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

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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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43 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
179 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
145 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
92 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
207 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
73 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
108 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
97 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
341 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
33 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
245 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 ...
0
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1answer
28 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
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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
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0answers
128 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 ...
-1
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1answer
76 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
645 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
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1answer
142 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
688 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. ...
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0answers
126 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 ...
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1answer
5k 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
260 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 ...
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0answers
79 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
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1answer
164 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 ...
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1answer
143 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 ...
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0answers
326 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 ...
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3answers
708 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 ...
0
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0answers
174 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 ...
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0answers
72 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 ...
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1answer
96 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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1answer
1k 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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0answers
24 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
109 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
88 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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2answers
177 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 ...
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0answers
116 views

Using both HDMI and VGA on ubuntu

I have two external displays that I wish to connect to my laptop using xubuntu 14. One connected to my HDMI port and one to my vga. The monitors are identical (Benq G2220HD). When I try to connect a ...
1
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1answer
1k views

Not available native resolution 2560x1440 (Display: DELL U2515H, GPU: nVidia GF550Ti, Ubuntu 15.04)

My display is a DELL U2515H. I have a nVidia GF550Ti GPU, and both should support the native resolution of 2560 x 1440 over HDMI. But highest resolution ubuntu detected automatically is 2048 x 1152. ...
0
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0answers
76 views

HDMI Input not outputting sound

Using an Alienware M17xR5 with Ubuntu 14.04 installed. I have connected my PS3 to the laptop using HDMI Input slot on the laptop. After pressing the HDMI IN key on the laptop the typical PS3 desktop ...
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0answers
130 views

No correct resolution after installing nvidia drivers

I recently installed the relevant nvidia drivers via the edgers ppa, and it definitely worked because my frame rate in minecraft went from 10 to over 200. But the problem now is that the resolution is ...
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0answers
307 views

SAA7130 based hdmi video capture linux

I need to experiment with HD video capture to provide to the open source world a decent video switching software (like the old and glorious DVSwitch). There are cards with HDMI inputs from black ...
1
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0answers
94 views

Is there a fix for Corsair Link

been trying to create new resolution output mode using: sudo xrandr --newmode "1368x768_60.00" 84.75 1360 1432 1568 1776 768 771 781 798 -hsync+vsync This is what I get: xrandr: Failed to ...
0
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0answers
104 views

Ubuntu not using external monitor by default

Okay, because I couldn't think of a better way to title this question, I'm going to try and describe my issue in detail here. I like to use my laptop as a desktop; I have an external keyboard and ...
1
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0answers
42 views

Default sound not working

I have two nearly identical Ubuntu (Mythbuntu 14.04.2) home theater machines. After setting up the first one, sound worked in MythTV, but not in other programs. I created the .asoundrc file and set ...
0
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0answers
229 views

Ubuntu not displaying with HDMI output and Nvidia GTX970

I'm trying to install Ubuntu 15.04 in my new computer. I'm using the HDMI output of a Nvidia GTX970 to display it but, after the GRUB menu, nothing else is displayed, so I can't even install the OS or ...
2
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1answer
252 views

Xubuntu 14.04 disables video output when disconneting / reconnecting a HDMI monitor

On Xubuntu 13.10 when I disconnect a screen connected on the HDMI output of my computer and then reconnect it, the signal directly comes back to the screen and I can continue to work. On Xubuntu ...
0
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0answers
42 views

My cursor is changing it's size when it's over Ubuntu UI

I have two displays: One on my laptop: 15 inch 4K One connected by HDMI: 27 inch Full HD I keep my laptop cover closed, and I'm using only HDMI connected monitor, Full HD. My problem is, no matter ...
0
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0answers
44 views

Display attached via mini-HDMI only found when it's on at start up

I have a TV attached via mini-HDMI to my NVIDIA graphics card. Everything works fine except that nvidia-settings only shows that display if it is turned on while Ubuntu is starting. If it is off and I ...
0
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2answers
173 views

HDMI: TV crops 16:9 from graphics card, 1-2 cm of image borders missing

The graphics card (Intel Iris graphics 6100) sends 16:9 video to the TV. 1-2 cm of its borders are cropped. How can I correct this?