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

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Problem with audio over HDMI

I am running Ubuntu 16.04 and I am having issues with audio over HDMI. At first most applications worked fine but Google Chrome didn't output any audio. This was annoying but I could always use ...
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13 views

Sound will not default to s/pdif (DVI-to-HDMI) without unplugging headphone jack

I have recently installed Lubuntu 16.04 on my HTPC and it has an Asus M3A78-EM motherboard and a nVidia 9500 GT videocard. I have a 3.5mm audio cable running from the MB to the TV, and a DVI-to-HDMI ...
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13 views

Nvidia GT 710 overscan issue w/ Ubuntu 16.04

I bought an Nvidia GT 710 for a computer I'm essentially using as an HTPC, so I could have HDMI out and 1080 resolution. However, once this machine is hooked up via HDMI, I experience an over scan ...
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14 views

Kubuntu KDE crash on unplugged monitor

I got a medion laptop computer running on Kubuntu 16.04. I was working on an essay, so I plugged my TV in as secondary screen. Now I wanted to simply take the laptop to my bed to watch a movie and as ...
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0answers
55 views

connecting external display renders both screen blank

after connecting an external display via HDMI to my laptop it worked fine, except that the display of the laptop was the primary , so if i wanted to play a game it would start on the laptops display . ...
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0answers
26 views

No HDMI audio device

I'm a newbie using Lubuntu 14.04. I can't get audio out through the HDMI although the HDMI video is fine. Tried Pulseaudio volume control but the hdmi doesn't appear as a hardware option, neither ...
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0answers
23 views

16.04 How to make HDMI audio by default [duplicate]

Im using Version 16.04 on a laptop, and every time my tv turns off, the audio reverts back to the laptop speakers. Is there any way to make it so that it automatically chooses the HDMI output? Thank ...
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41 views

Ubuntu 14.04 - How to enable HDMI video output?

Following an upgrade to Ubuntu 14.04 on a HTPC I'm stuck on the "Mythbuntu" splash screen. It is positioned incorrectly on the screen (starts half way across). # xrandr Can't open display # lspci ...
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23 views

intermittent display flipping with Thunderbolt 3 dual monitors [on hold]

I am running 16.04 on a dell xps 13. The issue occurs when I connect 2 AOC monitors to my startech Thunderbolt 3 to Dual HDMI Adapter. The displays alternate turning on and off for about 5 seconds ad ...
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27 views

xenial screen freezes after hdmi switch

I'm having a problem with audio, and video over hdmi. I'm connected to my tv through a pioneer surround sound receiver. If I turn my tv off for an extended period of time(sometimes as little as 2 ...
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1answer
81 views

Problems add a new resolution to monitor(2nd monitor) (16.04 desktop)

I am having trouble adding the correct resolution for my second monitor. Both of my monitors worked fine in windows and I'm not going back :) I am running a single GTX980 with one monitor connected ...
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1answer
62 views

Xubuntu 16.04 monitor display no signal after turned off

So I'm using my motherboard's (ASUS Z170-A) HDMI display to out put to my VIZIO 40" 4k TV. Every time I turn my TV off and turn it back on, regardless of time period I get "No Signal." I've done ...
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1answer
86 views

Laptop mini DisplayPort issue - external monitor does not detect on 16.04

I want to achieve 2560x1440 resolution output from my laptop. I have a Dell XPS 15 (L521X) laptop on Ubuntu 16.04 and I want to output my screen to an external monitor from mini DisplayPort (laptop) ...
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0answers
29 views

No HDMI option in sound settings

When I connect my TV via HDMI to my laptop, sound is outputted from laptop instead of TV. When I go to sound settings, I don't see HDMI option. There are only two options (see image): I tried ...
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135 views

16.04, Nvidia GTX 950, HDMI: Unknown Display

I just freshly installed 16.04 including all updates. I installed the nvidia-367 drivers which work. Unfortunately, my Asus display that is connected to the Nvidia GTX 950 via HDMI, is not properly ...
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1answer
54 views

Display is on 42" TV

I have installed Ubuntu 16.04 LTS On Intel® Desktop Board DH55TC With Intel® Core™ i3 CPU 540 @ 3.07GHz 500 GB SATA hard drive Connected to 42" LG TV with HDMI cable TP-Link 300 MB USB wireless ...
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29 views

Ubuntu stuck when load with connected external monitor

I have Dell XPS 15, and when I load the system with connected external monitor by HDMI, the system gets stuck on the login screen. I use Nvidia-361 driver with Bumblebee. The laptop has a 4k screen ...
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56 views

No sound in Chrome or Spotify with HDMI output

I have no sound in Chrome or Spotify, while Firefox or VLC are working fine. The problem only appears when I select the HDMI output which is my desired config. It's working fine when I select the ...
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0answers
26 views

Disable screensaver during video playback in XFCE?

