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

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Xubuntu - No video signal

I recently switched from Unity to Xfce on my HTPC with a clean install of Xubuntu. Now whenever I turn off my TV and let it sit for a while, when I turn the TV back on there is no video signal, even ...
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16 views

Screens turn black after plugging in external screen (vga and hdmi)

I have a dell xp13 with the latest Kubuntu. I used to work fine when I plugged in my external screen or a projector (I give presentations all the time). Now all of a sudden (I think I might have ...
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20 views

sound from speakers & headset at the same time

My build in audio plays sounds for both headset and speakers, the automute control does not do anything, even so is there. I have try changing the alsa and some other stuff like gnome-alsamixer.
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18 views

Secondary Screen & Mouse Click snafu

I think both my problems are related. When I connect my laptop (Dell Latitude E6410) to my TV, after some overscan tweaking’s, it looks good on the TV but when I move my mouse to any of the edges of ...
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10 views

Audio stops working after playing one item on kodi

I have an ubuntu box running with pulseaudio and kodi, playing audio over HDMI. After I play one video my audio stops working for all next video files. If I restart pulse audio with pulseaudio -k ...
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25 views

Radeon HD 3000 drivers for Ubuntu 14.04.3? HDMI overscan problems

Please be patient with me, I haven't used a linux distro since slackware in the late 90's and have since forgotten everything I once knew. Anyways, I've installed Ubuntu 14.04.3 on my main HTPC ...
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15 views

Black screen flash during video

I am watching videos, not in full screen but full window, running from my laptop to tv via hdmi, at random moments the tv goes black for a second and loses sound but video does not stop. Is there ...
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18 views

Is it possible to use HDMI port as audio input port?

I have a device connected to my Dell Inspiron N5110 laptop through the HDMI port. this device plays sounds and I want to use my laptop as speakers for it. is it possible to do that? if yes, any ...
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10 views

How do I get HDMI working on AMD FirePro M5100?

Basically what the question says. Linux is not even detecting the display device when I go to adjust settings. The graphics card is a FirePro M5100 w/2GB GDDR5. The laptop is a Dell Precision M4800. ...
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1answer
33 views

Why does HDMI sound fail?

On the following machines, my HDMI sound doesn't work: 1> Raspberry Pi 2 with Raspbian (Debian Jessie based GNU-Linux) tested with the following monitors: a) Sharp Big Screen TV b) ViewSonic 1080p ...
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21 views

firefox+html5+hdmi audio = crackling

I'm having problems watching videos, mostly on youtube, using the html5 player. The sound has a lot of crackles and is not easy to listen to at all. This only happens when I'm outputting the audio to ...
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20 views
+50

disable Ubuntu from thinking that there is a secondary monitor

I know that sound & video are naturally bundled together with HDMI, but I need to figure out a way to disable Ubuntu from thinking that there is a secondary monitor when I plug in the HDMI out of ...
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17 views

Multiple monitors - set all apps to secondary monitor

like the title says, I want to simply make sure all apps launch on one particular monitor. The reason for this is that I am using two HMDI connections, one for sound, the other for video. The reason ...
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44 views

Ubuntu 15.10 - HDMI connection to Samsung HDTV no longer working

I use a HP Pavilion dv5 laptop. I have been connecting it to a Samsung HDTV for over 6 months now via a HDMI outlet and everything worked seamlessly. I was new to Ubuntu then, and surprised that it ...
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1answer
20 views

Unsupported resolution when connected with HDMI

So here's the situation. One day my Acer Aspire One 725 fell and its display isn't working anymore. However, I got a display workaround by the means of HDMI cable connected to my TV(max supported ...
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26 views

Xrandr Fix: I need help with HDMI resolution

I need some help. I have my Ubuntu 14.04 computer connected to my 40" Samsung HDTV with a resolution of 1920x1080 and every time I start up my computer the top and bottom keep getting cut off. I've ...
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39 views

Ubuntu 14.04, HDMI cable not registering

I have a desktop PC running Ubuntu 14.04. Have been using an HDMI cable to connect to a Philips TV, which has been working for about 4 months. Today, switch on the PC to get a 'No Video Signal' ...
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28 views

Dual monitor problem on Ubuntu 14.04. After monitor switch off and on, application Chrome closes by itself

I have a problem that involves a Ubuntu 14.04.3 LTS that runs on a NUC Mini-PC.The NUC is connected with two external Samsung Smart TVs 1st display connected via HDMI , 2nd display connected via ...
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23 views

HP 650 - HDMI port doesn't work

I have laptop HP 650 (2 core Pentium, 4GB RAM) with 2 display ports: VGA and HDMI. If i connect display on VGA port it's really fine. I have 2 displays. When I want to connect display to HDMI (as ...
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9 views

Loss of sound with HDMI television for screen

I'm using 14.04 with a Philips TV connected through HDMI as a screen with loudspeakers. Most of the time, everything works fine, but occasionally, the sound just disappears, while everything appears ...
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47 views

Ubuntu 14.04 display port or VGA connection with limited resolution on second monitor

i just installed ubunutu 14.04 and have problems getting a second monitor working on my laptop. the display port via HDMI makes no connection at all and the VGA connection has limited resolution on ...
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17 views

No sound over HDMI

I have a Dell Inspiron laptop with the Intel 3000 HD video. I'm running 12.04.5, all updates. In the past, I've had no trouble, other than having to manually tell the sound subsystem to use HDMI ...
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11 views

Raspberry Pi 2 + Hyundai W220d = red tint or blue is missing

this is my first post here and I'm kind of new on linux. I have a Raspberry Pi 2 on ubuntu mate with a Hyundai W220d screen. The exact config (Raspberry Pi 2 on ubuntu mate with the same HDMI wire) ...
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1answer
45 views

LG monitor is detected but doesn't function

I just bought a new LG monitor to use as a second monitor with my HP laptop (Intel Integrated graphics) running Ubuntu. In my Settings > Display I can see my monitor detected in the GUI but on the ...
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1answer
43 views

Ubuntu 15.10: Set HDMI sound automatically on connect/disconnect

I've read on this SO question: Set HDMI sound output automatically on connect/disconnect But it does not work. Using pactl set-card-profile 0 output:hdmi-stereo does not work on terminal even though ...
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29 views

Cannot make HDMI and hibernation work with GTX920m on Dell laptop 7559

I was given this laptop and trying to make it work with HDMI. I get some app crashes when the laptop resumes from hibernation, but for now I am focusing on making HDMI work. I have tried all drivers ...
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23 views

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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17 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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142 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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0answers
23 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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22 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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31 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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28 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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0answers
64 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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42 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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0answers
45 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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19 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
113 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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0answers
40 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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37 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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0answers
47 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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22 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
73 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
80 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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64 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
127 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
14 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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0answers
34 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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0answers
34 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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40 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 ...