i get no audio device from HDMI. Altough the display itself is working, seems that it doesn't even detect it as HDMI, but as DVI instead: mrguga@mrguga-server:~$ xrandr ...
1
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1answer
150 views

HDMI cable causes extreme video lag in Ubuntu?

I have a 42" Vizio TV hooked up to a Thinkpad E550 (running Ubuntu 14.04). When I hook up these two devices with a VGA chord, everything is perfectly fine; however, when I hook these two devices up ...
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0answers
382 views

ERROR : could not set the configuration for CRTC 64 any idea? 15.04

I have been trying to connect the Hdmi to my laptop so i watch movies on the LED but whenever i connect it, I only get audio but not the video and only the wallpaper appears on the LED,when i ...
0
votes
3answers
753 views

HDMI monitor stuck in 800x600 resolution

I turned my computer on and the internet wasn’t working (Ethernet cable) so I restarted and it came back online. after the restart my HDMI screen (my main screen) I am using two screens went to ...