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

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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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8 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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0answers
13 views

hdmi output not working for tv, only detected when tv is turned off

so im trying to get my laptop hooked up to my tv, and for some reason the computer is only detecting the tv when its turned off. As soon as i turn the tv back on the laptop goes dark and the tv ...
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0answers
13 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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0answers
12 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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0answers
21 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
12 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
19 views

after attaching a hdmi monitor to my laptop and changing a couple of settings the touch screen no longer functions. ubuntu 15.10

i attached a hdmi monitor to my laptop and after changing some settings the touchscreen no longer functions at all. im new to Ubuntu so if someone could walk me through trouble shooting this i would ...
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1answer
20 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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2answers
155 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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29 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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13 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
27 views

Sound on HDMI when that is connected [duplicate]

I have a problem with the sound of my computer. I'm using Ubuntu 16.04 and every time I connect the cable hdmi to TV sound continues on the pc. In order to change the audio output I have to go to ...
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0answers
14 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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0answers
108 views

HDMI not working on 16.04 LTS (4.4.0.21) [closed]

When I connect the cable to my TV, no additional display is detected, no reaction from the computer, and no signal on the TV. Worked fine on 14.04 LTS, and works fine as well on 4.5.2 kernel (tested). ...
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1answer
39 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
88 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
73 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 ...
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0answers
45 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
23 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
32 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
39 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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1answer
46 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 ...
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1answer
28 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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144 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 ...
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1answer
63 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 ...
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0answers
24 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
125 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: ...
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1answer
66 views

Automatic logouts on startup 16.04

Just installed 16.04 two days ago and it is giving me some very annoying problems on start up. Every time Ubuntu starts, a logout is triggered by closing any window for the first time, either through ...
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0answers
26 views

Huge elements on secondary monitor with lower resolution

Ubuntu 16.04 installed on ASUS UX305 ultrabook with QHD resolution (3200x1800) of built-in display. Connecting secondary monitor Dell 24" with 1920x1200 resolution over HDMI I am getting huge control ...
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0answers
18 views

Using HDMI input port

I have a dell inspiron aio running ubuntu 15.10 and it has a hdmi input port. I was planning to connect my chromecast to it (via hdmi) then casting my phone's screen to it or to just connect a set top ...
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0answers
87 views

HDMI-VGA issues in 16.04

noob here: Lenovo ideapad 100 running ubuntu 16.04 won't support HDMI-VGA cable. Same cable works well on windows, so I suspect it's driver related. Any suggestions?
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8 views

No HDMI sound output - nexus 7 ubuntu touch multirom

I have Ubuntu touch stable channel on my nexus 7 using multirom. If I boot into Android, sound works fine over HDMI. But booting into Ubuntu, sound doesn't come out. Does anyone know if this is a ...
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0answers
25 views

Using HDMI/DisplayPort audio does not work via docking station

I have a Dell Latitude combined with a docking station. On Ubuntu 14.04 LTS I was able to choose a HDMI/DisplayPort device in the sound settings playing the sound via the monitor speakers. After ...
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0answers
33 views

Primary screen turns off after disconnecting external monitor

I have a Dell external monitor connected to my ASUS UX305UA laptop. I use HDMI port, which is connected to HDMI-VGA converter, which connects to the monitor. When I turn on my laptop and connect the ...
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0answers
29 views

Errors when adding a 5th monitor

I seem to have hit a plateau, and it's not for lack of searching and reading and testing things! I've got a new Dell XPS 8900 with a GTX970 running 15.10; it has 3x DisplayPort 1.2 ports and a single ...
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0answers
207 views

No second display over HDMI (16.04 LTS) hybrid graphics

I cannot seem to enable or use my HDMI port in Ubuntu 16.04 LTS. As I connect it with my TV, there's no signal on either ends. Detecting displays doesn't work. It probably has something to do with ...
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0answers
26 views

How do I configure Ubuntu to support VGA to HDMI Graphics

I have a Dell Optiplex 745. I just installed Ubuntu 15.1 I have an Acer HD touch monitor. I use a 4 port HDMI KVM w/audio. To connect the VGA output to the KVM, I bought a TrippLite VGA to HDMI ...
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0answers
25 views

HDMI sound fails, inexplicably resolves, repeats failure (Intel NUC to Viewsonic Monitor)

My HDMI sound is connected from an intel NUC core i3 (a version without all the extra legacy serial and vga interfaces) and connected to a 1080p ViewSonic Monitor with built in speakers. My sound ...
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0answers
40 views

Is it possible to automatically change sound output from HDMI to headphones when I plug them in?

I've been using my laptop's built in speakers. When I plug in my headphones, sound stops coming out of the speakers and comes out of the headphones instead. I have a HDMI monitor and would like to use ...
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0answers
17 views

How do I fix overscan?

Please don't mark this as duplicate! I have read many similar question but could not find a good answer for my situation. I am running Ubuntu 15.10. I have a Sansui SLED2900, which works fine over ...
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0answers
51 views

How can I make Lubuntu duplicate the current resolution on an external monitor through HDMI?

In Windows there's an option to "Duplicate screen" when you connect an hdmi cable to an external monitor. That way both screens, the TV's and the Laptop's, have the same resolution and it doesn't ...
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2answers
82 views

No sound from HDMI audio output (NVIDIA)

I can't get audio out from HDMI for my HTPC. Using Ubuntu 14.04.1 LTS - KODIbuntu on Lenovo Ideacentre Q150 hardware with NVIDIA ION graphics. The problem appears to be that the PC doesn't recognize ...
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1answer
119 views

Nvidia HDMI sound is not working, cant update ALSA driver

I recently installed Ubuntu 16.04 on my desktop PC. My graphics Card is 780GTX, it is recognized and works. I updated to the 361 nvidia binaries driver. But the sound over HDMI doesnt work. The ...
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2answers
640 views

Ubuntu 16.04LTS extended display not working

I recently upgraded my system from Ubuntu 15.10 to 16.04LTS. But after the upgrade, my extended display is not being detected. I am connecting the second display through an HDMI port. I even tried ...
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0answers
256 views

16.04 ALSA / Radeon R9 380 HDMI Audio

I recently upgraded from Ubuntu Studio 15.10 to 16.04, and audio output from my GPU's HDMI port no longer seems to work at all. Output from alsa-info.sh can be found here, which includes aplay -l ...
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0answers
40 views

HDMI screen gives “no signal” but VNC screen shows window manager correctly

My Ubuntu 12.04 kernel is running perfectly fine and even the desktop shows in all its glory when I connect via a VNC client from my Mac. It even recognizes my HDMI monitor that is physically plugged ...
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1answer
345 views

16.04 second monitor does not work

I always had problems with second monitor on my Ubuntu (it was not able to fall to sleep mode) but after upgrade it does not work, the scenario is very similar, it does not change mode to sleep, but ...
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1answer
72 views

System does not boot up without connected to external monitor via HDMI

yesterday I just updated Ubuntu Gnome from 15.10 to 16.04. I have an external monitor connected to my Asus G55VW notebook via HDMI. After the update there weren't any problems until today, when I ...
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1answer
87 views

16.04 switches HDMI to Speakers after screen dims

I have following set-up of audio and video devices connected via HDMI cables: laptop --> AV receiver with speakers --> LCD display When my screen goes black due to inactivity, also sound ...