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

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92 views

16.04 switches HDMI to Speakers after screen dims

I have following set-up of audio and video devices connected via HDMI cables: laptop --> AV receiver with speakers --> LCD display When my screen goes black due to inactivity, also sound ...
2
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0answers
227 views

Enable discreet graphics card (AMD, Intel) 16.04 LTS

I have a hybrid-graphics system with power-saving onboard Intel graphics, and an ATI accelerator (Lenovo z51-70, i5, 8 GB RAM, SSD) Back in 14.04, with fglrx, I used to have ATI Catalyst, which would ...
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1answer
148 views

BQ M10 Ubuntu Touch - Micro HDMI Not Outputting to TV

I'm trying to use my BQ M10 (Ubuntu Touch Tablet) with my 65 inch TV as the display. I purchased a GE brand "Mini + Micro HDMI to HDMI Adapter" from Walmart today and I have another adapter that ...
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0answers
34 views

Ubuntu 14.04 update has caused desktop to be larger than physical screen

I've been running 14.04 with lxde on a Foxconn nanoPc for some time. It's a low power home network server (dnsmasq, radius, mysql), doubling as a home office skype center since it's always on and low ...
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0answers
30 views

My HDMI audio output disappears after my screen is turned off for a long while

CPU: intel i5-4460 iGPU: intel HD4600 It happens after I turn my screen off for a long while, if it isn't turned off for a long time, it won't happpen.
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45 views

external Samsuang HDMI monitor is not recognized after software update on Ubuntu 14.04

I have dell Vostro 5000 with Ubuntu 14.04 after software update it stopped recognize my external HDMI Samsung Monitor. It has both Nvidia and Nvidia and I am working on the Intel one. Can you please ...
0
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1answer
81 views

Ubuntu 14.04 updated last night - HDMI video stopped working

Ubuntu 14.04 with an integrated Intel graphics card that has worked for 6 months connected only to a Samsung TV via HDMI. Software update ran last night, installed some new packages. After ...
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0answers
112 views

Ubuntu doesn't detect an external monitor

I have two monitors. The first one works fine with both my windows and my Ubuntu 15.10 machines. The second one works with my windows machine, but not with my Ubuntu machine. It is outputing a DVI ...
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1answer
90 views

Turn off external monitor when inactive

I added an external monitor to my laptop last week and have almost everything working like I want except for the Brightness & Lock behavior. I've long had this set to "Turn screen off when ...
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2answers
71 views

Nvidia 760 GTX 14.04 Driver Install Problem

I know there are lot of posts with similar titles... but I think I've tried about all of them. I can't seem to get nvidia drivers to work. Failure mode. I go through the below steps... After ...
0
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1answer
58 views

Ubuntu crashes every time I connect the computer to HDMI

Every time I connect my computer to my TV via HDMI, my computer's screen goes black and Ubuntu crashes. I use Ubuntu 15.10, and my laptop is an ASUS with an Nvidia GeForce 840M graphics card. ...
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0answers
33 views

HDMI display not detected in nvidia Geforce 9300 GS

I just installed Ubuntu in my Sony Vaio VGN-Z31XN with nVidia GeForce 9300 GS. When i tried to connect it to my Samsung television through the HDMI cable, it seems that the laptop can't seem to ...
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0answers
25 views

Ubuntu 14.04 two screens but separately X session

I have a Skylake i7 that has a onboard video card that have VGA, DVI and HDMI outputs. If I connect a monitor to HDMI and one to DVI or VGA only one X display is created ( DISPLAY :0 ). How can I ...
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0answers
35 views

Ubuntu ARandR additional monitor setup

I want to setup my laptop to use 2 additional monitors. One from an HDMI input and one from a VGA input. When I try to configure them with ARandR I get this error message. XRandR failed: XRandR ...
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0answers
28 views

Can not detect right resolution

I got this error in my desktop Could not switch the monitor configuration could not set the configuration for CRTC 95 And every second I run xrandr command it output is different : Screen 0: ...
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0answers
105 views

Ubuntu 15.10 not detected by Samsung TV via displaport-HDMI

My HP EliteBook 840 does not have a HDMI port but a displayport, so I got an adapter to HDMI. I tried to connect to a Samsung TV (UE-50JU6870) via the adapter and a HDMI cable but it stays on black ...
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0answers
55 views

