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

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What might cause xrandr to not detect my HDMI?

With Ubuntu 14.04 and my new System76 laptop. I shut down after being connected to a monitor at home. Came into work and connected to a monitor. The monitor was not detected in All Settings -> ...
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73 views

Setting pulseaudio's default device to analog out

I'm having problems with setting default audio out to analog output. basically i have two devices. Internal mobo sound card and graphics card with HDMI output, which have their own sound system. I ...
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166 views

Second screen not disconnecting (HDMI)

I have an HP Pavilion TouchSmart laptop running Ubuntu 14.04.1 I usually connect a second display via HDMI which worked fine until today. I can connect the display fine and everything ...
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171 views

Crackling sound on HDMI ATI HD7790 Ubuntu 14.04

I am new on Linux but I try to start use, however this if my first big problem. On my card I am not able to use HDMI for sound. I have crackling sound. This is info about my hardware: 1) By typing ...
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64 views

Mini DP -> HDMI no sound

I am a newby with Ubuntu (14.04). I have a Lenovo T440s and I try to connect it with my TV with a HDMI cable (Display Port Adapter to HDMI). I get video on TV but no sound. Also in the sound ...
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93 views

Ubuntu 14.04 external monitor always reconnect

I just updated my Ubuntu 13.04-x64 to the new one 14.04.-x64. The installer asked me if I wanted to keep home-path / programs/ configs. So I did. Now my external HDMI output seems to cause trouble. I ...
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47 views

Screen stops working after running the install-css.sh script to enable DVD support

I've done some research on this, but so far I've found little that seems relevant to my problem. The closest is at https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=711237, but the workaround that ...
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62 views

Screen Adjustment (height and weight)

I hate windows and i have been using Ubuntu for about 3 months. I only have one problem. When I connect to a TV and select only secondary screen (via super+p) it just doesn't fit properly. I mean i ...
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107 views

Pandaboard not showing on hdmi display

We formatted our SD card and are tying to boot up the pandaboard. We see the LEDs (status1 and status2) blinking, but nothing shows up on the hdmi display except a greyish screen. It seems as if it ...
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258 views

No HDMI video output from GeForce GT 330M - Ubuntu 14.04 LTS

I have a Dell Vostro with an Nvidia graphics card. Although the VGA output works fine, when I connect up a monitor on the HDMI output, Ubuntu (14.04 LTS) recognises it, but the screen is blank (no ...
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56 views

after disconnecting HDMI cable, the screen flashes

I have 12.10 Ubuntu installed on DELL XPS17 laptop. I have problem that after disconnecting HDMI cable, the screen flashes each time I press any key on the keyboard. I tried to do unity restart, but ...
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164 views

TV won't display proper resolution correctly

I have looked around on here for a solution to my problem, but I can find none. I'm currently using Ubuntu 14.04 LTS with all of the latest package updates on my laptop. I'm trying to connect the ...
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38 views

PulseAudio configuration: Option to have two output drivers

I recently installed Ubuntu in my computer, old 'n slow, and decided to install skype to talk with my friends and family. Unfortunately, I want to Skype give me options about what audio output should ...
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1answer
145 views

Ubuntu 14.04 - HDMI connection causes horizontal split

Running Ubuntu 14.04 on a Lenovo Edge 535 laptop. When I connect my HDMI cable in order to connect the laptop to the TV the screen splits horizontally and the OS becomes unresponsive. Screenshot: ...
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91 views

How to change default monitor

I have an Asus laptop with intergrated intel graphics and a nvidia GEFORCE GTX 760m. Im using the intergrated monitor aswell as a monitor hooked up with HDMI. They're both working fine i just can't ...
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1answer
111 views

Laptop Displays on External Monitor by Default

I was running Windows 98 through virtualbox (to play an old game that doesn't work on wine, not because I'm into that kind of thing) and had to play with the resolutions a bit to get it to run at ...
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2answers
2k views

HDMI with Nvidia propietary drivers on 14.04.1

I use Nvidia propietary drivers on 14.04.1, I want to use HDMI on a TV. I connect the cable, but I see another desktop and can't listen to audio, I would want to hear the pc audio and see the same as ...
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466 views

Very low mic volume on ubuntu 14.04 LTS

I have tried answers suggested in the earlier similar question and as I am just starting with Ubuntu after a long time , I hope some one will be able to help me There is very very low mic volume on ...
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14 views

