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

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3answers
985 views

Overscanning picture problem using HDMI with Intel Graphics

When I use my laptops HDMI on a TV the TV overscales the picture (~5-10% is missing at the edges). There is no option on the TV (sporting a 720p resolution btw). The comp is running Intel HD Graphics ...
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0answers
230 views

Problems with HDMI output resolution using Xubuntu 14.04

I got a problem using Xubuntu 14.04 LTS while connecting it to the HDMI port from a Samsung LN40R81. Straight to the point, the resolution is lower than the required (1366 x 768). This resolution ...
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0answers
44 views

Occasional HDMI hiccups for a few seconds on NUC with Ubuntu 14.04

I have an Intel NUC system with Ubuntu 14.4 installed. Occasionally, the screen (a Philips TV connected using a HDMI cable) will go black and mute, then come back to life a few seconds after. I ...
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0answers
59 views

Detect connected monitor

I have an ubuntu 12.04 server running with an integrated intel VGA. There is a screen connected permanently as an "info monitor". Sometimes power is removed from the screen and i want to detect that ...
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1answer
272 views

How to choose default output port (boot screen) in a nvidia card?

I have a NVida card and binary drivers. I have my monitor connected at the vga port and the TV at the HDMI port. When the computer boots, the grub menu and sometimes the login screen goes to the TV ...
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1answer
174 views

external HDMI monitor turns off after a few minutes

When connecting my 14.04 ubuntu laptop with HDMI to my TV, the image is turned off after a few minutes, even when connected to the power. I then move the mouse and the image returns. How can I prevent ...
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0answers
315 views

Second monitor no longer working on Ubuntu 14.04 [Intel]

My laptop is an Acer Aspire M and I used to connect a second monitor through hdmi regularly. About a month ago, it simply stopped working. I don't really know anything I can do, so any help would be ...
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0answers
62 views

HDMI not recognized

I'm running Trusty on my G500 Lenovo laptop, with inter graphics. I just bought a DELL P2214H screen, but my computer recognizes only the VGA, trying to use the HDMI port (with a HDMI 2 Display Port ...
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1answer
107 views

HDMI TV Issues with Acer V3-571 laptop

Im a complete Linux novice. Iv installed Mint today on my laptop. So far so good. However Im having a few teething issues with regards to my HDMI connection. When I connect to my TV via HDMI the TV ...
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0answers
123 views

External Display HDMI out not working

I know this may be a stupid question but are Samsung monitors supported in Ubuntu? I ask because I've recently switched over from windows to Ubuntu 14.04 on my laptop. I have a Samsung monitor I user ...
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0answers
25 views

WQHD HDMI GeForce 460M

I have the proprietary nvidia driver installed in Ubuntu 13.04. I have a toshiba qosmio laptop with the GeForce 460M GPU. In windows, I was able to use the configuration utility to successfully get it ...
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0answers
567 views

Why is XBMC failing to play audio from my HDMI port?

I have the following setup: Ubuntu 14.04 Server Latest Nvidia video drivers ALSA installed PulseAudio NOT installed XBMC 13.1 Gotham installed The problem: running speaker-test -c2 -D plughw:1,7 ...
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0answers
338 views

Installing NVIDIA drivers for GeForce GT 525M on 14.04

I've been trying to install NVIDIA drivers for 14.04 so I can use a HDMI output on my laptop. However each time that I have tried to install nvidia drivers my screen is blank after logging in. I've ...
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0answers
465 views

HDMI connection between TV and a laptop with Ubuntu (14.04) + NVIDIA Optimus possible?

Question briefly: Is it possible to connect a Ubuntu laptop with NVIDIA Optimus to a TV via HDMI connection? The connection should also have sounds included, because otherwise it would be easier just ...
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2answers
602 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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1answer
153 views

How do I use multiple laptops as external display over network?

