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

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HDMI audio works intermittently (15.10)

I'm having trouble with my HDMI audio out. When I have the HDMI cable plugged in, I can see HDMI out as an option in my sound settings, but when I select it, one of a few things happens: the sound ...
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115 views

HDMI problem with Dell Laptop with Radeon HD 8670A/8670M/8690M / R5 M330 graphics

I'm facing some problems in connecting external displays via HDMI cable to my Dell Inspiron 17 5759 running Ubuntu 15.10. The Display controller is 01:00.0 Display controller: Advanced Micro Devices,...
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61 views

Ubuntu 14.04 Suddenly stopped detecting HDMI monitor (Integrated graphics)

I usually have my laptop connected to a second monitor via HDMI, and for the past few months that has never been an issue. I'm using a Dell Inspiron 15R with Intel i7 and no dedicated graphics. ...
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73 views

Ubuntu 15.10, nvidia GTX760M

I'm using an ASUS ROG laptop with a screen resolution of 1920x1080 and for most of the time it works ok, small glitches barely visible. Recently I've bough a 4K monitor and I use it through the HDMI ...
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39 views

No Display (HDMI)

This is what happens: When I boot from a live USB (Xubuntu), I get the display of 1024x768 with no sound but still I atleast get a display. When I boot from the main hard-disk, I do not ALWAYS get ...
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58 views

Multi-screen display

I have a Dell XPS L502x running Ubuntu 14.04.1 and nvidia GT504m. Im trying to connect 2 monitors to the laptop, one via the hdmi connection and the other using the mini-display port. Connecting a ...
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24 views

TV losts video signal over hdmi

I have a pc connected to a TV via hdmi. After I have turned off TV and then turn it on again it tells me there is no signal. To solve this I restart X and then everything is fine. What can I do to rid ...
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30 views

No Way to Choose Analog BuiltIn Sound

I have other issues, but sound is my primary issue right now. I am running Kubuntu 14.04 Kernel Version 4.2.0-27-generic and a 64-bit installation. My output for aplay -L is: default Playback/...
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22 views

Ubuntu 14.04 is not associated with TV

I bought a laptop Dell Inspirion 15 Product details , but does not connect the HDMI cable to the TV. Where could be the problem if the operating system or TV? TV is Sony Bravia, until now I have not ...
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40 views

Pulse Audio HDMI Sound Card “configured latency”

I'm running a service that syncs audio between multiple speakers / TV's. I have PulseAudio running. Syncing works fine until I tried in on a Vizio TV, when I noticed the sound was off just enough to ...
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110 views

Ubuntu 15.10 can't detect second monitor

I'm trying to connect a monitor to my ThinkPad S440 via HDMI. When I go to display settings, no additional monitors are detected. I have Radeon HD 8670M and have changed settings in AMD Catalyst ...
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75 views

Secondary monitor (via micro-HDMI) black, despite being recognized

I'd like to attach a secondary screen (at 1280×1024) to my laptop – it's an ASUS Zenbook UX305, which comes with an integrated 00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated ...
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18 views

Second monitor only displays a “_”

I have my main monitor and my secondary monitor, during boot he actually shows everything on the secondary monitor but after its booted the screen goes black and it only shows a _. The display ...
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101 views

second monitor connected through HDMI not detected on Ubuntu

Operating System: Ubuntu 14.04 LTS Second monitor connected through HDMI not detected. I have a dual-boot windows and Ubuntu, Windows 10 detects the monitor without any problems while Ubuntu is ...
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108 views

Ubuntu doesn't recognize a screen connected to HDMI port

I'm using Ubuntu 15.10 on a laptop. My laptop is connected to an external computer screen in HDMI port. However, nothing is presented on this screen, and when I go into System Settings -> Displays, I ...
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42 views

