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

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Screen problems - Ubuntu 14.04, Radeon HD 4850, Gallium drivers and 50 inch TV

I have installed Ubuntu 14.04, Radeon HD 4850, using Gallium drivers and a 50" Panasonic TV for display attached to graphic cards HDMI output, but I can not get the desktop 100% inside the display ...
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532 views

Can't select 2560x1440 resolution even though I know it's possible (I have proof!)

I have a new monitor, (the Dell U2515H) which I'm trying to drive at 2560x1440 resolution (just 30hz) over HDMI using only the onboard graphics on my machine (Intel HD4000 found in the ivy bridge ...
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1answer
170 views

No sound when Ubuntu start up

I already set up sound output to HDMI, but when Ubuntu starts up no "drum beats" (startup sound)... It have sound output normally elsewhere, but no startup sound... I tried connect headphones to the ...
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45 views

Ubuntu 14.04.1 amd64 on HP PAV 500 with HDMI installation problem [duplicate]

I have 14.04 as in title and I am trying to install this OS on HP as in title. What I can do is: Start booting, Choose install than after few minutes the dialogue on monitor disappears, Choose try ...
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votes
1answer
857 views

Ubuntu thinks HDMI audio is unplugged

I am running Xubuntu 14.10 on a brand new machine. Fresh install and everything. I have a GeForce 610 video card with an HDMI out, and the PC is hooked up to a TV. The video transmits fine - but ...
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61 views

Xrandr: Serial number of failed request: 39

I am currently attempting to connect my NEC brand TV to my Ubuntu 14.04 laptop via HDMI, however am of course getting overscanned. My TV does not have an option to disable this, so of course I tried ...
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156 views

Ubuntu 12.04 Thinkpad 430 Mini Displayport Weird Effects

I'm running 12.04 on my Thinkpad 430, and I'm connecting that to a Samsung 32 inch 720p TV through a Mini Displayport to HDMI cable. I've had no trouble with this cable when connecting from Windows ...
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334 views

No audio in Firefox, Chrome, Spotify, etc. on Ubuntu 14.04

I recently installed Ubuntu 14.04 LTS 64-bit and I'm having some issues with my audio. I have an Intel H61 Express chipset and I'm using the HDMI out to my home theatre system. When I select the ...
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1answer
91 views

HDMI TV turns on shortly, then goes black, turns on shortly, goes black and so on

My new TV device is here with only HDMI inputs. But when connecting my Mythbuntu 12.04 box, the screen turns on for a second only. Then it is black for a while, then it displays "no signal" and after ...
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309 views

xrandr lists audio (over HDMI) but aplay doesn't

I'm on 14.04 and trying to get sound over displayport -> HDMI -> TV on my Dell Optiplex 780 with Intel GMA4500 graphics. The issue is not (yet) displayport -> HDMI which seems to be adapter dependent ...
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1answer
202 views

ATI HD5450 not playing sound over HDMI om Ubuntu 12.04.5

I have been battling with a major problem with my ATI card and getting sound to come out of the HDMI port to my TV. The card is a HD5450 by MSI and im using it in a HP Proliant Microserver. I ...
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1answer
78 views

Ubuntu conected at VGA port adds a red tint to HDMI ports

I connected one of my computers with an Intel onboard video card to my LCD TV via VGA port, since it is the only video output that the computer has. After installing Ubuntu when I got back to the HDMI ...
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76 views

Problems with Ubuntu 14.10 -> Onkyo TX NR616 -> Samsung UE55

I have problems getting sound/picture from Ubuntu PC's through HDMI to my Onkyo. Devices connected with HDMI: PS4 - working fine Windows 8.1 laptop - working fine. Devices NOT working with HDMI ...
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2answers
404 views

HDMI sound working in Ubuntu 14.10 live USB, stops working after install

Configuration: AMD Kabini A4-5350 TV hooked up to onboard HDMI In the live disk version of Ubuntu 14.10 x64 HDMI sound output tests as working, and appears as the primary volume in the top right if I ...
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147 views

Lenovo e540 not producing hdmi audio to Samsung flatscreen

I have a Lenovo E540 Thinkpad that I bought because it was certified on the Ubuntu website with the intention of installing some form of Linux as the operation system. I started with Ubuntu 14.04. It ...
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1answer
863 views

(Ubuntu 14.10) 3 Monitors on laptop with Intel HD Graphics 4000

I have an HP Touchsmart laptop that has a 3rd-gen Intel Core i3-3120M with integrated Intel HD Graphics 4000. I'd like to be able to use my internal display, an HDMI display, and a VGA display (I have ...
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1answer
435 views

