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

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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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14 views

I have 3 monitors, new windows appear on the first (left) one, how do I change this?

I am new here. Despite I am on Debian, I also have 3 machines with Mint. I'm on Debian Jessie (stable) and whenever I open new application, it appears on the first (left) screen, how do I change this? ...
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1answer
5 views

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

When i close my laptop lid while trying to watch a movie on my TV with the HDMI cable the screen requires my password like it dose when waking up from suspension. Under All settings > Power, ...
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0answers
15 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 ...
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0answers
19 views

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

My display: DELL U2515H, GPU: nVidia GF550Ti both should support native resolution 2560x1440 over HDMI. But highest resolution ubuntu detected automaticaly is 2048x1152. Tested solution "A" ...
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0answers
10 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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1answer
21 views

How to change cmdline variables on boot or first boot

Not sure if this is the correct place to ask this question. I am running Ubuntu 12.10 on an EMB-3500 board. Its is an I.MX6Q. So my U-Boot saves the evn variable for my video as a development ...
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37 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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1answer
36 views

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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0answers
24 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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0answers
14 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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45 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
14 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
72 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
34 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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0answers
32 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
19 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
35 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
88 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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0answers
46 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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57 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
43 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
36 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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22 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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43 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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11 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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38 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
38 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
21 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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0answers
13 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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0answers
81 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
60 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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0answers
47 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
150 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 ...
3
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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
23 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
50 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
39 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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0answers
34 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 ...
2
votes
1answer
103 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
65 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
66 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
102 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 ...
0
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1answer
55 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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174 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
59 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
102 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 ...