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

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Dual display detected but not working after startup 14.04

Here's my situation--I've got an HP Envy laptop running 14.04 with an AMD A10 APU. Catalyst display dashboard and the works are installed. As the system boots up, it acknowledges the external display ...
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247 views

xrandr --addmode doesn't add to the wanted output (DVI-I-0), instead adding to HDMI-0

The monitor I use is a Samsung SyncMaster S24B300, and no matter what the heck I do, Ubuntu refuses to use 1920x1080 at 60hz for the output I want, despite my monitor (which is unrecognized by the ...
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1answer
207 views

Sound problems in Ubuntu 14.04

I am having problems using my audio ports in Ubuntu 14.04. I didnt notice this before, because I use wireless speakers and they use a USB port. But today I tried to use my headphones and I heard ...
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1answer
43 views

Distorted sound unless PAVUCONTROL is open?

Seems as though there ought to be a simple solution to this: My sound comes through a jack in the back of a Samsung HDMI monitor. If pavucontrol (Pulse Audio Volume Control) is running (if the ...
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17 views

Ubuntu Touch HDMI out support on a Nexus 10 [duplicate]

Does Ubuntu Touch support HDMI out on a Nexus 10?
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46 views

Multi screen inactivity suspend

I am new at this so please bear with me, My question is: I have two screens on my pc one 22" monitor and one 26" HDTV now the monitor is connected via a VGA port and the TV via a HDMI port both of ...
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171 views

Xubuntu 14.04 - HDMI Display no longer detected

I have a Sager NP8268, and install Xubuntu 14.04. I have been using an external Asus PB278Q monitor for 3 weeks or so via HDMI. Today, the monitor is no longer detected by xfce4-display-settings. ...
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62 views

HDMI Monitor: Cable not connected, but “visible” in the PC (Ubuntu 14.04)

I have a Monitor connected via HMDI to my laptop. Then I connected it with a TV via HDMI to watch a Movie. When I connected it back to the Monitor the Monitor shows only: Cable not connected The ...
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1answer
42 views

Audio issues, cutting out and random loud noises the more things it has to process

I'm stuggling with audio problems with Ubuntu on my desktop PC, when audio skips and paused and sometimes dies completely and produces loud static. If all I'm doing it watching youtube things are ...
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81 views

Volume Buttons Not Working Ubuntu 14.04

Every time I hit my hotkeys for sound(and I rechecked the system settings, they are properly assigned), I don't get any action from them. Matter of fact, even when I manually go to mute my audio ...
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27 views

HDMI output stopped working 12.04 Precise

Seen this question quite a bit, but not none answered my problem. Suddenly - one day - HDMI stops working. When I connect to my Philips monitor, I get "No video input" - and then it enters sleep ...
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86 views

HDMI is not working after installing AMD Catalyst Control Center

I am running Ubuntu precise (12.04), 3.5.0 kernel with a dual monitor setu-up on AMD 6970 HD Cayman video card. My HDMI video output was working fine until I installed a dual monitor set-up and ...
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1answer
68 views

HDMI port has stopped working on 12.04 LTS

I have been using 12.04 LTS with an HDMI monitor for quite some time now and everything has been working wonderfully. However, recently my HDMI port has stopped working, and I have been all over these ...
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1answer
177 views

Intel Graphics Control Panel alternative for Ubuntu?

Coming from a Windows 7 on a laptop with an integrated graphics card (Intel HD 3000 I think) as well as an Nvidia GT540M, I was accustomed to being able to change things like saturation and gamma of ...
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87 views

Where can I find vgaswitcheroo

I know its dupe and may seem dumb but Im a bit noob with linux. Basically my problem is that I can not locate the /sys/kernel/debug/vgaswitcheroo/switch folder. (And therefore can't use my HDMI ...
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67 views

TV as monitor overscans

My SHARP TV overscans. Every edge are out of the screen :-( I use Xubuntu 14.04. I have tried to solve the issue, but I wasn't able to do it. pc@roland:~$ xrandr -q Screen 0: minimum 320 x 200, ...
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2answers
50 views

What is HDMI audio?

