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

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Cannot select Max Resolution on my Monitor over HDMI

I have an issues with my Dell 27 inch monitor. I have connected it via HDMI to my Asus M50VM which has Nvidia Geforce 9600m GS but the highest resolution I have available is 2048x1152 despite the max ...
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15 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 ...
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5 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 ...
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0answers
13 views

Unity stuck zoomed in after hdmi plugged in

I have a Dell XPS 13 2015 running Ubuntu 14.04. I plugged in a mini-display port to hdmi adapter into it to do a presentation. This seemed to work fine, I went for lunch and the laptop screen wouldn't ...
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0answers
41 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 ...
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0answers
13 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 ...
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0answers
67 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 ...
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0answers
31 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 ...
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30 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 ...
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0answers
18 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 ...
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2answers
31 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?
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1answer
83 views

How to Connecting laptop to LCD TV using HDMI

I have a TV and I would like to connect my Ubuntu 14.04 laptop to it via HDMI. When I connect HDMI cables between both devices I see am able to detect both devices in my display settings in Ubuntu. ...
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44 views

Linux Ubuntu HDMI screen detected but not showing (GT 525M

After searching every solution possible nothing seems to work for me. WHen i do nvidia-settings it shows the screen detected but i receive no output from the screen. In addition following this HDMI ...
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0answers
54 views

No HDMI Audio on Ubuntu 15.04 and NVIDIA Quadro 2000

I took me a long time to discover the sudo nvidia-xconfig to get the NVIDIA drivers working. I was assuming that was the cause of getting no HDMI audio, unfortunately it was not. The the output is ...
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1answer
38 views

Thinkpad W520 DisplayPort/HDMI sound

On my Thinkpad w520 with Nvidia Optimus (using Nvidia properietary drivers) I connected an external monitor via DisplayPort, using a Displayport -> HDMI adapter cable. The monitor has integrated ...
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1answer
33 views

Edit files on written SD Card (on Ubuntu laptop, edit boot files for Raspberry Pi)

I have just set up my Raspberry Pi and get a no signal when it is attached through a HDMI cable. I've seen that this is not uncommon and requires you to enter hdmi_force_hotplug=1 and hdmi_safe=1 in ...
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0answers
18 views

Xorg CPU usages High

I am facing the issue with Xorg. My application is playing content in chrome browser. After some time some how xorg cpu usages reach to 90% and stop displaying the content. I tried couple of things ...
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37 views

Digital audio does not work

I am having problems getting S/PDIF and HDMI audio working on Ubuntu 15.04. The S/PDIF output shows up in "System Settings > Sound", but no sound is outputted. The HDMI output does not show up. I ...
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9 views

Ubuntu LiveCD won't connect to HDMI

Laptop: Acer Aspire Ubuntu: 15.04 [I think], Live CD. [Don't ask why.] TV: Panasonic TV [Unknown exact specifications.] Please help!
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36 views

Ubuntu 14.04 Freeze Problem with HDMI

I run Ubuntu 14.04 alongside with Windows 7. When i connect my Dell Xps L502X from Windows 7 to the TV with HDMI cable it works perfect but when I try to do exactly the same thing with Ubuntu, it ...
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1answer
35 views

Kubuntu switch to headphone when connected

I have installed Kubuntu 14.04.2 using the 3.19.6 kernel on an Asus Chromebox. When I am in desktop mode, I couldn't hear any sounds. This is a list of the devices: **** List of PLAYBACK Hardware ...
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0answers
19 views

Audio through iec958 super quiet

I've tried a lot of things I can find, but nothing helps. Problem in Ubuntu 14.04: Audio plays fine through HDMI, but not through s/pdif. When I unlock and raise the left front or right front ...
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12 views

touch on NEC monitor with TUIO doesn't work

I have a monitor NEC P553 SST that use TUIO protocol and pc zotac with processor intel i3 with ubuntu 12.04. They are connected with HDMI. To use the touch, the monitor manual tells to turn off ...
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72 views

lubuntu 14.04: HDMI sound not working, fixes on forum won't work either

I'm running Kodibuntu, which is on the basis of Lubuntu 14.04 My HDMI is not feeding sound to my tv, but it is feeding video. The root of this problem must be in Lubuntu so what I am trying to do ...
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2answers
55 views

does not detect my sound card HDMI

Mainly, the sound only heard in the computer and not on TV, I have no problems with the video, it works correctly. Ubuntu never detect my sound card hdmi. commands: aplay -l results: **** Lista ...
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44 views

ubuntu 14.04 HDMI wrong resolution

I recently purchased a NVIDIA GTX960 and having issue with my secondary monitory connected by hdmi cable ( using HDMI to VGA converter ). The monitor in question is Acer X233H and has resolution of ...
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3answers
128 views

Dual monitor problem (only 1 monitor displays) [closed]

so I have 2 working monitors, and after installing Linux ChaletOS x64 (based on Ubuntu 14.04) only one of them is displaying. Now at 1st neither would show anything pass the bios, so i changed them ...
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1answer
75 views

Using AMD graphics card with Ubuntu (Sound)

I understand this has been asked few times and I've read through few threads as swell but I didn't understand everything: I've read AMD graphics drivers and fglrx: No matching Device section for ...
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0answers
22 views

no sound from hdmi

I can't manage to have my sound go through my video-projector plugged in through HDMI. I've tried several answers here on the forum and none seem to work. Here is my aplay -l: card 0: HDMI [HDA ...
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0answers
47 views