I have my laptop connected to a TV via HDMI. I use the XFCE window manager. If I start a video with the application "videos" on the TV then the screensaver will go on after some time. Is it possible ...
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2answers
124 views

HDMI recognized as “unplugged”, after installing drivers

So I'll start by explaining my situation. I actually have had my current installation for some time now (Though I upgraded from 14.04 to 16.04), and the computer I used is an inexpensive one I bought ...
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67 views

Hdmi does't work after upgrade from 15 to 16 version

I have two monitors and both worked before i'm upgrade my ubuntu from 15 to 16.04 version. Now works only one monitor. Second monitor (who doesnt't work) plugged through hdmi and when i look in ...
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60 views

No HDMI sound. Asus HDMI monitor and Asus A78M-A motherboard

Ok. I've got a Asus A78M-A motherboard with a AMD A8-6600K processor. I just got a new monitor Asus HDMI VS238 monitor. I'd figure I would use the HDMI cable when I got it all hooked up the video is ...
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0answers
298 views

Ubuntu 16.04 dual monitor resolution problem with dell precision 5510

i was installed ubuntu 16.04, my laptop is dell precision 5510 graphics are intel 530 and nvidia quadro m1000m and using dual monitor that resolution 1920x1080 kernel version 4.4.11 xenial, '...
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40 views

Ubuntu 15.10 all HDMI options show “unplugged”

I tried the answer shown in Ubuntu thinks HDMI audio is unplugged, but all the options show as "unplugged." How can I get an option that's not "unplugged"? The video works fine, but not the audio.
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1answer
63 views

No hdmi audio after suspend

My problem is that when I wake up the computer after suspend I don't have audio with HDMI. Well, there is "audio" but it's like playing a song and hearing 1 second every 10 minutes and very distorted. ...
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32 views

Pulseaudio drops HDMI output at screen power save

I recently upgraded my media center computer from Ubuntu 15.04 to 16.04 (in-place upgrade, via 15.10). One new problem has been introduced: I use the HDMI output for audio. When the screen goes to ...
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1answer
75 views

Ubuntu 64 bit 16.04 LTS on laptop Hp Pavilion X2 external HDMI monitor stopped working after latest updates

It seems that Ubuntu is really a problem on HP computers. Now, the new problem is that after the last updates of 16.04, the HDMI port stopped working. I tried with a different monitor and the problem ...
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105 views

No Sound via HDMI on Kubuntu 16.04

yesterday I set up my PC with Kubuntu 16.04 and all went fine except that there is no sound via HDMI. So I asked Google what to do, but I didn't find a solution for the problem. That's the current ...
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0answers
60 views

No audio over HDMI on Intel Broadwell-U Integrated Graphics

My Ubuntu 16.04 connected to Philips TV over HDMI - no audio even when forced to switch to HDMI in "All settings - Sound". System info: CPU: Dual core Intel Core i7-5500U (-HT-MCP-) cache: ...
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0answers
39 views

Touch screen not working : Connected HDMI monitor and changed display settings

I'm new to Ubuntu and running Ubuntu 15.10 I attached a HDMI monitor to my laptop and after changing some settings the touchscreen no longer functions at all. The settings I changed were display ...
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1answer
31 views

When I plug in earphones or HDMI, I have to manually change the speaker settings

Whenever I plug in my earphones or HDMI cord, the speaker settings don't automatically change to output from them. I have to go into the sound settings and manually choose them and then do a speaker ...
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1answer
680 views

Installed Lubuntu 16.04 version no audio now

I apologize if I am to vague in my question/statement. I just installed LUbuntu 16.04 onto my laptop, which is a HP Pavilion G6 series, AMD Processor, and it does have an HDMI port. I can't seem to ...
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41 views

When the “Mirror displays” Did you wake up any action ? (Command line)