I see "Juniper HDMI Audio" under my sound devices list. My question is, what is it and what does it do? Currently, adjusting the volume level does nothing. Google searches don't give a very clear ...
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371 views

HDMI video output not working for external monitor

I have installed from scratch ubuntu GNOME 14.04 with gnome-flashback on my old HP HDX 16 laptop (core 2 duo p8600 + nvidia GT9600M + 4GB of ram) and I have problems with the HDMI output (I use it to ...
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63 views

Set global / persistent display resolution

I am trying to set resolution to 1024x768@60hz from boot -> login menu -> default desktop settings for user accounts. My system is connected via HDMI to the display, video card details (from lspci): ...
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1answer
163 views

Connecting Ubuntu 13.10 box to a VIZIO E601i-A3 TV

First, a briefe background on myself. I'm in IT. I've done both hardware and software tech support so I'm not an idiot when it comes to technology. However, I am totally new to linux boxes and hooking ...
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3answers
121 views

Commands to run when Connecting HDMI

Everytime I connect my pc to my tv using my HDMI cable (to watch my movies), I have to manually go to: 1- Monitors, to select "mirror" screen to HDMI 2- Sound, to select the HDMI as default sound ...
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32 views

Bluetooth Audio and SoftPhone Audio Input/Output

I have a Voip Softphone software that I would like to start using on my Ubuntu 14.04 box. Here's the thing. My system sound right now goes through my HDMI to my speaker system so I can play music ...
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1answer
38 views

Wrong display diagonal size

Absolutely new to Ubuntu and Linux in general, but the side menu and top menu do not appear on the screen. I have tried finding a way to fixcitcwith xrandr, but no luck so far. The displays menu shows ...
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178 views

Sound is not working in ubuntu 14.04 via headphones

I tried everything that I could to get it back, since I am very new to linux I couldn't help myself. When I am trying to connect external microphone it seems that system detects it but connecting ...
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0answers
76 views

external laptop monitor stays black after screensaver powers it off

I have a Dell XPS 14 with two HDMI outputs and two external monitors. I'm running 12.04, fully updated as of 2014-05-26. Here's what xrandr -q reports: xps% xrandr -q Screen 0: minimum 320 x 200, ...
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3answers
434 views

HDMI is not displayed in the “Sound” settings on Ubuntu 14.04 LTS

I need some assistance, I have 2 laptops, a Toshiba and a DELL XPS M1330, the problem is using my DELL laptop, when I use the HDMI cable to use the TV as monitor the display works fine however the ...
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0answers
14 views

Automatically set volume to 100% on HDMI plug in

I have recently used the script from this post to switch automatically between laptop speakers and HDMI audio output: http://askubuntu.com/a/395746/284902 . It works perfect, however, does anyone know ...
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0answers
302 views

Nvidia HDMI sound and Logitech Headphones not working in 14.04

There is no sound going from the HDMI port on my Nvidia card to my tv that I am using as a monitor. When I use my Logitech Headphones, I hear no sound either. Does anyone know how to rectify the ...
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0answers
64 views

Dual External Monitor Bumblebee/Nvidia (or withoout Bumblebee)

I have installed and configured Bumblebee on my Dell XPS 17 with an Nvidia GT555m. I would like to use my two external monitors with the laptop closed, but it's giving me all sorts of difficulty. Is ...
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0answers
126 views

Asus pa279q 2560x1440 resolution nvidia hdmi

This thread is covered in many posts here, but in the end none of them were useful to solve my issue. As the title says i d like to reach the full resolution on my 27inch monitor using an nvidia ...
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1answer
143 views

Purple line on left side of screen when I use graphics card's hdmi port

My graphics card is a nVidia GeForce GTX 660 2GB. When I plug HDMI into mobo it works fine. When I plug it into the graphics card (with 2nd monitor too) it shows a purple vertical line on the left ...
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72 views

HDMI output problem, some of the top and left space of screen has been eat off

My environment list below Machine: gigabyte brix pro GB-BXi7-4770R OS: Ubuntu 14.04 x86_64 (upgrade from a brand new Ubuntu 12.04) Display: a Chinese made TV screen with the supporting of ...
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153 views

Can't set HDMI audio as default device

I've got a new laptop with an Nvidia GT750M graphics chip, and can't seem to get HDMI audio output working. An option for 'HDMI/DisplayPort' audio output is in my sound menu, but no test sounds will ...
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1answer
563 views

lubuntu 14.04 hdmi no sound on tv

I plugged in the hdmi-emphasized text cable from my TV and plugged it in my desktop and when I restarted the computer it has clear picture but no sound at all. I have looked for the solution but ...
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223 views