Monitor identifier won't disappear after updgrade to Ubuntu Studio 14.04

I have my TV plugged into the HDMI port of my laptop, and have them both displaying the same thing. There's a tab at the bottom, in the middle (saying display: HDMI1 and the resolution). I'm not sure ...
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161 views

Ubuntu 14.04 Second Monitor Not Detected through DVI, but detected through VGA cable

I used to connect a 24" monitor to my laptop, equipped with GeForce410M, through HDMI cable. It sometimes had problems with detecting the monitor, but after a restart it managed to detect. Today the ...
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76 views

Can I use an additional HDMI monitor with Lubuntu 12.04?

I have a PC with Lubuntu 12.04 with an Intel GMA 4500 graphics card connected via HDMI to a TV. The TV is detected, but when I try to activate it from the management interface nothing happens. The TV ...
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197 views

Ubuntu 14.04 HDMI UDev Rule

I have tried multiple variations to this script but I cannot get it to work. The UDEV Rule fires the script and the script exectutes but simply does not change the audio profile. If I run the script ...
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94 views

HDMI TV doesn't receive signal while using a Nvidia 9600M GT

I'm attempting to have my TV be my sole display through HDMI. I have a HP DV7 with a Nvidia 9600M Gt GPU. After navigating to System Setting and Displays, I'm still unable to get a signal to my TV. ...
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3answers
1k views

HDMI Video on Ubuntu 14.04

I have a Dell 3750 Vostro laptop running Ubuntu 14.04 LTS with an NVIDIA GT 525M graphics card. I recently purchased an external monitor, which has both HDMI and VGA input. The VGA input works ...
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359 views

14.04 HDMI output channels

Mag Zotec with NVidia chipset. Mythbuntu 14.04LTS upgraded from 12.04LTS aplay -l **** List of PLAYBACK Hardware Devices **** card 0: NVidia [HDA NVidia], device 0: ALC888 Analog [ALC888 ...
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137 views

Audio output via HDMI sound like Chipmunk in Ubuntu 14.04

My audio output works just fine without HDMI plug in to my computer but when I plug HDMI and select audio output through my Samsung TV,the sound came out just like chipmunk style. Wherever I play ...
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108 views

TV screen not visisble after update Ubuntu

I am sorry to ask something that has been asked a lot in this forum. But I am having problems using my TV screens since I updates Ubuntu from 12.04 to 14.04. The problem is that Ubuntu is not ...
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1answer
66 views

Raspbery PI vid config for use in Ubuntu

This is another post in the numerous questions of "how to connect ubuntu to my TV". However, previous answers did not cover my scenario. SO, to start with, I do not have nVidia / descrete graphics ...
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132 views

trying to get built in analog sound working

Ubuntu 14.04 I am trying to get audio output from my built in line out set as default for all applications. I have an NVidia card that I use for video HDMI display to a monitor. My monitor does ...
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117 views

HDMI mirroring/HDMI-1 and no audio problem:

The audio comes from my laptop not from the TV. I am with idt high-definition audio. aplay -l: **** List of PLAYBACK Hardware Devices **** card 0: MID [HDA Intel MID], device 0: 92HD75B3X5 Analog ...
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138 views

Ku 14.10 no display to projector benq 1070

Trying to do: plug HDMI from projector to laptop running Kubuntu 14.10. Play video through HDMI running VLC player. What doesn't work: No display or info going to projector from laptop. blank screen ...
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488 views

How stop graphics from being slow despite latest NVIDIA drivers?

Time for yet another graphics card Q. Sorry in advance, but I have tried what I take to be the 'normal' way already (see below), so here it goes: I have an Intel Atom D525 1.8GHz with a discrete ...
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81 views

Ubuntu 14.04.1 (AMD64 ver) and RCA 42" TV

I'm not new to computers and have attempted Linux before ( many years ago) but am now trying to hook up a computer to my TV (for XBMC / Kodi use) via HDMI cable. I have installed 14.04.1, but it ...
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167 views

14.04 - Laptop screen goes blank when lid shut

I'll be totally honest, I have googled this question...I have read responses...but I'm still pretty confused...anyway... So, anyway, I want to hook up my laptop with HDMI to my TV...that part works ...
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1answer
106 views

