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

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456 views

Thunderbolt Display on non Apple computer

I just got a System76 Galago UltraPro, and I'm trying to hook it up with my Thunderbolt Display A1407. I have tried by using both the Mini DisplayPort from the display to the computer, and a ...
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12 views

Sound via HDMI sometimes pitched too low

Sometimes it happens that sound that I play via HDMI is pitched too low. It sounds a bit like everything would be played back with half the tempo. I tried Youtube videos via Firefox and VLC for ...
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0answers
23 views

udevadm monitor --property does not detect HDMI event with nVidia-364

I am running Xubuntu 16.04 and I have a dual Intel/nVidia graphics card. Before the installation of the nVidia drivers, the following command: udevadm monitor --property would show / detect ...
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0answers
8 views

HDMI connection [on hold]

My LG tv has 2 HDMI connection HDMI (1)for cable and HDMI (2) for Roku. The cable picture become deemed but when I switch it to Roku it goes back to bright picture then I try to switch the connection ...
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0answers
10 views

Using dual monitor with STLab U-1200 usb 3-c to hdmi

I just migrated from Windows to Ubuntu. On windows, I was using dual 27" dell monitors, one connected through an HDMI and the second with a mini docking station usb 3-c to hdmi (stlab u-1200). On ...
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2answers
118 views

No hdmi audio after suspend

My problem is that when I wake up the computer after suspend I don't have audio with HDMI. Well, there is "audio" but it's like playing a song and hearing 1 second every 10 minutes and very distorted. ...
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6answers
21k views

HDMI connection to external monitor causes laptop screen blackout in 14.04, nvidia graphics

I have had some serious issues with my external monitor and graphics display since installing Ubuntu 14.04, and no one else seems to have had the exact same problem so I figured it best to post here. ...
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2answers
5k views

Using HDMI to my TV all works fine but XBMC wont open to the TV only to the laptop screen?

Everything else works fine. It loads fine but then the HDMI connection drops and it goes to the Laptop screen. I've looked through settings and can't find alternate display methods other than Display #...
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0answers
6 views

16.04 - HDMI sound output would not revert back to laptop out until reconnected to TV

Bit strange this one. Had been watching some stuff on my TV with both sound and output over HDMI. On disconnecting I wasn't able to get any sound back until I reconnected to the TV, switched sound ...
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0answers
36 views

no output from hdmi

a couple of weeks ago i bought a new laptop, an acer aspire v15 nitro black edition, which has a nvidia geforce gtx 960m, i have installed gnome ubuntu 16.04. I have troubles with the hdmi port, ...
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1answer
21 views

Sound (tray and audio) problem made worse

I had a "dummy output" problem and started messing with the terminal. After trying multiple users' solutions I decided to uninstall pulseaudio and use alsamixer instead. That didn't fix my issue, ...
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2answers
1k views

HDMI output sound

I have no sound going to my TV via the HDMI output. Running 14.04. I have pulse audio and when I plug it into the TV, I get full video but no sound. The sound bar is moving (in pulse audio) like it ...
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3answers
5k views

Ubuntu 14.04 Pulseaudio in HDMI sound crackling

I've recently change my PC OS from MS to Ubuntu. Ubuntu 14.04 can correctly find my HDMI audio but with terrible echo and crackling sound. I fix the echo issue by following the guide here: Sound ...
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0answers
12 views

Why is it that when I select 7. sound…everything is now in surround?

In my experience in the past when i used Kodi you set it up for 7.1, and stereo sources would be stereo, but with Ubuntu/Kodi now everything is 7.1. How do i get stereo when stereo is played instead ...
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2answers
7k views

Turn off laptop display and have monitor

My laptop display has stopped working and is unfixable! Anyway, I got a full HD monitor and plugged that into the HDMI port of the laptop. I have changed the power settings so that I can close the ...
3
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2answers
4k views

No HDMI sound on ubuntu 13.10

I have my computer connected to my Sony TV, the HDMI video output works fine but I cant get the audio to work. I can see the HDMI output option in the sound settings but nothing happens. When I plug ...
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0answers
9 views

surrounds on 7.1 setup with HDMI are wrong

I have a i3NUC that i just installed with the latest version of Ubuntu, and everything is fine except it maps all my surround channels to the right rear, and right side surround speakers. I know the ...
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0answers
34 views

16.04 no HDMI audio out option

I have read every other thread on this and I can't find a fix. I have an Asus Zenbook UX51V - built in Nvidia 650m graphics (where the HDMI comes from). I have selected the Nvidia drivers in the "...
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0answers
14 views

Blinking/Disappearing cursor in Ubuntu 15.04

I know there are a lot of similar problems, but none of them are applicable to my problem, that's why I opened a new question. I own a Lenovo Y50-70 with a Dual Screen setup; one screen is connected ...
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0answers
292 views

No second display over HDMI (16.04 LTS) hybrid graphics

I cannot seem to enable or use my HDMI port in Ubuntu 16.04 LTS. As I connect it with my TV, there's no signal on either ends. Detecting displays doesn't work. It probably has something to do with ...
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2answers
45 views

How TV can show ORIGINAL laptops screen using HDMI?