High pitched sound by HDMI on Kubuntu 14.04

This is the result of ALSA Information Script. http://paste.debian.net/plainh/4cc082fc I have the same issue as seen in the following thread: http://ubuntuforums.org/showthread.php?t=2185474 Does ...
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1answer
586 views

Ubuntu 14.04 & Lenovo Yoga 2 pro screen resolution

I've recently installed 14.04 on my yoga and it is running great so far! Since this laptop has a 3200x1800 resolution and a lot of apps i use do not scale well i am using 1920x1080 resolution with 1x ...
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0answers
96 views

14.04 Display issues / Error upon first login / Wont suspend / etc

I've got a new laptop, an Asus ZenBook UX301, comes with a nVidia GeForce 730m video card. It came installed with Windows 8 which I loathe so much, and really want to get ubuntu to work. There a few ...
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93 views

Can't get sound out of speakers and computer

I have ubuntu 14.04 LTS, it was udated from 12.04 LTS on saturday. I use two monitors, my computer monitor and my TV using HDMI 3. I used to be able to have my computer on without the tv monitor on ...
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386 views

HDMI / DisplayPort audio at wrong bitrate (audio too high and fast

I am trying to play audio from an Ubuntu 14.04 Dell Precision M3800 through a Dell U2414H monitor; the monitor has HDMI and DisplayPort connectivity and has an audio out feature; it can supply ...
4
votes
3answers
602 views

Switching to HDMI Audio when HDMI is plugged into a laptop (14.04)

I'm trying to get my laptop to switch the audio to HDMI when it's plugged in, and back to standard analog when it's removed. I set up a udev rule to trigger a script to perform the switching, however ...
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vote
1answer
353 views

Sound settings not work on 14.04 but I have sound

Fresh 14.04 install. Everything was fine in 13.10. lspci -v | grep -A7 -i "audio" 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02) Subsystem: Gigabyte ...
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votes
1answer
4k views

HDMI audio to Samsung TV not working Ubuntu 14.04

I have seen many people have had problems with this topic and have tried pretty much every solution I can find (google is an ubuntu users friend) but still have not been able to get audio working ...
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0answers
240 views

Can't connect laptop to tv via hdmi

My laptop has Intel graphics. I get "Not Support" when I plug it into the tv. It worked on 12.10 but not 13.10 or 14.04
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votes
1answer
42 views

Window positioning problem

I have watch a movie on TV via HDMI. Now I disonnected from TV, but VLC still loads as second screen available (but it doesn't). I checked monitor settings, shows only default monitor (1) with default ...
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0answers
464 views

ATI HDMI sound output under Ubuntu 14.04

I tried the following steps to get my HDMI sound output working under 14.04: GRUB_CMDLINE_LINUX="radeon.audio=1" in /etc/default/grub sudo update-grub Go to ALSA daily build snapshots Select ...
2
votes
0answers
214 views

Ubuntu 13.10 cannot recognizes HDMI

I've a DELL XPS 15 with NVidia Optimus tech, and after Ubuntu upgrade it can't recognize my HDMI/DisplayPort anymore. After connect my HDMI it just doesn't appear in my Display application. I know ...
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0answers
16 views

HD 5450 display snow when connected to the Pioneer receiver

I have a gigabyte ITX board with onboard video through Intel's HD 4600. I was able to make it work correctly but I was not getting any sound throught HDMI with it. So I tried with two different PCI-E ...
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0answers
56 views

HMDI sound output not detected if VGA monitor connected at boot

The option to output my sound through HDMI TV (as seen below) does not appear if I boot my machine (an ASUS laptop running Ubuntu 14.04 with open-source drivers) while my VGA monitor is connected as ...
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1answer
91 views

Gnome Desktop Flickers on One Monitor

Recently, I've run into a strange problem with Ubuntu Gnome. I installed 14.04 last Saturday and everything was fine. However, I woke up one morning to find my Asus HDMI monitor saying "VGA No ...
2
votes
3answers
4k views

HDMI connection to external monitor causes laptop screen blackout in 14.04, nvidia graphics

I have had some serious issues with my external monitor and graphics display since installing Ubuntu 14.04, and no one else seems to have had the exact same problem so I figured it best to post here. ...