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

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227 views

Monitor connected through VGA to HDMI converter not always detected

I recently bought a new laptop which does not have VGA output. Since my second monitor has only a VGA input I bought a VGA/HDMI converter. Some important information about my laptop: Ubuntu 14.04.3 ...
5
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1answer
250 views

Lenovo dock HDMI audio external monitor

I got a Lenovo T440s and a docking station, where the docking station is connected to a monitor (specs) with internal speakers through HDMI. My problem is I cannot seem to be able to change the audio ...
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0answers
151 views

My HDMI tv can't use audio Ubuntu 14.04 LTS

I have an Asus Laptop which is connected to a HDMI tv. I use this tv to mirror my laptop screen but it won't use my audio settings. I looked around and I saw multiple answers but they often mentioned ...
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0answers
162 views

Update 1 : Trying to fix hdmi audio, result = No more HDMI audio devices, alsamixer not working anymore

Hello friendly ubuntu users ! I tried (a lot) to work around with this guide to find a solution about my no sound issue in desktop environment resulting in a worst case scenario ...
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0answers
30 views

Remember which audio device to use for which application?

I have a Python program which uses OpenAL for audio. I'd like the audio coming from that program to be heard from HDMI speakers, not built-in speakers. I can use Pavucontrol (Pulseaudio GUI) to ...
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0answers
565 views

VLC won't play video via HDMI to TV

When I connect TV and Laptop via HDMI cable and play a movie with VLC I only get to see the ubuntu desktop, not the VLC output. No video, no audio. Under Windows it worked like this. I've googled it, ...
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2answers
217 views

How to force Ubuntu 14.04 to use HDMI only

Ubuntu 14.04 + Gnome3 + Nvidia card In both Nvidia's settings and Gnome's display settings, I've disabled the laptop screen, but when rebooting those changes do not stick and the main screen ends up ...
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0answers
182 views

mini display port / HDMI on Macbook with linux

I have a macbook air running ubuntu 14.04 and i want to connect it to an external monitor throught the only output that it has which is a mini display port. The adaptator worked with mac OS but with ...
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0answers
359 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 ...
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0answers
29 views

Audio over HDMI not working

I am running ubuntu 15.04 and plugged in my HDMI cable. The picture works fine but the audio is not transmitted to the TV only playing on the notebook. When opening settings->sound I can only see ...
0
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1answer
61 views

When I Plug In the HDMI Cable From My TV To Watch Content From My Laptop To The TV I get Two Different Screens

OK guys heres the dilemma. I want to watch NCIS from my laptop on my big screen tv but when I plug the HDMI cable from the TV to the laptop, the screen thats on my laptop is different from the one ...
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0answers
144 views

HDMI ubuntu to Sony TV unsupported signal

I have a Toshiba Netbook NB510, I used to connect it via HDMI to my Sony Screen to watch movies and such on Windows 7, no problems whatsoever. And then I changed it for Linux mint, and it had some ...
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vote
1answer
88 views

No sound after installing update 14.04 LTS

Running 14.04 on an Intel NUC with HDMI output to home theater (no built in speakers). Previous to most recent update everything was fine. Now I get no sound. I followed the advice on all the ...
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0answers
143 views

choppy/poppy audio via HDMI (ALSA/pulseaudio)

Followup problem to this: Lubuntu 14.04 no sound, can't install pulseaudio Using LUbuntu 14.04. Installed pulseaudio. Headphone audio is clear, choppy/poppy audio via HDMI.
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0answers
42 views

HDMI extended monitor hotkey customization (Super + P)

Is there a way to disable mirroring when pressing Super + P to cycle through display modes through HDMI?
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0answers
165 views

Still no HDMI audio on Intel NUC (NUC5i5RYH)?

Back in June, there was a question regarding lack of HDMI audio on an Intel NUC. According to the answer, there was a kernel bug that supposedly fixed the problem in 3.19.0-20. However, I'm having the ...
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0answers
130 views

Ultrawide resolution does not works with nvidia driver (but works with nouveau) - 12.04

I'm trying to get working my new UltraWide monitor (2560x1080px) via HDMI (nVidia 9500GT). By default, there is no option to select this resolution in screen settings panel, only 1920x1080p is ...
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0answers
84 views

outputing 4k@60hz on UB15.04

After setting up the OS with a normal display because it was flickering I changed to the Nvidia 346.59drivers(nvidia-346-updates, I have a Gtx970). I plugged in the 4k TV but the refresh rate was off ...
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0answers
194 views

