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

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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
38 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
1k 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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0answers
43 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
31 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
22 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
63 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
131 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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2answers
220 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
148 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
33 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
39 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
45 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
78 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
42 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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0answers
237 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
80 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
29 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
292 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
79 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
33 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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24 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
151 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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22 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
62 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
57 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
33 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
289 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
36 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
35 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
97 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
25 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
55 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
136 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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votes
1answer
208 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 ...
4
votes
1answer
3k 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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vote
1answer
528 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
47 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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vote
1answer
634 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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vote
1answer
137 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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votes
1answer
128 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 ...
2
votes
0answers
328 views

Enable discreet graphics card (AMD, Intel) 16.04 LTS

I have a hybrid-graphics system with power-saving onboard Intel graphics, and an ATI accelerator (Lenovo z51-70, i5, 8 GB RAM, SSD) Back in 14.04, with fglrx, I used to have ATI Catalyst, which would ...
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vote
1answer
195 views

BQ M10 Ubuntu Touch - Micro HDMI Not Outputting to TV

I'm trying to use my BQ M10 (Ubuntu Touch Tablet) with my 65 inch TV as the display. I purchased a GE brand "Mini + Micro HDMI to HDMI Adapter" from Walmart today and I have another adapter that ...
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0answers
39 views

Ubuntu 14.04 update has caused desktop to be larger than physical screen

I've been running 14.04 with lxde on a Foxconn nanoPc for some time. It's a low power home network server (dnsmasq, radius, mysql), doubling as a home office skype center since it's always on and low ...
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0answers
40 views

My HDMI audio output disappears after my screen is turned off for a long while

CPU: intel i5-4460 iGPU: intel HD4600 It happens after I turn my screen off for a long while, if it isn't turned off for a long time, it won't happpen.
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0answers
52 views

external Samsuang HDMI monitor is not recognized after software update on Ubuntu 14.04

I have dell Vostro 5000 with Ubuntu 14.04 after software update it stopped recognize my external HDMI Samsung Monitor. It has both Nvidia and Nvidia and I am working on the Intel one. Can you please ...
0
votes
1answer
93 views

Ubuntu 14.04 updated last night - HDMI video stopped working

Ubuntu 14.04 with an integrated Intel graphics card that has worked for 6 months connected only to a Samsung TV via HDMI. Software update ran last night, installed some new packages. After rebooting,...
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0answers
155 views

Ubuntu doesn't detect an external monitor

I have two monitors. The first one works fine with both my windows and my Ubuntu 15.10 machines. The second one works with my windows machine, but not with my Ubuntu machine. It is outputing a DVI ...
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1answer
101 views

Turn off external monitor when inactive

I added an external monitor to my laptop last week and have almost everything working like I want except for the Brightness & Lock behavior. I've long had this set to "Turn screen off when ...
0
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2answers
97 views

Nvidia 760 GTX 14.04 Driver Install Problem

I know there are lot of posts with similar titles... but I think I've tried about all of them. I can't seem to get nvidia drivers to work. Failure mode. I go through the below steps... After ...