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

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How can I change the standard audio output device?

I use the pulseaudio-equalizer to improve my audio output. If I only use my laptop with its own loudspeakers I don't have any problems, the equalizer adjusts the sound and sends it to the ...
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86 views

Ubuntu 15.04 - HDMI setup

So I try hooking up my HDMI cord to my older Vizio LCD TV. I got video output, albeit with the desktop image being too big (and no motion from anything, mouse, programs.. just the desktop screen), but ...
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226 views

Kubuntu 15.10 - Manage Multiple Audio Outputs

I have been unsuccessful finding a solution to this, but if this is already answered somewhere I apologize for creating a duplicate post. I am currently using Kubuntu 15.10 and have been able to use ...
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1answer
129 views

How to change resolution to 2560x1080?

Just installed ubuntu and I'm using it with an ultrawide monitor, with HDMI but I can't set the resolution to that on the settings menu. What's another way to do it?
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115 views

Sound through HDMI is intermittent when playing MP4 or MKV video using VLC or Videos

I recently inherited a used Acer Aspire 6930g from a relative in the process of upgrading, and since it was almost worthless running Windows 7, I decided to put Ubuntu 14.04 LTS on it. Performance is ...
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85 views

Kubuntu HDMI Switch

So I have an HDMI switch. The thing is brilliant. Anyways. I have a computer with Kubuntu and when I switch to it on the switch it works great and dandy... but when I switch out it doesn't switch ...
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99 views

No audio using hdmi on 14.04 on N3050

No audio using hdmi on 14.04 on N3050 processor: Intel NUC5CPYH computer. The wifi was not working (Intel 3165), so I looked at AskUbuntu and found an answer (I forget the question number), which was ...
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129 views

Screen randomly disappear after connecting to projector

I have Dell Inspiron 15R (5537, Mid 2013) laptop with HDMI port and without VGA port. I use Ubuntu 15.04 with proprietriary graphics driver (fglrx). I use (cheap, passive) adapter to connect to ...
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2answers
164 views

14.04 cannot output sounds to hdmi audio device

My dell XPS 13 2015 with Ubuntu 14.04 is connected to an HDMI device via a displayPort -> HDMI adapter. The picture appears fine on the HDMI monitor but I cannot select it as my output audio device. ...
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106 views

Monitor detection 15.10

I have a Lenovo Z510 laptop running Ubuntu 15.10. It has a HDMI port that is connected to a HP 2311x 1920x1080 monitor. It is mirroring the monitor as shown in the attachment. It also does not appear ...
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103 views

Why BenQ monitor shows blank screen eventhough xrandr shows as connected?

System specs: Ubuntu 15.04, Dell Inspiron Graphic drivers: Intel Corporation 3rd Gen Core processor Graphics Controller NVIDIA Corporation GK107M [GeForce GT 640M] Monitor: BenQ EW2440 What I ...
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78 views

No 5.1 sound over HDMI on HD7750 Ubuntu 14.04

In PulseAudio in my HDMI audio card profile the only option available is Digital Stereo (HDMI) Output. My video card supports 5.1 sound, but I can't select it on the pulse audio settings. Then I've ...
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1answer
142 views

Permanent Blank Screen after lid close?

I am using Ubuntu on my Hp M6 Envy laptop. I closed my lid to move with my laptop and by the time (10 mins) i opened it the screen was totally blank not black , blank. I restarted many times with no ...
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1answer
69 views

Sound support Ubuntu 14.04 vs Lubuntu 14.04

I have Intel 1.6Ghz Atom so it's not powerful enough for Ubuntu 14.04 I wanted to use Lubuntu 14.04 but it's not giving me sound on my HDMI. It does work on headphone Card 0, Device 0. When in ...
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213 views

HDMI No Signal with Ubuntu 15.4

I've been tearing my hair out trying to get my dual screen configuration back and working. I've upgraded from Ubuntu 14.4 to 15.4 and noticed recently that on my monitor I get a 'No Signal' popup. ...
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188 views

Secondary screen rotation unavailable in Xubuntu

I have a laptop with Xubuntu 15.04. I want to use my old Samsung full-hd TV as a secondary portrait monitor. I connected it using HDMI and it works, but in Settings > Screen there's no option in the ...
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23 views

Can't keep 3 displays connected at the same time?

I'm using ubuntu 14.04. I have both DVI and HDMI input screens and they are both detected and working when paired with each other or with the native built-in display of my laptop. However, when I try ...
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1answer
231 views

Blank screen after TV turns off in Xubuntu 15.10

I have a Phillips TV hooked up to my computer via HDMI. The computer is running Xubuntu 15.10. If the TV turns off, when I turn it back on, the screen is blank - the computer is sending no signal. ...
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54 views

Video very buggy over HDMI for the first 20 seconds when running Plex Home Theater in Lubuntu 15.04

I'm running Lubuntu 15.04 on a Lenovo Q190. The graphics is listed as: "Intel® HD Graphics (integrated)". I am not using a proprietary driver (just the default xserver-xorg-video-intel package.) I ...
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0answers
25 views

Audio issue and no recording audio device defined

I have recently stumbled across a problem with my audio output. This seems to be a bit unusual, but I will try to explain anyway. Usually, when I watch a video and wish to lower or increase the sound ...
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0answers
210 views

Monitor connected via HDMI to displayport is detected but has no display

I connected 2 BenQ BL2405 monitor using VGA on one and one on an HDMI to Displayport cable to my HP DeskPro workstation running Ubuntu 12.04 LTS. The good thing is that the both monitors are detected ...
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88 views

Black screen on hdmi second screen and java (Radeon HD 8330 ubuntu 15.10)

when i open i.e. netbeans 8.0.2 with java 8, in full screen in my second screen in hdmi port, after a few seconds, only that screen become blink black, and after a 1 minute screen goes black. If i ...
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1answer
144 views

Can my chromebook connect to an external monitor with crouton?

I'm running Ubuntu 14.04 from a chromebook using crouton. Plugging in my external monitor with an hdmi cable and issuing $ xrandr returns Screen 0: minimum 320 x 200, current 1920 x 1080, maximum ...
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1answer
197 views

xrandr doesn't see HDMI

Ubuntu 15.10 Linux ag 4.2.0-16-generic #19-Ubuntu SMP Thu Oct 8 15:35:06 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux $ xrandr Screen 0: minimum 8 x 8, current 1366 x 768, maximum 32767 x 32767 eDP1 ...
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59 views

HDMI not working on Lenovo Yoga Pro 2 - Ubuntu 14.04

I used to have windows on it and HDMI was working I erased windows and installed Ubuntu 14.04 when I plug in my HDMI Adapter, the Displays settings and workspaces recognize the other display but the ...
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1answer
397 views

Change sound output from command line

I have written a script that changes my display output from DVI (my monitor) to HDMI (my TV) by using xrandr. In this script, I would also like to change my audio output from analog line out to HDMI. ...
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103 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
572 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
401 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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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
164 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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27 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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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
260 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
258 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
282 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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158 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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180 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 ...
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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
631 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
244 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
212 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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0answers
397 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
30 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
67 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 ...
0
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0answers
148 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
91 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
159 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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178 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 ...