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

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No option for 5.1 Surround through HDMI even with successful speaker-test

I recently set up a new HTPC on Ubuntu 14.04 LTS and the only option for audio (that works) is HDMI / DisplayPort but there is no dropdown box for 5.1 surround sound. I did a lot of digging and after ...
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3answers
9k views

Lubuntu 14.04.1 — no audio from HDMI

I recently put together a new computer as an HTPC. I've tried a few different flavors of Linux on it before settling on Lubuntu. The only problem? I can't get any sound out from the system whatsoever. ...
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0answers
369 views

HDMI 4K not working with Intel HD

Under Ubuntu 14.04 the maximum resolution provided when my Samsung Series 7 Ultra is connected to a Sony UHD TV, is 1080p. I tried to add various mode lines with different refresh rates and updated to ...
2
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3answers
615 views

Xfce themes look ugly after HDMI cable is unplugged

I sometimes connect my laptop to an external monitor with an HDMI cable, and when I later unplug the cable, it causes a problem with the graphical theme in Xubuntu (14.04). The window panes, panel, ...
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1answer
435 views

When connect with HDMI the speed of video is faster then usual

My nb is ASUS K450J, when connect with HDMI the speed of video is faster then usual. How to fix it. aplay -l **** List of PLAYBACK Hardware Devices **** card 0: HDMI [HDA Intel HDMI], device 3: HDMI ...
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1answer
8k views

Ubuntu 14.04 stopped detecting my HDMI montor

One normal day I started up my Acer Aspire (NVIDIA GEFORCE 720m) running Ubuntu 14.04 and the HDMI screen had stopped working. This has worked fine for ages and there is no reason I can see that it ...
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1answer
120 views

Grub: preferred video interface at boottime

My HDTV is connected through HDMI. My desktop through DVI. At boottime grub displays the bootmenu ( where I can choose for Windows or Linux) only on the HDMI interface. Since my TV is off during most ...
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1answer
139 views

Does HDMI require X in order to display?

I'm working with a user on a different question and I am beginning to wonder if I might be barking up the wrong tree. The original question deals with setting a script to run XMBC when the HDMI cable ...
2
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0answers
304 views

How to: External Monitor (HDMI)

I'm on a Dell xps l502x 64 dual boot machine. It worked on both, but I had a accident: the screen cracked, so after that I tried to use an external HDMI display as primary display. Now it only works ...
2
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1answer
586 views

14.04 - Nvidia HDMI problems

I'm running Gnome-shell 3.10 on Ubuntu 14.04 When I connect the monitor to the HDMI port, video is displayed, but mouse movement, and opening windows, causes some weird clipping effect. Connecting the ...
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1answer
246 views

See if motherboard has HDMI with CEC

is it possible to see if the motherboard has CEC support through HDMI? Running Ubuntu 14.04 Server I have a Asrock Q1900DC-ITX
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1answer
376 views

Run process when HDMI port active CEC

I got my HTPC/Server connected to my Denon receiver. I was wondering if it's possible to get a signal from the receiver when the HDMI channel is active so I can run XBMC when I change the source ...
0
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2answers
242 views

Wha't kind of model I've to add in my alsa-base.conf file

I've several problem with my sound card as : No sound when the HDMI is plugged, External SubWofer and the laptop speaker didn't switch off when I plugged headphone. It's an ASUS N550LF with 14.04 ...
0
votes
1answer
271 views

configure Intel integrated graphics in thinkpad to drive external 4k display only, via HDMI, using xorg.conf

Using the interactive displays configuration tool from the Ubuntu desktop, I have successfully configured this Thinkpad X1 Carbon (2014) with its integrated Intel video to drive an external display at ...
0
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1answer
2k views

Can anybody explain me clearly that how to get ubuntu TV working..?