Can't click mirror display and can't connect laptop to tv with hdmi

I have a laptop Asus N46V and when I try to connect it to my tv with a hdmi cable nothing happens. I tried to click mirror display but it's in grey and UNclickable. When I installed Ubuntu 14.04 I had ...
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0answers
36 views

No audio devices in audio settings Ubuntu 14.04

I have Ubuntu 14.04. I recently connected my laptop to my TV via HDMI. After that my sound through speakers stopped working. It was working via audio jack for some time. The audio devices in audio ...
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32 views

HDMI tone output not working with PC audio but with test audio

just at the beginning: I'm not good in using Ubuntu (i've been using it for app. one moth) so please do not give me any unexplained instructions. Please do give me detailed information what i have do ...
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1answer
94 views

Second monitor connected by HDMI stopped receiving signal but Ubuntu 14.04 still shows that a second screen is connected

About 30 minutes ago I was watching something on my TV which is connected by HDMI to the port on my Lenovo Thinkpad Yoga running Ubuntu 14.04. For whatever reason now, the TV is no longer receiving a ...
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1answer
23 views

Hdmi and Laptop

i have following question about HDMI : Is there a way to configure the HDMI port , that it doesnt switch off , when I close the laptop lid or the screen goes sleep and locked ? Background is I want to ...
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1answer
64 views

Ubuntu Popcorn Time TV Stick

I purchased a "PC on a Stick" Intel Atom cpu, 2gb ram, 32gb storage. It currently runs Win 8.1. I want to install Ubuntu, and have it boot straight from "power on" into Popcorn time, not allowing the ...
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0answers
64 views

External display via HDMI not being recognized in Ubuntu 14.04

I am trying to connect my Samsung TV as an extended display via HDMI, but when I hook up the connection, the display is not recognized in Ubuntu. It acts as if there was nothing connected. I have Win7 ...
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0answers
94 views

Thunderbolt Display on non Apple computer

I just got a System76 Galago UltraPro, and I'm trying to hook it up with my Thunderbolt Display A1407. I have tried by using both the Mini DisplayPort from the display to the computer, and a ...
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1answer
50 views

Asus external monitor has pink tint [closed]

One day, my ASUS PB238Q monitor started having a strong pink tint to it. Question: How can I tell if this is a software or hardware problem? If it's a software issue, how can I fix it? ...
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157 views

HDMI problems only in Popcorn Time

I get static and cracking sounds when watching PopCorn Time on my TV connected to my laptop on HDMI. The same doesn't happen when using Popcorn Time through HDMI in Windows in the same computer. ...
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1answer
50 views

Dell M3800 with 14.04 LTS HDMI randomly cuts out

I have a M3800 plugged into a Dell U2913WM via HDMI I'm using the nVidia binary driver (331.113 from nvidia-331), which is the recommended driver I've used multiple HDMI cables, and plugged into ...
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0answers
37 views

No “Hdmi” option in my Sound Settings. How to fix it? [duplicate]

My laptop is a Dell 5748 (Ubuntu 12.04 pre-installed). After formatting the hard drive I installed Ubuntu 15.04 and Windows 8.1 Pro. My problem is that there's no Hdmi option in the sound settings. I ...
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0answers
31 views

Sound device missing after ubuntu 15.04 upgrade (HDMI / ALC283) [duplicate]

I just upgraded to ubuntu 15.04 and noticed that my HDMI audio device is totally missing from the sound menu / application in settings. It looks like there is a device, but it's number 1 instead of 0? ...
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0answers
91 views

Help Driver (ATI HD 4650) for grafic card Ubuntu 14.04

hello i need some help to solve this issue i'm new in using linux systems the problem is the following i use a desktop computer and is conected with HDMI so i tried to install ubuntu 14.04 LTS using ...
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0answers
96 views

HDMI1 Disconnected Plasma TV xrandr Ubuntu 14.04lts

My Machine: HP Pavilion g6 Processor: 4x Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz Memory: 3937MB (1217MB used) OS: Ubuntu 14.04.2 LTS Resolution: 1366x768 pixels Audio Adapter: HDA-Intel - ...
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0answers
61 views

Managing external monitor resolution on TTY

I have a Lenovo E540 laptop running Ubuntu 14.04 with Kubuntu-Desktop installed. A second monitor is almost always plugged into the HDMI slot and I can set up the resolution just fine to be 1360x768 ...
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0answers
222 views

no HDMI audio on Intel NUC (NUC5i5RYH)?

As the subject suggests, I'm having a bit of trouble getting audio over HDMI with an Intel NUC. I'm running 15.04 Vivid. To be honest, I've heard before that the kernel is considered to be monolithic ...
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0answers
38 views

Cannot adjust S/PDIF in alsamixer

I experience that no audio comes out of the HDMI port on my graphics card. I suspect that it simply does not support audio via HDMI, but I have not been able to tell from Googling. When I first ...
0
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0answers
55 views

No signal when connected to projector

I have an Acer Aspire V5 573g with two graphic cards: the internal Intel card and a NVidia GeForce GTX 850m. Whenever I try to connect my notebook to a projector via the displayport (with a ...
0
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0answers
29 views

Cannot Mirror Display to HDTV

I am not able to mirror my laptops display to the HDTV, I am using a HDMI cable, Initially i tried connecting the HDMI cable after ubuntu had loaded. It didnt work. Then i tried connecting the HDMI ...
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1answer
247 views

No sound over HDMI running 15.04 on NUC D54250WYK

After upgrading to 15.04, and maybe another update round, I can't hear any sound over HDMI. A sound device seems to exist: $ aplay -l **** List of PLAYBACK Hardware Devices **** card 1: PCH [HDA ...