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

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Lenovo Y580 4k monitor

I have a Lenovo Y580 which has an Intel HD 4000 and a Nvidia GeForce GTX660M graphic card. This laptop has a HDMI, but it's connected to the Intel Graphic, and after lots of search I found that ...
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43 views

Audio problems on X1 Carbon, only Mono Audio

Thank you in advance for assistance with this. This issue is driving me a bit nuts, in looking for a resolution. I have Ubuntu 15.10 installed on the X1 Gen2. Latest updates applied. DKMS driver ...
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1answer
100 views

How to fix the physical size of a display in xrandr?

In a nutshell, my problem is that my TV is overscanning and I have nothing like a "Screen Fit" option in the TV. The TV is a Samsung model LN32R71B that I believe is providing a corrupted EDID file, ...
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1answer
114 views

No HDMI sound in Ubuntu 14.04

I'm connected to a 40inch tv using HDMI and a green cable going from my computer to my Tvs auto port thing. This works on windows 10 windows 8 and windows 7. I switched back to Ubuntu 2 days ago ...
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87 views

Problems with Dell 13 7000 external scrceen on Ubuntu 14.04 LTS

I am trying to get my Dell 13 7000 working with an external screen on Ubuntu 14.04, and I'm having no luck. In order to get WIFI working I've installed the following kernel: 4.2.3-040203-generic ...
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1answer
410 views

Forcing grub menu to external monitor connected to laptop via HDMI/VGA

Is there any way to force grub menu to show it's content in external monitor (for selecting the os to boot on win or ubuntu), I use my laptop more like a desktop with a monitor connected to it because ...
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0answers
21 views

How can I reverse screen image in UBUNTU14.04 used on NVIDIA Jestson TK1?

I want to use the LCD monitor (multi-touch), connected via HDMI on NVIDIA Jetson TK1, in two positions: a) first: the monitor in horizontal position (on the table for calligraphic handwriting); b) ...
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39 views

HDMI not reinitializing after disconnecting in 14.04LTS

When receiver switches HDMI inputs from the Ubuntu 14.04 LTS system to something else and back the HDMI output goes blank/off and won't reinitialize. The only way to get video back is to reboot the ...
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51 views

Cannot restore HDMI input after switching sources HDMI switch

I have a 5 port Kinivo HDMI switch that connects several devices. One of the devices is an HTPC running Kodibuntu (Ubuntu 14.04 at the core). When I start it up with the switch selected on its port, ...
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85 views

A Magewell USB Capture HDMI alternative, just for screenshots?

I am the owner of a website that posts how-to guides on technology. I am looking for an HDMI Capture USB Dongle, so I can take screenshots from other devices, such as the Raspberry Pi, or for ...
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68 views

Unable to detect connected display

I have connected a Samsung monitor using a VGA to HDMI converter to my Dell Laptop (has only HDMI). How ever I am unable to see any new screens on Settings > Display. I have tried setting the monitor ...
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1answer
1k views

is there any Ubuntu 15.10 USB 3 or USB-C to HDMI adapter that works

Hi I bought the latest Dell XPS 13 2015 and installed Ubuntu 15.10 on it. The laptop has two USB 3 ports and one USB-C port (no thunderbolt port or anything) I'm looking for for an adapter to HDMI ...
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20 views

How can I use logstalgia with ubuntu server, and two monitors?

I have an ubuntu 14.04 server with a VGA integrated graphics port, and an Nvidia graphics card with three outputs (hdmi mini, and 2x dvi). I just got this machine, and set up 14.04, and it has its ...
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0answers
69 views

How can I change the standard audio output device?

I use the pulseaudio-equalizer to improve my audio output. If I only use my laptop with its own loudspeakers I don't have any problems, the equalizer adjusts the sound and sends it to the ...
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0answers
84 views

Ubuntu 15.04 - HDMI setup

So I try hooking up my HDMI cord to my older Vizio LCD TV. I got video output, albeit with the desktop image being too big (and no motion from anything, mouse, programs.. just the desktop screen), but ...
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215 views

Kubuntu 15.10 - Manage Multiple Audio Outputs

I have been unsuccessful finding a solution to this, but if this is already answered somewhere I apologize for creating a duplicate post. I am currently using Kubuntu 15.10 and have been able to use ...
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1answer
118 views

How to change resolution to 2560x1080?

