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

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6 views

How to make ALSA default to HDMI and use internal speakers if it's not available?

First of all, I have problems with pulseaudio, after some time it becomes very choppy and loads one core to 100%. From the fact that if I open systemsettings5 at this time the active sound output is ...
2
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0answers
16 views

No HDMI sound on Nvidia card on Ubuntu but no problem winth windows

Tested Mint 17,ubuntu 14LTS,kubuntu 16LTS,currently on ubuntu 16LTS. Nvidia driver installed. Checked alsamixer for muted device & unmuted them. pavucontrol shows all HDMI output unplugged. In ...
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0answers
8 views

No audio on Intel Graphics HD 520 (NUC6i3syk)

I just installed 16.04 on my NUC 6i3SYK. It has integrated Intel Graphics HD 520 with an HDMI output, which I've plugged into my TV. $ aplay -l gives **** List of PLAYBACK Hardware Devices **** ...
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1answer
4k views

HDMI not detected Ubuntu 12.10 - ATI Radeon HD 6670

Brand new to Linux, so help a young blood out :-) (I'm a novice/hobby programmer, but completely new to Linux command syntax, etc) Brand new everything Rig. Fresh install of Ubuntu 12.10. Ubuntu ...
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0answers
20 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 motherboard audio out to the TV, ...
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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 ...
2
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1answer
5k views

Dual monitor connected to hdmi port not detecting on Dell Vostro 3750

I am using Dell Vostro 3750 laptop with 2 monitors. OS Kubuntu 13.04 1 monitor I connected with VGA and it is working fine. But another monitor connected to HDMI port is not detected. I connected ...
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1answer
79 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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0answers
20 views

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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0answers
23 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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0answers
56 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
15 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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1answer
77 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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1answer
94 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
27 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 ...
2
votes
1answer
88 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
552 views

Display unknown after nvidia driver update, resolution stuck at 800x600

I am currently running Ubuntu Gnome 15.04 I just installed the proprietary nvidia driver version 346 to resolve issues with another application and restarted my desktop to find that my main monitor is ...
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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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0answers
45 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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5answers
17k views

Overscanning picture problem using HDMI with Intel Graphics

When I use my laptops HDMI on a TV the TV overscales the picture (~5-10% is missing at the edges). There is no option on the TV (sporting a 720p resolution btw). The comp is running Intel HD Graphics ...
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2answers
772 views

Problem getting 4K (UHD) output to Sony 65" 4K TV XBR-65X900A

I think I have tried everything... but hoping someone here can show me I haven't tried everything. I am unable to select or configure an output above 1080p on my Ubuntu machine. I have tried latest ...
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27 views

intermittent display flipping with Thunderbolt 3 dual monitors [closed]

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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1answer
735 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
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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2answers
132 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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1answer
5k views

Using HDMI to my TV all works fine but XBMC wont open to the TV only to the laptop screen?

Everything else works fine. It loads fine but then the HDMI connection drops and it goes to the Laptop screen. I've looked through settings and can't find alternate display methods other than Display #...
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2answers
7k views

Turn off laptop display and have monitor

My laptop display has stopped working and is unfixable! Anyway, I got a full HD monitor and plugged that into the HDMI port of the laptop. I have changed the power settings so that I can close the ...
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0answers
143 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 ...
0
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0answers
30 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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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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0answers
198 views

How to disable monitor auto configuration?

Im running Ubuntu 16.04 (dev branch), XFCE as desktop environment. My computer is connected to two monitors. One via regular VGA cable and the other is connected to a HDMI Switcher. That setup works ...
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2answers
5k views

No HDMI audio in 13.04

I have just upgraded from 12.10 to 13.04 and now everything works perfectly, except the fact that I have no audio via HDMI. I am using a Samsung tv-monitor connected via HDMI to my video card Asus ...
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8answers
9k views

Nvidia X Server Settings only shows 1 screen (laptop + external monitor connected)

I have recently installed a new copy of Ubuntu 14.04 on my Dell M3800 which has Nvidia Quadro K1100M graphics card. Later I also connected my external monitor via HDMI (HDMI to DVI connector). Then ...
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1answer
4k views

Gnome: Video drivers on Dell XPS 9550 with 4K UHD screen

This laptop has an i7 processor and a discrete Nvidia GTX 960M card. I'm trying to run Gnome Shell. Has anyone got this working really well? And if so, how? My research/trials on Ubuntu Gnome 16.04, ...
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0answers
32 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 ...
4
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1answer
2k 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
59 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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0answers
213 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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0answers
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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1answer
6k views

How do I disable dual screen after connect HDMI cable?

I plugged the HDMI connector and turned on the computer, but when the log in screen appears the laptop screen appears split in 2, one top and one bottom. The external monitor connected via HDMI works ...
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votes
0answers
115 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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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 ...
2
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2answers
4k views

No HDMI sound on ubuntu 13.10

I have my computer connected to my Sony TV, the HDMI video output works fine but I cant get the audio to work. I can see the HDMI output option in the sound settings but nothing happens. When I plug ...
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0answers
327 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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2answers
72 views

Dual DVI Monitors not Extending, Lubuntu

I have recently returned to Linux and am attempting to setup my new PC rig. I've run into issues with the way my monitors are setup. I have done a fresh install of Lubuntu (You can view the version ...
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0answers
61 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 ...
0
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1answer
67 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
41 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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41 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.