I connected my TV and laptop using HDMI cable. In the terminal I typed xrandr command. The Ubuntu Desktop GUI appeared on the TV screen. Based on my understanding, the screen shown on the TV is the ...
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2answers
5k views

No HDMI audio in 13.04

I have just upgraded from 12.10 to 13.04 and now everything works perfectly, except the fact that I have no audio via HDMI. I am using a Samsung tv-monitor connected via HDMI to my video card Asus ...
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1answer
6k views

Gnome: Video drivers on Dell XPS 9550 with 4K UHD screen

This laptop has an i7 processor and a discrete Nvidia GTX 960M card. I'm trying to run Gnome Shell. Has anyone got this working really well? And if so, how? My research/trials on Ubuntu Gnome 16.04, ...
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1answer
17 views

Ubuntu-Studio 14.04.3 LTS “Trusty Tahr” on an Acer Aspire V5 laptop and won't display anything through HDMI

jah@jah-Aspire-V5-571G:~$ xrandr Screen 0: minimum 8 x 8, current 1366 x 768, maximum 32767 x 32767 LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 345mm x 194mm 1366x768 ...
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2answers
1k views

Digital Surround (HDMI) Output

I recently built a HTPC and installed Ubuntu 12.10 on it. It's a Shuttle XH61V with an onboard HDMI connection that I'm using to connect to the TV, which in turn connects to the speaker system (5.1). ...
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0answers
49 views

HDMI1 is disconnected

I'm trying to get a secondary monitor working with my laptop. I'm running Ubuntu 16.04 LTS. I have Windows 10 installed on the same laptop and it works in Windows 10. Currently xrandr -q outputs: ...
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0answers
41 views

External display on usb-c doesn't work above 1024px resoultion

I bought Asus Zenbook Pro ux501vw and DELL DA200 device. I installed Ubuntu 16.04 LTS on my asus and connect external monitor via HDMI and it works good. When I tried to connect 2nd external Monitor ...
14
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8answers
10k 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 ...
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0answers
25 views

Belkin HDMI to VGA adapter not displaying / not detected

I purchased a Belkin HDMI to VGA adapter (also carries Audio). I'm running Ubuntu 16.04 (Gnome) on a 15" Macbook Pro Late 2013 Model (DMI: Apple Inc. MacBookPro11,3/Mac-2BD1B31983FE1663, BIOS MBP112....
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2answers
5k views

HDMI to TV keeps dimming in and out?

I connected my Asus ZenBook running Ubuntu 13 to my TV (Panasonic) via HDMI. My main problem is that when I'm watching a movie the screen keeps dimming in and out. It doesn't dim all the way out, just ...
2
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1answer
6k views

How do I disable dual screen after connect HDMI cable?

I plugged the HDMI connector and turned on the computer, but when the log in screen appears the laptop screen appears split in 2, one top and one bottom. The external monitor connected via HDMI works ...
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0answers
3 views

How to prevent loosing wifi connection when connecting external screen?

I'm using Ubuntu 14.04 on Lenovo E540. Today I have switched from cable connection to wifi and noticed strange behavior: wifi connection gets lost when I connect external screen using hdmi-dvi cable. ...
2
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0answers
66 views

no hdmi video after suspend on intel NUC6i7KYK

I have the latest Intel NUC, NUC6i7KYK (specs here), running close to stock Ubuntu 16.04. Its monitor is hooked up via HDMI. When it wakes up from suspend (S3), it never wakes up the display. The ...
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0answers
43 views

How do I get a USB 3.0 to HDMI Converter to work under Ubuntu 15.04? [closed]

As the title suggests I am trying to figure out how to get this converter thingy to work. I am new to Linux so my knowledge is quite restricted. I have been crawling this forum for a few hours now, ...
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2answers
232 views

16.04 switches from default audio device when not available, but doesn't switch back when the default becomes available

I have a laptop hooked up to a TV via HDMI. When the TV powers off, the audio output switches from HDMI to the built-in laptop speakers. This behaviour is new, as previous Ubuntu versions would always ...
1
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1answer
32 views