Xubuntu - No video signal

I recently switched from Unity to Xfce on my HTPC with a clean install of Xubuntu. Now whenever I turn off my TV and let it sit for a while, when I turn the TV back on there is no video signal, even ...
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33 views

sound from speakers & headset at the same time

My build in audio plays sounds for both headset and speakers, the automute control does not do anything, even so is there. I have try changing the alsa and some other stuff like gnome-alsamixer.
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21 views

Secondary Screen & Mouse Click snafu

I think both my problems are related. When I connect my laptop (Dell Latitude E6410) to my TV, after some overscan tweaking’s, it looks good on the TV but when I move my mouse to any of the edges of ...
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83 views

Audio stops working after playing one item on kodi

I have an ubuntu box running with pulseaudio and kodi, playing audio over HDMI. After I play one video my audio stops working for all next video files. If I restart pulse audio with pulseaudio -k ...
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59 views

Radeon HD 3000 drivers for Ubuntu 14.04.3? HDMI overscan problems

Please be patient with me, I haven't used a linux distro since slackware in the late 90's and have since forgotten everything I once knew. Anyways, I've installed Ubuntu 14.04.3 on my main HTPC ...
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53 views

How do I get HDMI working on AMD FirePro M5100?

Basically what the question says. Linux is not even detecting the display device when I go to adjust settings. The graphics card is a FirePro M5100 w/2GB GDDR5. The laptop is a Dell Precision M4800. ...
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95 views

firefox+html5+hdmi audio = crackling

I'm having problems watching videos, mostly on youtube, using the html5 player. The sound has a lot of crackles and is not easy to listen to at all. This only happens when I'm outputting the audio to ...
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75 views

Ubuntu 14.04, HDMI cable not registering

I have a desktop PC running Ubuntu 14.04. Have been using an HDMI cable to connect to a Philips TV, which has been working for about 4 months. Today, switch on the PC to get a 'No Video Signal' ...
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90 views

Dual monitor problem on Ubuntu 14.04. After monitor switch off and on, application Chrome closes by itself

I have a problem that involves a Ubuntu 14.04.3 LTS that runs on a NUC Mini-PC.The NUC is connected with two external Samsung Smart TVs 1st display connected via HDMI , 2nd display connected via ...
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41 views

HP 650 - HDMI port doesn't work

I have laptop HP 650 (2 core Pentium, 4GB RAM) with 2 display ports: VGA and HDMI. If i connect display on VGA port it's really fine. I have 2 displays. When I want to connect display to HDMI (as ...
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72 views

Ubuntu 14.04 display port or VGA connection with limited resolution on second monitor

i just installed ubunutu 14.04 and have problems getting a second monitor working on my laptop. the display port via HDMI makes no connection at all and the VGA connection has limited resolution on ...
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28 views

No sound over HDMI

I have a Dell Inspiron laptop with the Intel 3000 HD video. I'm running 12.04.5, all updates. In the past, I've had no trouble, other than having to manually tell the sound subsystem to use HDMI ...
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80 views

Cannot make HDMI and hibernation work with GTX920m on Dell laptop 7559

I was given this laptop and trying to make it work with HDMI. I get some app crashes when the laptop resumes from hibernation, but for now I am focusing on making HDMI work. I have tried all drivers ...
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61 views

Mirror Display grayed out when HDMI is connected in Ubuntu 14.04

When I connect my HP-G71 Laptop to my LG TV via HDMI Ubuntu only recognizes the TV as a extended or duel monitor. I noticed the Mirror Display option is Gray-Out. I searched and with results and it ...
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56 views

How to install unbuntu on a laptop with a broken screen

I currently own a ASUS Notebook that I want to install unbuntu on. It currently is running Windows 10. My main problem being that the notebook's screen is broken(,and I have no ability nor money to ...
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30 views

How to connect laptop Ubuntu 14.04 VGA1 to enable TV to work

I have followed guidance on getting laptop with Ubuntu 14.04LTS to connect to plasma TV using an HDMI cable. So far, the sound is working and I can see the Ubuntu desk top on the TV. However, none of ...
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51 views