Digital/Analog Sound Issue in Ubuntu 15.04

I've done two fresh installs of Ubuntu because of the following problem, and it's still there. It's driving me up the wall! Straight from the off, there was no sound being output from Ubuntu. I ...
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0answers
11 views

Change direction of HDMI desktop [duplicate]

So I have a laptop with Ubuntu 14.04 and 1 HDMI port. To the left of the laptop, I have a TV. I have connected the TV and laptop with an HDMI cable. Now, as far as I know, there are 2 ways you can use ...
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0answers
67 views

screen turns blank after pluging HDMI cable

am having a problem with ubuntu 12.04LTS .it seems like there is a serious bug in ubuntu because after pluging my HDMI cable my laptop screen turns completely blank even the tv gives " no signal" ...
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0answers
103 views

After updates, no more HDMI sound through TV speakers, ubuntu 14.04, 14.10 and 15.04

I know there are LOTS of threads out there on this problem and I think that I have tried all of them. Background: After allowing a normal update on my Ubuntu 14.04 machine, I lost sound. No sound ...
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0answers
89 views

Why does my computer restart/log-out when I turn my tv off then back on kubuntu 15.04

My set-up is Asus eb1505 Intel HD graphics w/dual core Intel celron processor connected to a Sony Bravia HD TV. When running Windows 8.1 had no issues with turning power on and off to TV. After ...
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2answers
316 views

How to fix HDMI Audio on Ubuntu 14.04 LTS (update broke it)

i know this question is often asked and has a lot of solutions, but none worked for me. After running the package-update from GUI i was watching movie with xbmc and everything worked (and has worked ...
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0answers
32 views

Buzzing Over HDMI 14.04 Build

I have a really frustrating audio issue. I'll get more exact specs/models if requested, but here's the basics: I'm running 14.04, Gigabyte Mini ATX board with an AMD A10 processor. Crucial ram and ...
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0answers
231 views

Config for Xorg.conf to set up both HDMI and dummy driver output

I've been having issues with trying to configure the screen resolution/geometry when connecting to Ubuntu 14.04 remotely via RealVNC viewer. Connected to plasma TV through HDMI, it can display ...
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votes
1answer
25 views

HDMI creating new desktop when playing movies

I'm very new to Ubuntu, but so far so good except.... I have a single monitor, when I connect the HDMI cable to the TV, it seems to open a separate desktop to the left of my screen and takes the ...
6
votes
0answers
1k views

Ubuntu not detecting the external display anymore [closed]

I just installed some updates and restarted and after this then Ubuntu doesn't detect the external display. It's connected with HDMI. What can I do about it? It doesn't appear in display settings. I ...
2
votes
0answers
125 views

Custom dual screen configuration buggy

Using Ubuntu's system settings to configure two screens (desktop monitor and TV via HDMI in my case) is not ergonomic. Hence I decided to code a handy switcher script which lets me choose between ...
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votes
1answer
75 views

Does Ubuntu 12.04 support HDMI? [closed]

Does Ubuntu 12.04 support HDMI? For some reason it doesn't work for me. Harware Details: Lenovo z50-70 laptop Intel Core i5 4210u Nvidia GeForce 840M (disabled in the BIOS)
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0answers
28 views

Second monitor stopped working (maybe) after installing cairo-dock and variety wallpaper changer

I'm using ubuntu 14.04 using an HMDI-to-DVI adapter in a HDMI port to DIV and it as always worked until this certain point. I'm pretty sure the adapter itself didn't suffer any damage that could ...
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0answers
572 views

Could not switch the monitor configuration could not set the configuration for CRTC 64

I have ubuntu 15.04 whenever I connect the HDMI, it just doesnt work, I get the error: Could not switch the monitor configuration could not set the configuration for CRTC 64 Nvidia driver is already ...
0
votes
1answer
134 views

HDMI display just stopped working

I am using Ubuntu (Kodibuntu actually, which is a flavor of Trusty) and I connected my display via HDMI. This has been working for years but today the display just stopped working. I can see the ...
3
votes
2answers
598 views

Firefox doesn't play audio

To be clear, the audio on my laptop is working just fine. Other applications in Ubuntu play sounds as expected. Firefox, however, won't output any audio through the native speakers or headphones. ...
0
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0answers
118 views

Audio over HDMI to receiver + 2 DVI monitors (NVIDIA)