I have installed Ubuntu 16.04 on my laptop(Samsung NT530U3C-A54). It was connected to the monitor using the HDMI cable. "Mirror displays" the check was possible to use only the Three resolution (...
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0answers
19 views

HDMI sound works , no analog sound

I installed Ubuntu 12.02 and i can't hear sound, but if i connected to HDMI, I can hear sound in HDMI Device. This is my sound device ~$ cat /proc/asound/cards 0 [PCH ]: HDA-Intel - HDA Intel PCH ...
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0answers
19 views

5.1 Subwoofer only

After installing Ubuntu I activated 5.1 for my 5.1 Sound System, which worked just fine. One day only the subwoofer worked. Every other channel is just muted. Every channel is unmuted and turned up to ...
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1answer
55 views

Kubuntu 16.04 command prompt (Alt+F2) and start menu opening only for 1 second

I got an issue with my new installation of Kubuntu 16.04. I installed it a few days ago and got everything running, but now I have a strange issue. Every time I open the start menu or command prompt (...
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1answer
109 views

Recently installed Ubuntu, having issues with multiple display setup

I have an Asus Zenbook UX32VD dual booting Windows 8 and Ubuntu 16.04 (installed last week) and I also have two external monitors hooked up to it via the HDMI and mini VGA ports. When I boot up and ...
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1answer
137 views

16.04 switches from default audio device when not available, but doesn't switch back when the default becomes available

I have a laptop hooked up to a TV via HDMI. When the TV powers off, the audio output switches from HDMI to the built-in laptop speakers. This behaviour is new, as previous Ubuntu versions would always ...
0
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0answers
110 views

Flickering screen on both external monitors

I recently moved from a Mac to linux , I was able to use 2 external monitors with one connected via HDMI & the other VGA , these are the only ports on my laptop. Ubuntu 14.04 was working fine but ...
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0answers
32 views

Install Ubuntu on new Hardware

I try to install Ubuntu and Mint on my PC, but no Version works :( I put the OS on a USB-Stick and let them boot. All i get is: With SLI: Blackscreen after the Ubuntu-Logo. Afer a view seconds the ...
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1answer
35 views

Undeterministic black second screen [Ubuntu 15.10, Dell Latitude 3340 (hdmi) -> IIyama (vga)]

Problem: My second screen works most of the time fine, but sometimes it turns to black and is then difficult to get it back working. This behavior seems semi-random, that is why I find it difficult ...
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0answers
40 views

Disconnecting HDMI causes vertical split on laptop screen

Whenever i disconnect my HDMI on my Dell Latitude E5550, the laptop screen tries to show both monitors: I can still move my mouse around and drag windows, but the screen does not refresh. Not sure ...
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2answers
70 views

Cannot connect laptop to TV via HDMI

My laptop is connected to TV via HDMI. During installation of Ubuntu, the TV displayed the Ubuntu screen background and a few buttons on the top right corner of the screen. However, after ...
0
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1answer
34 views

Black screen after boot if machine starts with the TV off

I've built an small HTPC with Ubuntu 16.04 this week. Choosed Ubuntu over OpenElec, because I wan't to run other stuff on it, like Steam for in home streaming. My problem is: Every time that I start ...
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211 views

after upgrade to 16.04 got stuck with low resolution, no hdmi, unity slow as hell (Radeon HD 7500G, Samsung NP535U3C))

Just like in the topic: after upgrading from 15.10 (?) to 16.04 everything related to display/video card is completely f***ed up. 1. lspci: 00:01.0 VGA compatible controller: Advanced Micro Devices,...
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1answer
72 views

When using HDMI, the laptop screen extends to the TV screen

First of all, I just want to say that using Ubuntu has been pretty frustrating, to be honest. It seems like little problems like these pop up every time I try to do anything. I guess it's just cause I'...
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0answers
28 views

Old Packard laptop, flickering output via VGA to HDMI converter 16.04

I tried installing Ubuntu 16.04 on my MIL's old Packard Easynote and it seems to work mostly. What she and her BF want to do is play some music via Spotify and show some images from a USB on their TV. ...
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1answer
225 views

16.04 Asus Zenbook UX305UA freezes with HDMI

The above laptop is freezing up sometimes when I plug in a micro HDMI dongle. The laptop is running Ubuntu 16.04, with very little installed, and is up-to-date as of today. Here are a few scenarios: ...