Cannot use --transform nor --scale to fix overscan of TV HDMI on laptop

My TV doesn't have an option to fix the over-scan. Using windows I can fix it by setting the Intel's Screen config to shrink until I fit the display into screen, so theoretically it must be possible ...
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0answers
20 views

pacmd - udev rule for moving inputs to different sink during playback

newbie here. I want to be able to switch to HDMI audio output by plugging in the HDMI cable during playback. I have followed the advice given here: How to change pulseaudio sink with "pacmd ...
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0answers
33 views

HDMI audio works intermittently (15.10)

I'm having trouble with my HDMI audio out. When I have the HDMI cable plugged in, I can see HDMI out as an option in my sound settings, but when I select it, one of a few things happens: the sound ...
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0answers
82 views

HDMI problem with Dell Laptop with Radeon HD 8670A/8670M/8690M / R5 M330 graphics

I'm facing some problems in connecting external displays via HDMI cable to my Dell Inspiron 17 5759 running Ubuntu 15.10. The Display controller is 01:00.0 Display controller: Advanced Micro ...
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0answers
49 views

Ubuntu 14.04 Suddenly stopped detecting HDMI monitor (Integrated graphics)

I usually have my laptop connected to a second monitor via HDMI, and for the past few months that has never been an issue. I'm using a Dell Inspiron 15R with Intel i7 and no dedicated graphics. ...
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0answers
67 views

Ubuntu 15.10, nvidia GTX760M

I'm using an ASUS ROG laptop with a screen resolution of 1920x1080 and for most of the time it works ok, small glitches barely visible. Recently I've bough a 4K monitor and I use it through the HDMI ...
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0answers
39 views

No Display (HDMI)

This is what happens: When I boot from a live USB (Xubuntu), I get the display of 1024x768 with no sound but still I atleast get a display. When I boot from the main hard-disk, I do not ALWAYS get ...
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0answers
110 views

No sound using Displayport to HDMI connected to TV Ubuntu 14.04

I am using Ubuntu 14.04 on a desktop connected to a TV HDMI input using Displayport as an output from the PC. The problem is that I don't have sound. Even when I tried to change the sound hardware I ...
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0answers
51 views

Multi-screen display

I have a Dell XPS L502x running Ubuntu 14.04.1 and nvidia GT504m. Im trying to connect 2 monitors to the laptop, one via the hdmi connection and the other using the mini-display port. Connecting a ...
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0answers
22 views

TV losts video signal over hdmi

I have a pc connected to a TV via hdmi. After I have turned off TV and then turn it on again it tells me there is no signal. To solve this I restart X and then everything is fine. What can I do to rid ...
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votes
1answer
17 views

Fonts not showing with ubuntu studio 14.04.4 and LCD TV, can you help me?

I'm using an LCD TV as monitor and ubuntu Studio 14.04.4; can't see fonts properly and most of the tweaks and tricks haven't worked so far. I have a geforce gtx 750 ti and using the HDMI cable. I've ...
0
votes
1answer
30 views

Kubuntu 14.04 hdmi sound goes out after apt-get upgrade

From the command line, I just ran an apt-get update and then an apt-get upgrade on my system, with Kubuntu 14.04. My hardware is: intel-nuc (next unit of computuing) i3 processor. Connected to a ...
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1answer
3k 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
152 views

Ubuntu 14.04LTS running Kodi random freezes

I am running Ubuntu on my media center. It has Kodi running and it is on 24/7 - well when it runs. It will freeze randomly while being idle, never while it is running anything on Kodi. When it freezes ...
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0answers
29 views

No Way to Choose Analog BuiltIn Sound

I have other issues, but sound is my primary issue right now. I am running Kubuntu 14.04 Kernel Version 4.2.0-27-generic and a 64-bit installation. My output for aplay -L is: default ...
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0answers
20 views

Ubuntu 14.04 is not associated with TV

I bought a laptop Dell Inspirion 15 Product details , but does not connect the HDMI cable to the TV. Where could be the problem if the operating system or TV? TV is Sony Bravia, until now I have not ...
3
votes
1answer
64 views

Use a Canon camcoder as webcam

I have a Canon LEGRIA HF R606 camcoder and I would like to connect it to my computer to stream live videos (e.g. in Google Hangouts or anything else), so basically using it as webcam. It's not clear ...
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0answers
33 views

Pulse Audio HDMI Sound Card “configured latency”