Display is on 42" TV on Kbuntu

I have installed Kbuntu 16.04 LTS On Intel® Desktop Board DH55TC With Intel® Core™ i3 CPU 540 @ 3.07GHz 500 GB SATA hard drive Connected to 42" LG TV with HDMI cable TP-Link 300 MB USB wireless LAN ...
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1answer
534 views

16.04 ALSA / Radeon R9 380 HDMI Audio

I recently upgraded from Ubuntu Studio 15.10 to 16.04, and audio output from my GPU's HDMI port no longer seems to work at all. Output from alsa-info.sh can be found here, which includes aplay -l ...
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0answers
59 views

Kubuntu 16.04 lock screen issue

I have installed Kbuntu 16.04 LTS On Intel® Desktop Board DH55TC With Intel® Core™ i3 CPU 540 @ 3.07GHz 500 GB SATA hard drive Connected to 42" LG TV with HDMI cable TP-Link 300 MB USB wireless LAN ...
0
votes
0answers
31 views

No audio after unlocking screen on Intel Graphics HD 520 (NUC6i3syk)

I just installed 16.04 on my NUC 6i3SYK. It has integrated Intel Graphics HD 520 with an HDMI output, which I've plugged into my TV. After locking the screen and letting the TV turn off, then ...
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0answers
41 views

How to make ALSA default to HDMI and use internal speakers if it's not available?

First of all, I have problems with pulseaudio, after some time it becomes very choppy and loads one core to 100%. From the fact that if I open systemsettings5 at this time the active sound output is ...
3
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0answers
44 views

No HDMI sound on Nvidia card on Ubuntu but no problem winth windows

Tested Mint 17,ubuntu 14LTS,kubuntu 16LTS,currently on ubuntu 16LTS. Nvidia driver installed. Checked alsamixer for muted device & unmuted them. pavucontrol shows all HDMI output unplugged. In ...
2
votes
1answer
4k views

HDMI not detected Ubuntu 12.10 - ATI Radeon HD 6670

Brand new to Linux, so help a young blood out :-) (I'm a novice/hobby programmer, but completely new to Linux command syntax, etc) Brand new everything Rig. Fresh install of Ubuntu 12.10. Ubuntu ...
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0answers
40 views

Sound will not default to s/pdif (DVI-to-HDMI) without unplugging headphone jack

I have recently installed Lubuntu 16.04 on my HTPC and it has an Asus M3A78-EM motherboard and a nVidia 9500 GT videocard. I have a 3.5mm audio cable running from the motherboard audio out to the TV, ...
1
vote
1answer
507 views

Getting 2560x1600 resolution from Apple 30" Cinema Display

tl,dr: How do I get the 2560x1600 @60fps resolution from my Apple 30" Cinema Display? Edited: Startech.com confirms the HDMI-to-DVI-D adaptor is dual channel. I don't have enough reputation to give ...
2
votes
1answer
5k views

Dual monitor connected to hdmi port not detecting on Dell Vostro 3750

I am using Dell Vostro 3750 laptop with 2 monitors. OS Kubuntu 13.04 1 monitor I connected with VGA and it is working fine. But another monitor connected to HDMI port is not detected. I connected ...
4
votes
1answer
166 views

Xubuntu 16.04 monitor display no signal after turned off

So I'm using my motherboard's (ASUS Z170-A) HDMI display to out put to my VIZIO 40" 4k TV. Every time I turn my TV off and turn it back on, regardless of time period I get "No Signal." I've done ...
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0answers
29 views

Problem with audio over HDMI

I am running Ubuntu 16.04 and I am having issues with audio over HDMI. At first most applications worked fine but Google Chrome didn't output any audio. This was annoying but I could always use ...
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0answers
66 views

Nvidia GT 710 overscan issue w/ Ubuntu 16.04

I bought an Nvidia GT 710 for a computer I'm essentially using as an HTPC, so I could have HDMI out and 1080 resolution. However, once this machine is hooked up via HDMI, I experience an over scan ...
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0answers
69 views

connecting external display renders both screen blank

after connecting an external display via HDMI to my laptop it worked fine, except that the display of the laptop was the primary , so if i wanted to play a game it would start on the laptops display . ...
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0answers
20 views

Kubuntu KDE crash on unplugged monitor

I got a medion laptop computer running on Kubuntu 16.04. I was working on an essay, so I plugged my TV in as secondary screen. Now I wanted to simply take the laptop to my bed to watch a movie and as ...