Just installed ubuntu and I'm using it with an ultrawide monitor, with HDMI but I can't set the resolution to that on the settings menu. What's another way to do it?
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102 views

Sound through HDMI is intermittent when playing MP4 or MKV video using VLC or Videos

I recently inherited a used Acer Aspire 6930g from a relative in the process of upgrading, and since it was almost worthless running Windows 7, I decided to put Ubuntu 14.04 LTS on it. Performance is ...
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81 views

Kubuntu HDMI Switch

So I have an HDMI switch. The thing is brilliant. Anyways. I have a computer with Kubuntu and when I switch to it on the switch it works great and dandy... but when I switch out it doesn't switch ...
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95 views

No audio using hdmi on 14.04 on N3050

No audio using hdmi on 14.04 on N3050 processor: Intel NUC5CPYH computer. The wifi was not working (Intel 3165), so I looked at AskUbuntu and found an answer (I forget the question number), which was ...
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0answers
116 views

Screen randomly disappear after connecting to projector

I have Dell Inspiron 15R (5537, Mid 2013) laptop with HDMI port and without VGA port. I use Ubuntu 15.04 with proprietriary graphics driver (fglrx). I use (cheap, passive) adapter to connect to ...
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2answers
142 views

14.04 cannot output sounds to hdmi audio device

My dell XPS 13 2015 with Ubuntu 14.04 is connected to an HDMI device via a displayPort -> HDMI adapter. The picture appears fine on the HDMI monitor but I cannot select it as my output audio device. ...
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105 views

Monitor detection 15.10

I have a Lenovo Z510 laptop running Ubuntu 15.10. It has a HDMI port that is connected to a HP 2311x 1920x1080 monitor. It is mirroring the monitor as shown in the attachment. It also does not appear ...
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88 views

Why BenQ monitor shows blank screen eventhough xrandr shows as connected?

System specs: Ubuntu 15.04, Dell Inspiron Graphic drivers: Intel Corporation 3rd Gen Core processor Graphics Controller NVIDIA Corporation GK107M [GeForce GT 640M] Monitor: BenQ EW2440 What I ...
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74 views

No 5.1 sound over HDMI on HD7750 Ubuntu 14.04

In PulseAudio in my HDMI audio card profile the only option available is Digital Stereo (HDMI) Output. My video card supports 5.1 sound, but I can't select it on the pulse audio settings. Then I've ...
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1answer
140 views

Permanent Blank Screen after lid close?

I am using Ubuntu on my Hp M6 Envy laptop. I closed my lid to move with my laptop and by the time (10 mins) i opened it the screen was totally blank not black , blank. I restarted many times with no ...
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1answer
63 views

Sound support Ubuntu 14.04 vs Lubuntu 14.04

I have Intel 1.6Ghz Atom so it's not powerful enough for Ubuntu 14.04 I wanted to use Lubuntu 14.04 but it's not giving me sound on my HDMI. It does work on headphone Card 0, Device 0. When in ...
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202 views

HDMI No Signal with Ubuntu 15.4

I've been tearing my hair out trying to get my dual screen configuration back and working. I've upgraded from Ubuntu 14.4 to 15.4 and noticed recently that on my monitor I get a 'No Signal' popup. ...
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170 views

Secondary screen rotation unavailable in Xubuntu

I have a laptop with Xubuntu 15.04. I want to use my old Samsung full-hd TV as a secondary portrait monitor. I connected it using HDMI and it works, but in Settings > Screen there's no option in the ...
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23 views

Can't keep 3 displays connected at the same time?

I'm using ubuntu 14.04. I have both DVI and HDMI input screens and they are both detected and working when paired with each other or with the native built-in display of my laptop. However, when I try ...
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1answer
217 views

Blank screen after TV turns off in Xubuntu 15.10

I have a Phillips TV hooked up to my computer via HDMI. The computer is running Xubuntu 15.10. If the TV turns off, when I turn it back on, the screen is blank - the computer is sending no signal. ...
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50 views

Video very buggy over HDMI for the first 20 seconds when running Plex Home Theater in Lubuntu 15.04

I'm running Lubuntu 15.04 on a Lenovo Q190. The graphics is listed as: "Intel® HD Graphics (integrated)". I am not using a proprietary driver (just the default xserver-xorg-video-intel package.) I ...
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0answers
25 views

Audio issue and no recording audio device defined

I have recently stumbled across a problem with my audio output. This seems to be a bit unusual, but I will try to explain anyway. Usually, when I watch a video and wish to lower or increase the sound ...
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0answers
201 views

Monitor connected via HDMI to displayport is detected but has no display

I connected 2 BenQ BL2405 monitor using VGA on one and one on an HDMI to Displayport cable to my HP DeskPro workstation running Ubuntu 12.04 LTS. The good thing is that the both monitors are detected ...
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82 views

Black screen on hdmi second screen and java (Radeon HD 8330 ubuntu 15.10)

when i open i.e. netbeans 8.0.2 with java 8, in full screen in my second screen in hdmi port, after a few seconds, only that screen become blink black, and after a 1 minute screen goes black. If i ...
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1answer
119 views

Can my chromebook connect to an external monitor with crouton?