External display problem from two laptops to two external monitor through HDMI switch

Bascially I want to connect each of my laptop (two in total) to my external monitors. One runs Ubuntu (for my general use) and the other runs Windows (for some engineering softwares that only run on ...
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169 views

Ubuntu 14.04 freezes after connecting HDMI

Just after connecting the HDMI cable, my screen freezes for about 20 seconds, after which it works normally. Doesn't happen when I plug out. The second monitor works fine, recognizes both mirrored and ...
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177 views

No DisplayPort/HDMI in sound setting (Dell XPS L502X, Nvidia), Unable to get audio from HDMI

I have connected my DELL XPS L502X to Yamaha Receiver. The setup works perfectly in Windows but in Ubuntu 15.10 / Mint 17.3, I am not getting Audio from HDMI (laptop speaker works fine). This problem ...
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169 views

Mini Displayport not carrying audio using an HDMI adapter on a Thinkpad X250

My new Lenovo Thinkpad X250 has a Mini-Displayport as a digital audio-video output: I use to connect it to a TV using a Lenovo HDMI adapter. Although, audio is not shared. With respect to other ...
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112 views

No audio on HDMI Alienware 15r2

I have audio coming from my internal speakers, and video coming from HDMI, but no audio out HDMI, nor out the 3.5mm jack. Here is the output of aplay -l: **** List of PLAYBACK Hardware Devices **** ...
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99 views

How to reset HDMI audio settings?

I recently was reviewing my HDMI settings and thought it would be a good idea to change from HDMI to HDMI 5.1 (at the time also had the option to choose 7.1). After changing to HDMI 5.1, selecting ...
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58 views

Dual sound card, AMD/ATI HDMI not working

I am trying to get the sound on the TV working through HDMI. It used to work with no problems at all, until now. The PC didn't have any upgrades, so I don't know what might have caused it. I did ...
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113 views

Lenovo Y580 4k monitor

I have a Lenovo Y580 which has an Intel HD 4000 and a Nvidia GeForce GTX660M graphic card. This laptop has a HDMI, but it's connected to the Intel Graphic, and after lots of search I found that "...
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103 views

Problems with Dell 13 7000 external scrceen on Ubuntu 14.04 LTS

I am trying to get my Dell 13 7000 working with an external screen on Ubuntu 14.04, and I'm having no luck. In order to get WIFI working I've installed the following kernel: 4.2.3-040203-generic #...
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41 views

HDMI not reinitializing after disconnecting in 14.04LTS

When receiver switches HDMI inputs from the Ubuntu 14.04 LTS system to something else and back the HDMI output goes blank/off and won't reinitialize. The only way to get video back is to reboot the ...
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58 views

Cannot restore HDMI input after switching sources HDMI switch

I have a 5 port Kinivo HDMI switch that connects several devices. One of the devices is an HTPC running Kodibuntu (Ubuntu 14.04 at the core). When I start it up with the switch selected on its port, ...
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103 views

A Magewell USB Capture HDMI alternative, just for screenshots?

I am the owner of a website that posts how-to guides on technology. I am looking for an HDMI Capture USB Dongle, so I can take screenshots from other devices, such as the Raspberry Pi, or for ...
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76 views

Unable to detect connected display

I have connected a Samsung monitor using a VGA to HDMI converter to my Dell Laptop (has only HDMI). How ever I am unable to see any new screens on Settings > Display. I have tried setting the monitor ...
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26 views

How can I use logstalgia with ubuntu server, and two monitors?

I have an ubuntu 14.04 server with a VGA integrated graphics port, and an Nvidia graphics card with three outputs (hdmi mini, and 2x dvi). I just got this machine, and set up 14.04, and it has its ...
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90 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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238 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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89 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 back....
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109 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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142 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 ...