I'm running a service that syncs audio between multiple speakers / TV's. I have PulseAudio running. Syncing works fine until I tried in on a Vizio TV, when I noticed the sound was off just enough to ...
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2answers
58 views

Dual DVI Monitors not Extending, Lubuntu

I have recently returned to Linux and am attempting to setup my new PC rig. I've run into issues with the way my monitors are setup. I have done a fresh install of Lubuntu (You can view the version ...
2
votes
0answers
61 views

Digital Stereo (HDMI) Output (unplugged) - NVidia GTX 970

I have a problem with audio through HDMI. My display is connected via HDMI cable but Audio doesn't work. HDMI audio output is not visible in default ubuntu sound settings. After installation of ...
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0answers
16 views

Screen is cut in half, when there is movement

I run kubuntu on an small htpc. The PC is connected to my TV via HDMI. Everything is fine until there is some movement. One half of the screen is a little off. Like this: example The horizontal ...
2
votes
0answers
12 views

Use only one monitor at a time? [duplicate]

How can I tell Ubuntu to automatic turn the primary screen of when I connect a secondary screen? Case: I have my primary monitor connected through a Display port, and sometimes I connect a tv through ...
2
votes
0answers
129 views

How to disable monitor auto configuration?

Im running Ubuntu 16.04 (dev branch), XFCE as desktop environment. My computer is connected to two monitors. One via regular VGA cable and the other is connected to a HDMI Switcher. That setup works ...
1
vote
1answer
178 views

System 76 Oryx Pro with Samsung 4k flickering issues

I got my Oryx Pro hooked up to my Samsung U28D590D. Using various connections I get the following behaviour: Displayport: random artifac happening across the screen (similar to artifacts) random ...
0
votes
0answers
100 views

Ubuntu 15.10 can't detect second monitor

I'm trying to connect a monitor to my ThinkPad S440 via HDMI. When I go to display settings, no additional monitors are detected. I have Radeon HD 8670M and have changed settings in AMD Catalyst ...
2
votes
2answers
120 views

How can I automatically switch off internal screen when an external screen is connected?

Windows user over here, jumping on the Ubuntu train. Currently using 14.04. I have a TV that I use for viewing movies and such, connected through HDMI. I'd like to accomplish the following behaviour ...
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0answers
66 views

Secondary monitor (via micro-HDMI) black, despite being recognized

I'd like to attach a secondary screen (at 1280×1024) to my laptop – it's an ASUS Zenbook UX305, which comes with an integrated 00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated ...
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0answers
17 views

Second monitor only displays a “_”

I have my main monitor and my secondary monitor, during boot he actually shows everything on the secondary monitor but after its booted the screen goes black and it only shows a _. The display ...
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0answers
473 views

xrandr does not “connect” to intel i915 HDMI output

right now i'm using ubuntu 16.04 with an additional KDE plasma5 dektop on a Pansonic FZ-g1 toughpad with an external gechic hdmi touchscreen > lspci -ks 0:02 00:02.0 VGA compatible controller: ...
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votes
0answers
219 views

Amazon Prime videos play, but not in HD, citing HDCP error

On Windows it works fine with this setup, so it's an Ubuntu issue. I am running HDCP capable HDMI cables to an HDCP capable TV as a dual monitor from an HDCP capable graphics card.
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0answers
86 views

second monitor connected through HDMI not detected on Ubuntu

Operating System: Ubuntu 14.04 LTS Second monitor connected through HDMI not detected. I have a dual-boot windows and Ubuntu, Windows 10 detects the monitor without any problems while Ubuntu is ...
0
votes
0answers
66 views

UBUNTU 14.04 HDMI overscan Issue

I am using an HTPC using HDMI connected to a TV screen via a Denon AVAmp. The graphic card is NVIDIA GeForce GTX 750 TI. With a fresh install of UBUNTU 14.04, I noticed an overscan. I installed Nvidia ...
0
votes
1answer
37 views

No system event sounds on 14.04 LTS

I have just installed Ubuntu 14.04 LTS onto a new SSD and most things are working fine. One irritation is no sound for system events, although sound works for iPlayer/YouTube or stand-alone files ...
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0answers
25 views

Sound lost from HDMI out when no screen connected

My Intel Computestick (with Ubuntu 14.04) is connected to my Marantz AV Surround Receiver SR7009, which in turn is connected to my projector. If I start the computestick with the projector is off, the ...