I have Samsung Smart TV 40 inch.. Smart HUB doesn't feel as good as Ubuntu TV, and I was wondering to install Ubuntu on my TV..But now I am not understanding the concept of Ubuntu TV clearly..I mean ...
0
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1answer
589 views

HDMI Audio output in FGLRX

Just made the transition to Ubuntu 14.04 LTS. I use my laptop as a gaming machine on the rare occasion and as a media streamer therefore I use it via HDMI on my TV. After the transition to Linux, i ...
0
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1answer
448 views

HDMI stops working with my new Acer aspire E3-112

I bourght a new Acer Aspire E3-112. I use external screens both at home and at work. After installing Ubuntu everyting worked. I used it at home and at work. The second day when I got home the ...
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1answer
6k views

Why is there no sound through HDMI in Lubuntu 14.04 on an Intel NUC DN2820FYKH?

I cannot get sound via HDMI from my NUC DN2820FYKH. tried this but settings are not accessible from the Lububnu menu: lubuntu 14.04 hdmi no sound on tv tried this but doesn't work: Intel NUC No ...
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0answers
105 views

Ubuntu showing problems in connecting two external monitor

I am working with Ubuntu 14.04 on Dell E7240. I have connected two external Dell monitors E2211Hb but they both are not working simultaneously. Yesterday both were working fine and after some time one ...
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1answer
504 views

GT 630 Nvidia card HDMI sound stops working on 14.04

Ok I've read all the other post similar to mine and is not the same case so I will present the one I have. My video card is a Nvidia 630GT configured with the .xorg drivers it was working properly ...
0
votes
1answer
466 views

Micro-HDMI to VGA adapter does not work with Ubuntu on Lenovo Yoga 2 Pro

I installed Ubuntu 14.10 on my new Lenovo Yoga 2 Pro (following the receipt from Ubuntu on Lenovo Yoga 2 Pro) and all works fine except the micro-HDMI to VGA adapter, to conect to external displays. ...
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172 views

HDMI Issue - Can't disconnect from TV/External Display

So here is the situation.. When I first came back to ubuntu (14.04) I experienced a fail at wake from suspention. My Hp Pavilion G4 would turn on as expected but screen would be off (not blank, ...
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1answer
4k views

How can I change audio output to HDMI from command line?

Backstory This thread suggests pacmd list-sinks and switching to a different sink with pacmd set-default-sink "SINKNAME", but my laptop only appears to have 1 sink, so that didn't help me. This ...
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0answers
131 views

Hybrid Graphics / HDMI Screen redraw Wierdness

I have searched extensively on this problem but have not encountered a work solution yet. Please can someone help? I have HP tm2 2050ea laptop. It has hybrid Intel / AMD graphics. It is caught ...
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1answer
295 views

Connected to 1080p TV, Scaling on laptop wrong

im using a Lenovo Thinkpad edge 13, Turion neo x2 L625 1.6ghz, 2gb 5300 ram. I wanted to try connecting it to my LG 42" lcd tv, everything worked good, mouse was sliding between screens and ...
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1answer
60 views

Will Ubuntu support my machine features? [closed]

I'm looking to download and install the latest version of Ubuntu to replace the current version of Windows I had pre-installed on my machine when bought it. I have some really neat features on the ...
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1answer
898 views

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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0answers
293 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 ...
2
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0answers
247 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 ...
2
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0answers
426 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 ...
0
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1answer
204 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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1answer
195 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) and had to play with the resolutions a bit to get it to run at 800x600 (or less) on a monitor through HDMI. ...
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2answers
10k 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 ...
2
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1answer
2k 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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0answers
302 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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0answers
332 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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3answers
3k 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 ...
0
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1answer
177 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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1answer
907 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 ...
2
votes
1answer
199 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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2answers
9k 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 ...
0
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1answer
274 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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0answers
136 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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0answers
90 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
793 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
1k 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 ...
0
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1answer
922 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 ...
0
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1answer
2k 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 ...
12
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6answers
8k views

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 ...
3
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0answers
463 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 ...