I'm running Ubuntu 14.04 from a chromebook using crouton. Plugging in my external monitor with an hdmi cable and issuing $ xrandr returns Screen 0: minimum 320 x 200, current 1920 x 1080, maximum ...
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1answer
183 views

xrandr doesn't see HDMI

Ubuntu 15.10 Linux ag 4.2.0-16-generic #19-Ubuntu SMP Thu Oct 8 15:35:06 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux $ xrandr Screen 0: minimum 8 x 8, current 1366 x 768, maximum 32767 x 32767 eDP1 ...
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57 views

HDMI not working on Lenovo Yoga Pro 2 - Ubuntu 14.04

I used to have windows on it and HDMI was working I erased windows and installed Ubuntu 14.04 when I plug in my HDMI Adapter, the Displays settings and workspaces recognize the other display but the ...
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1answer
343 views

Change sound output from command line

I have written a script that changes my display output from DVI (my monitor) to HDMI (my TV) by using xrandr. In this script, I would also like to change my audio output from analog line out to HDMI. ...
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0answers
102 views

HDMI overscan on Mac Mini with Intel graphics

I have a Mac Mini running a thunderbolt -> hdmi converter, then running an hdmi cable to my TCL 55" HDTV; but I'm getting the not-so-uncommon overscan issue when using the Intel graphics driver. The ...
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1answer
498 views

screen black and blinking when HDMI is plugged

I own an ASUS KJ550X laptop, the GPU is an NVIDIA GEFORCE GTX 950M (together with the Intel integrated one) the processor is an Intel i7-4720HQ. I have installed Ubuntu 14.04 in dual boot with ...
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1answer
373 views

Kubuntu 15.04 no sound on HDMI (Intel NUC D54250WYK)

There are similar questions and good answers on this forum. Unfortunately none of them addresses my problem. I had perfectly well functioning sound system on the Kubuntu 14.10 on same hardware, but ...
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0answers
27 views

Ubuntu (included all derivative) resolution problem on TV

I know that the subject has been raised several times, but nothing worked for me! Last chance before changing to windows xp black edition for my HTPC (What would really be a disaster and very ...
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1answer
145 views

Picking a default sound card

I'm running Lubuntu on a Chromebook (Acer C720) and having issues with getting any sound. /etc/modprobe.d/alsa-base.conf seems to be the default configuration from Ubuntu and as I understand it, ...
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27 views

After projector gets restarted the picture has less colors

Running on an AMD A8 machine I use the fglrx driver in Xubuntu to fire Xorg on my rooms wall through a projector. After the projector gets shut off (to standby) and switched on again the picture ...
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68 views

HDMI+Acer Aspire 5536 running xUbuntu = nothing

I'm trying to hook up my old laptop to my TV using an HDMI cable but it just won't output anything on the TV or the Display part of Settings. I've tried rebooting it with the cable in and out, tried ...
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0answers
254 views

How to get 5.1 surround with Ubuntu + GTX 950 + Logitech Z906?

I am running Ubuntu 14.04 with a EVGA GeForce GTX 950 and the official drivers installed from nVidia (version 352.41 for Linux x64). I run one HDMI cable to this box which outputs video (via another ...
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1answer
226 views

Monitor connected through VGA to HDMI converter not always detected

I recently bought a new laptop which does not have VGA output. Since my second monitor has only a VGA input I bought a VGA/HDMI converter. Some important information about my laptop: Ubuntu 14.04.3 ...
5
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1answer
249 views

Lenovo dock HDMI audio external monitor

I got a Lenovo T440s and a docking station, where the docking station is connected to a monitor (specs) with internal speakers through HDMI. My problem is I cannot seem to be able to change the audio ...
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151 views

My HDMI tv can't use audio Ubuntu 14.04 LTS

I have an Asus Laptop which is connected to a HDMI tv. I use this tv to mirror my laptop screen but it won't use my audio settings. I looked around and I saw multiple answers but they often mentioned ...