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

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Mirror Display grayed out when HDMI is connected in Ubuntu 14.04

When I connect my HP-G71 Laptop to my LG TV via HDMI Ubuntu only recognizes the TV as a extended or duel monitor. I noticed the Mirror Display option is Gray-Out. I searched and with results and it ...
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29 views

No sound icon in top panel in Ubuntu 14.04

Yesterday I bought an HDMI cable to connect my laptop to the computer, I changed the sound interface to HDMI and everything worked, when I tried to watch a movie with VLC I had to change the sound ...
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1answer
247 views

Ubuntu 15.10 2nd hdmi monitor blacks out

I attach my Gigabyte P34Wv4-BW1T laptop to a 2nd monitor via HDMI. This monitor blacks out randomly. I think it's random, at least. I'm not sure if it's going into sleep mode or not. I went into my ...
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46 views

How to install unbuntu on a laptop with a broken screen

I currently own a ASUS Notebook that I want to install unbuntu on. It currently is running Windows 10. My main problem being that the notebook's screen is broken(,and I have no ability nor money to ...
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25 views

How to connect laptop Ubuntu 14.04 VGA1 to enable TV to work

I have followed guidance on getting laptop with Ubuntu 14.04LTS to connect to plasma TV using an HDMI cable. So far, the sound is working and I can see the Ubuntu desk top on the TV. However, none of ...
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41 views

External display problem from two laptops to two external monitor through HDMI switch

Bascially I want to connect each of my laptop (two in total) to my external monitors. One runs Ubuntu (for my general use) and the other runs Windows (for some engineering softwares that only run on ...
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107 views

Ubuntu 14.04 freezes after connecting HDMI

Just after connecting the HDMI cable, my screen freezes for about 20 seconds, after which it works normally. Doesn't happen when I plug out. The second monitor works fine, recognizes both mirrored and ...
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132 views

No DisplayPort/HDMI in sound setting (Dell XPS L502X, Nvidia), Unable to get audio from HDMI

I have connected my DELL XPS L502X to Yamaha Receiver. The setup works perfectly in Windows but in Ubuntu 15.10 / Mint 17.3, I am not getting Audio from HDMI (laptop speaker works fine). This problem ...
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122 views

Mini Displayport not carrying audio using an HDMI adapter on a Thinkpad X250

My new Lenovo Thinkpad X250 has a Mini-Displayport as a digital audio-video output: I use to connect it to a TV using a Lenovo HDMI adapter. Although, audio is not shared. With respect to other ...
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85 views

No audio on HDMI Alienware 15r2

I have audio coming from my internal speakers, and video coming from HDMI, but no audio out HDMI, nor out the 3.5mm jack. Here is the output of aplay -l: **** List of PLAYBACK Hardware Devices **** ...
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52 views

Change HDMI resolution on Nitrogen6x board with Ubuntu

I started working with an Freescale i.MX6Q rev1.2 at 792 MHz a few days ago. I got the Nitrogen6X board with 2GiB DRAM and I am using an Ubuntu image from https://boundarydevices.com/. So I connected ...
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1answer
232 views

Ubuntu 15.10 Can't change output source from HDMI to wireless Blutooth Headset

I have researched similar problems, and have not had any success. I've connected my Sony headsets over Blutooth. "HDMI" and "Headset" are both listed as outputs in the GUI sound settings. It seems ...
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74 views

How to reset HDMI audio settings?

I recently was reviewing my HDMI settings and thought it would be a good idea to change from HDMI to HDMI 5.1 (at the time also had the option to choose 7.1). After changing to HDMI 5.1, selecting ...
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51 views

Dual sound card, AMD/ATI HDMI not working

I am trying to get the sound on the TV working through HDMI. It used to work with no problems at all, until now. The PC didn't have any upgrades, so I don't know what might have caused it. I did ...
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89 views

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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44 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
102 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
115 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
438 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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22 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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53 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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86 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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21 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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70 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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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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218 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
121 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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104 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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82 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
121 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
148 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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91 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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75 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
64 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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204 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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0answers
174 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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0answers
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
218 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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0answers
51 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
202 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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83 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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129 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 ...