No sound using DVI to HDMI adapter

The sound is working when I switch to RGB but it's not working when I switch to HDMI (DVI-HDMI). Why is there no sound when using DVI to HDMI adapter? How can I fix it? **** List of PLAYBACK ...
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1answer
342 views

Nvidia Problem connection HDMI (Not detecting LG TV)

I'm trying to connect LG-47LB650V to HP Pavilion-dv6-2190US that has GeForce GT 230M Via HDMI on Ubuntu 14.04LTS. http://i.imgur.com/coAYh5l.png $ xrandr --verbose xrandr: Failed to get size of ...
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23 views

hdmi audio pops 10 seconds after pressing stop on any application

I am using an ATI 4350 graphics card with HDMI cable connected to a TV. When I stop playback on any application, for example VLC, Banshee, a Firefox youtube video, 10 seconds later there is a popping ...
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242 views

Dual Display not working on 14.04

I've just installed Lubuntu 14.04 on a AMD Server. I have two 24" HP monitors, one of which is connected to HDMI and the other on DVI-D. The issue I have is that the display on the HDMI-port is used ...
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1answer
68 views

External monitor is detected 10% of the time

About a month ago, the detection of my external monitor has been very unreliable. If I keep plugging/unplugging the HDMI cable, it will be detected but I sometime have to plug/unplug 30 times! My ...
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102 views

Problem with video output scaling / desktop rendering

There is a problem with rendering my desktop and I don’t know the cause much less how to fix it… First, Ubuntu was connected to three monitors. One of the monitors was a TV. Here the problem occurred ...
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votes
1answer
354 views

How can I simultaneously play Spotify audio through my headphone-out while VLC plays audio through HDMI?

How can I setup Ubuntu such that it can play VLC audio through HDMI connected to a TV, but at the same time, it can also play music from Spotify via the headphones? I'm running 14.04
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82 views

AMD A6-3420m APU HDMI is only able to output in stereo

I am running Ubuntu 14.0.4 LTS and have tried the drivers provided in software update and the newest from amd but none give me anything but stereo output in the pulseaudio volume control. I am looking ...
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115 views

HDMI cable not recognized

I am running ubuntu 14.04 lts, I can connect my laptop to my television with a vga cable without issue, running xrandr gives these results: Screen 0: minimum 320 x 200, current 1366 x 768, maximum ...
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1answer
136 views

Latest Solution for Aspire D270

I was just given an Acer Aspire D270 (Atom N2600 and 1GB of RAM) netbook with a broken screen and would like to turn it into a streaming (and occasional USB thumb drive) video player for my projector ...
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1answer
187 views

Use LG 24" LED TV as Primary monitor

I have a tv that has HDMI input, and a computer with VGA output. (Computer is a Dell Optiplex 360) I have scoured every related question to this forum and have not been successful in my attempt to ...
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76 views

UbuntuGnome: HDMI Audio sent to laptop speakers when lid closed

I configured Gnome such that nothing happens when I close the lid while the laptop is plugged in to AC. Now, I want to be able to close the lid after I attach a secondary display through HDMI. ...
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0answers
161 views

Ubuntu 14.04 Dual monitor lock screen not blanking both screens properly

I recently upgraded from 12.04LTS 64-bit to 14.04LTS 64-bit. My system is a desktop using the NVIDIA GeForce 210 card connected to two identical Samsung SMS23A350H monitors via HDMI cables. I'm ...
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408 views

External Monitor: VGA and HDMI Behaving Differently

I'm trying to set up a second monitor. I want the primary screen to be my laptop's built-in display and I want the secondary screen to be the external monitor. I'm running Ubuntu 14.04 with GNOME ...
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170 views

Resize desktop to fit HDTV output

I'm new to Linux and trying to learn to love it. At the moment, I'm using a mid-spec laptop that I connect to a 37" HDTV via an HDMI cable. This setup suits me really well and works (almost) ...
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334 views

How to properly connect second Monitor via HDMI?