Audio device changes on reboot

I'm using Ubuntu with Rise Vision for digital signage at our company. Its hooked up to a HDMI display with audio coming through the display. Its been working great until the end of summer after ...
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39 views

Impossible to get image back after hdmi connection

I have a Lenovo U430 with Intel family graphics (i think 4400) and a Nvidia card. I connected my 42" tv on the hdmi when the system was starting and the screen on the laptop became grey and the mouse ...
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2answers
2k views

Laptop-TV sync problems in ubuntu 14.04

I am using Dell Inspiron N4010 Laptop. Recently I have upgraded from Ubuntu 12.04 to Ubuntu 14.04. When I connect my laptop to my Sony Bravia Television through HDMI cable I can see my desktop ...
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1answer
77 views

Change startup resolution Unbutu server [duplicate]

I'm totally new at Unbutu/Lynux. I've installed the server on an old pentium 4 with 1gb of ram. The problem is that the monitor (Samasung LED 3d TV through HDMI) gives the message this resolution ...
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101 views

Macbook Pro7,1 Ubuntu 14.04 external monitor

I have a macbook pro7,1 and I have just installed ubuntu 14.04. I try to connect it to an external Asus monitor, using a mini-display(thunderbolt) to HDMI wire. I get an error message saying: ...
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72 views

laptop sees two connections when HD TV is plugged, but no image

With Apple Macbook Air 1,1 (Early 2008) and Ubuntu 12.04 with kernel Linux 3.2.0-68-generic-pae, when I connect it to an HD TV via the micro-DVI to DVI (Apple adapter) --> DVI to HDMI (I tried two ...
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1answer
587 views

Gnome 14.04 64-bit: HDMI Resolution 1920x1080 but displayed as 640x480

I just did a fresh install of ubuntu gnome 14.04 64 bit. During the installation I had my 22" screen attached to it and the image looked good and no problems at all. Problem I connected my tv with ...
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1answer
457 views

Configuring multiple monitors to use Custom EDIDs

A few months ago, I purchased a Korean 1440p monitor - the X-Star DP2710 LED. Out of the box, it does not work correctly with Ubuntu, which detects a corrupted EDID over the DVI cable, and refuses to ...
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1answer
717 views

ubuntu Server asus chromebox won't boot unless I have a hdmi display plugged in

So I installed Ubuntu Server on my Asus Chromebox, all works great except I have a strange issue. Ubuntu won't boot unless I have a hdmi display plugged in I've tested this over and over. If I plug ...
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1answer
1k views

Ubuntu 14.04 Dell XPS15 HDMI Not Detected

After some actualization my HDMI died. Can someone help me ? Ubuntu 14.04 LTS Dell XPS15 l502x Graphic Driver X.org X server - Noveau -- On system config / displays .::. only appears the ...
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Nvidia X Server Settings only shows 1 screen (laptop + external monitor connected)

I have recently installed a new copy of Ubuntu 14.04 on my Dell M3800 which has Nvidia Quadro K1100M graphics card. Later I also connected my external monitor via HDMI (HDMI to DVI connector). Then ...
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36 views

Xubuntu dual monitor broke display

After I used Settings > Display to enable my second monitor, my first display is not working anymore either. So I enabled both, then clicked save configuration since it was working and boom it ...
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0answers
260 views

Ubuntu 14.04 64-bit: Resolution reset after reboot / HDMI display wrong colors

Situation I have attached my pc, which has a nvidia geforce GT-610 graphics card, to my samsung led tv with an hdmi cable. I have ubuntu 14.04 installed. Problem The image doesn't seem to be ...
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1answer
106 views

HDMI Output Not Working Properly

Excuse my bad photographs but hopefully they help to illustrate the problems I'm having. The colour is messed up and does not look as it should. In addition to this I also do not have any audio ...
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209 views

High pitch sound from tv conected to hdmi

Audio does work but there is a high pitched sound coming from the tv when it is connected and selected as sound output via hdmi in ubuntu 14.04. I have not tinkered with any drivers or sound configs. ...
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3answers
208 views

HDMI sound out only sends left speaker

I have my 14.04 machine hooked up to my Sony Bravia TV via HDMI. When I tests the left and right speaker I only get a sound when I click on the left speaker. My TV has stereo output to my amp so sound ...