It’s difficult to phrase my question succinctly since it I seem to strike new problems at every turn. The above title is what I’m currently trying to achieve, but the overall aim is to get 5.1 audio ...
0
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1answer
4k views

Ubuntu Mate For Rpi2 default resolution can't be changed

I have installed Ubuntu Mate 15.04 on my brand new RPI2 and the default resolution in the HDMI port is very small and can't be changed using system default display window. But when I play video using ...
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0answers
231 views

No signal on HDMI connected screen, but is detected in xrandr

I recently installed ubuntu 14.04 on my (old) Dell Vostro 3500 laptop. I have been struggling to get my hybrid graphical card working. At the moment I just use my integrated intel gpu, not my nvidia ...
0
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0answers
70 views

HDMI audio only works when X is started with KeepTty

I have my Ubuntu 15.04 installation setup to boot into the console, and then I manually startx when I need X. My machine has an nvidia card (346.82 drivers from distro) that is connected to a ...
1
vote
1answer
148 views

How to correctly detect hdmi port in 14.04 with onboard radeon 1200 to enable hdmi audio?

After upgrading from 12.04, i get no audio device from HDMI. Altough the display itself is working, seems that it doesn't even detect it as HDMI, but as DVI instead: mrguga@mrguga-server:~$ xrandr ...
1
vote
1answer
129 views

HDMI cable causes extreme video lag in Ubuntu?

I have a 42" Vizio TV hooked up to a Thinkpad E550 (running Ubuntu 14.04). When I hook up these two devices with a VGA chord, everything is perfectly fine; however, when I hook these two devices up ...
0
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0answers
286 views

ERROR : could not set the configuration for CRTC 64 any idea? 15.04

I have been trying to connect the Hdmi to my laptop so i watch movies on the LED but whenever i connect it, I only get audio but not the video and only the wallpaper appears on the LED,when i ...
0
votes
3answers
659 views

HDMI monitor stuck in 800x600 resolution

I turned my computer on and the internet wasn’t working (Ethernet cable) so I restarted and it came back online. after the restart my HDMI screen (my main screen) I am using two screens went to ...
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0answers
159 views

second monitor (4k seiki TV) shows “no signal” after going to sleep (Linux only)

I have a Dell Optiplex 9020 with an NVIDIA 750GTX video card. There is a Dell 24" monitor attached to a display port, and a Seiki 39" 4k TV attached as the second monitor. The system works with ...
0
votes
0answers
69 views

Why is there no TV sound using DisplayPort/HDMI converter on Latitude E6500 running 14.04?

I converted my Dell E6500 laptop from Win7 to Ubuntu 14.04. Works great except there's no sound from my TV when I connect it to a DisplayPort/HDMI converter. The sound worked under Win7, so hardware ...
0
votes
1answer
95 views

Kubuntu 15.04 HDMI to LCD works, HDTV does not

I've been at if for hours with no joy on this one so I'm posting my first question ever tonight. New install of Kubuntu 15.04 on a Dell Precision M6600 with nVidia Quadro 3000M video. Samsung LCD ...
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vote
1answer
965 views

No sound on chrome (Only) after using an HDMI cable

I used a hdmi cable to broadcast some youtube content to my tv (using chrome). I had to change the sound output from "speakers" to "hdmi" to have it on the tv. Now, there is no sound on my computer ...
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votes
0answers
21 views

When playing music through hdmi it stutters

I use Ubuntu 14.04 lts on the laptop. I have connected the laptop to a TV using hdmi and sound through home theater. When I am playing the music, the display turns off for a second along with that the ...
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0answers
93 views

Monitor Causing Ubuntu to Freeze Up

I have an AOC all in one monitor with three operation modes (DSUB, HDMI, and ANDROID). The monitor does work with Ubuntu partially. What I mean is that when I connect the DSUB (I don't have an HDMI ...
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0answers
87 views

HDMI works with LIVE USB but not installed Ubuntu

I have a bootable LIVE usb stick with Ubuntu Mate on it. When I boot up my machine with the Live USB, my hdmi output to my 32 inch Samsung TV works perfectly with default settings. After installing ...
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votes
2answers
156 views

when i close my laptop lid my secund screen requiers password when set to do nothing

I'm new to Linux using Ubuntu 14.04.2 LTS 64-bit and using a Fujitsu lifebook a series. When I close my laptop lid while trying to watch a movie on my TV with the HDMI cable. the screen requires my ...