I have a Samsung Series 9 900X4D Notebook with an Intel Core i5 3317U CPU ( Intel HD Graphics 4000 ). The main displays resolution is 1600x900. I would like to use a second display with my microHDMI ...
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330 views

Sound Problems Ubuntu 14.10

I just installed Ubuntu 14.10 and I have sound problems. Currently I have installed both Windows and Ubuntu. Sound is played form a tv combo monitor. Video stream goes from the pc to the monitor with ...
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0answers
84 views

Resolution/Compression issues while using HDMI, fine with VGA

This is a rather hard issue to explain, I've not found a solution for it anywhere; I'm using a fresh-built PC, AMD A-series GPU, 4gb 1333mhz Kingston RAM, with an ASUS F2A85-M PRO mobo, and as a ...
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0answers
100 views

xrandr crashes X

I want to use an old ASUS EeePC Netbook as an XBMC machine for an old Samsung 40° LCD. I connected it via VGA due to lack of options. I have to use Ubuntu2d in 12.04 LTS. Unfortunately, overscan is ...
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0answers
91 views

Sound not staying on HDMI, fresh install

I just downloaded and installed 14.04 to replace a xubuntu 14.10 that has been crashing on every reboot. Now, with nothing else installed...My sound is through the HDMI port, which I have selected and ...
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2answers
258 views

How do I fix Ubuntu 14.04 LTS?

I was uploading an update a few weeks ago and and it required a reboot. When it rebooted the system crashed. and all I got was a blank screen. After playing with it several times I was able to figure ...
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2answers
888 views

Ubuntu 14.04 booting, behaves like a spoiled child

I've unsuccessfully tried to boot again in Ubuntu after 1 week of not using it. It clearly punishes me for that. Joke aside, please know that i'm using "vanilla" Ubuntu. I didn't tinker with it. All ...
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0answers
125 views

Disconnecting hdmi monitor hangs X session - 14.04/i915

I have a media server which I upgraded from 12.04 to 14.04, with XFCE. It's a server, so there normally isn't an active session on it, and the monitor is shared with several other media sources. ...
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2answers
332 views

Sound stopped working on hdmi on 14.04

I have a Dell inspiron 15 3542 and i could never get HDMI working properly and a few days ago I finally got it working after installing intel drivers. All was working fine until today my tv wouldn't ...
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2answers
2k views

Second Monitor does not detect on Ubuntu 14.04.1 LTS but detects on Windows 8.1 [duplicate]

I just installed Ubuntu 14.04.01 LTS on my secondary partition on my Solid State Drive. I noticed that when I went into System Settings --> Displays --> Detect Displays, my system is not detecting the ...
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votes
0answers
193 views

Behavior when connecting a laptop to an HDMI screen

I have a three year old Dell Vostro 3750 (Nvidia Optimus) which I am fairly happy with. Since I will use the computer much more in the future, I would like to use it with an external monitor. I have ...
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0answers
287 views

No analog sound only HDMI 14.10

Xubuntu 14.10 (64), Slimbook NC11- Intel N2807 (Bay Trail?) , Uefi 32! Aptio Everything seems to work ok, but a sound... no analog option, only HDMI in Pavucontrol or alsamixer card detected, codec ...
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107 views

Ubuntu 14.04 hybrid graphics ati dual display

I can mirror my displays but extending the desktop results in display overlap as well as flickering. The second monitor is a 32" Samsung TV connected via HDMI and I am using ATI proprietary drivers ...
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0answers
93 views

Acer Aspire 5253 crashes when connecting external display

I have recently installed ubuntu 14.04.1 LTS on my step-brother's acer aspire 5253 and when i connect this external display the screen becomes "glitchy" and the computer stops responding. When I ...
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1answer
158 views

Ubuntu detects external hdmi screen and TV says its connected but nothing appears on tv screen

I have a HP G60 and a Sony Bravia KDL-32EX525, its almost unbeliavable that my hdmi isnt working because all the devices detect it but it doesnt show on screen. Im using Ubuntu 14.04.1 LTS and im ...
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14 views

Script switch to Audio and HDMI when clicked

I have a pc with the HDMI cable always connected. I need a script to switch audio from HDMI to Analogic audio and viceversa. Can someone help me? :D Thanks
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2answers
1k views

HDMI Audio output not working on Ubuntu 14.04

When I plug in the HDMI,the video works fine, but the sound does not. I've poked around and I think that the HDMI audio may not be being detected. When I ran aplay -l: **** List of PLAYBACK ...
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1answer
386 views

Dual monitors - HDMI Monitor doesn't display top menu bar

I have an Ubuntu 14.04.1 desktop that I recently built and I'm having issues getting my HDMI monitor to display correctly. I also have a DVI monitor that I've been using that I haven't had any trouble ...
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197 views

Ubuntu 14.04 does not recognise second monitor on HDMI

I'm pretty new to Ubuntu and beginning to get the hang of things, so please consider this in your reply. I've scoured the internet, but was unable to fix this specific problem. Problem: My Dell XPS17 ...