I have a relatively powerful computer (8gb ram, 64bit, quad core) and I can easily drive three monitors, my tv over hdmi, my 17 inch hd internal laptop display, and an external hd display. I have ...
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0answers
59 views

Problem with MBO that does not support HDMI sound

Processor is Intel G2010, but motherboard does not support sound through HDMI. Ubuntu 12.04 64bit. Problem arises when HDMI TV is connected; sound is still output through analog channel (and can be ...
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1answer
82 views

I have a problem with HDMI sound on both Ubuntu 14 and Windows 7, is this hardware?

I have a problem with HDMI sound on both Ubuntu 14 and Windows 7, is this hardware? The problem only occurs when running games (something sound intensive) I get ugly noise through the speakers. This ...
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0answers
108 views

Can't change monitor to native resolution

I'm using a laptop running ubuntu 14.04 LTE, and I have secondary monitor LG Flatron M197WD, which according to the lg website can run in a 1366x768 resolution. This mode didn't show up in either the ...
2
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1answer
131 views

Sound lost in Chrome (and only Chrome)

I suddenly lost sound in Ubuntu Chrome (no more YouTube, or Spotify, or SoundCloud sound or any other in Chrome). All other apps such as Firefox or VLC work fine. There are a bunch of nice tips at ...
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0answers
149 views

Recent update in ubuntu 14.04 resulted in my external monitor being unable to go above 1024x768 without being met with a black screen/no signal

This is all through HDMI. I cannot go above 1024x768 or I get a black screen / no signal. This means anywhere between 1152x864 and 1920x1080 (which is what I had been set at before the issue). ...
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0answers
79 views

HDMI issue with Macbook pro 8,1 on Ubuntu 14.04

I have a Macbook pro (MBP) 8,1 OSX version 10.7.5, and I'm am running Ubuntu 14.04 I have been trying to connect my MBP to my TV with my HDMI cable but it seems like Ubuntu does not detect anything ...
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1answer
156 views

Default sound device different when run as service

I use squeezelite to play audio streams on my laptop. The laptop has a built-in Intel sound card, but I use the HDMI connection to my monitor to play the sound on my monitor speakers. This works well ...
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1answer
55 views

need to know how to program laptop to connect to tv to laptop using hdmi cable or vga cable

i am trying to program my laptop and tv so i can watch my laptop on my tv using a hdmi and vga caable .i also have a s video cable.please help me to hook it up proper.i also need to program them both ...
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1answer
25 views

Acer Revo 3700 display issue

Acer Revo 3700 When connected to a pc moniter i have no issues. i took the unit down to connect to my sony flat via hdmi. when i powered on the machine it booted up, the purple screen, ubuntu logo ...
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1answer
284 views

After adding Amd video card and installing drivers - NO SOUND (in all OS) [closed]

Ubuntu 13.10 x64, Windows 8.1 x64. CPU: Intel i-4771 MB: Asrock B85 Pro Video card: AMD Radeon 7750 Had a computer properly working with Win8, Ubuntu 13.10, Ubuntu 14.01 Live CD. I am using two ...
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0answers
221 views

Dual display detected but not working after startup 14.04

Here's my situation--I've got an HP Envy laptop running 14.04 with an AMD A10 APU. Catalyst display dashboard and the works are installed. As the system boots up, it acknowledges the external display ...
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0answers
639 views

xrandr --addmode doesn't add to the wanted output (DVI-I-0), instead adding to HDMI-0

The monitor I use is a Samsung SyncMaster S24B300, and no matter what the heck I do, Ubuntu refuses to use 1920x1080 at 60hz for the output I want, despite my monitor (which is unrecognized by the ...
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1answer
454 views

Sound problems in Ubuntu 14.04

I am having problems using my audio ports in Ubuntu 14.04. I didnt notice this before, because I use wireless speakers and they use a USB port. But today I tried to use my headphones and I heard ...
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1answer
118 views

Distorted sound unless PAVUCONTROL is open?

Seems as though there ought to be a simple solution to this: My sound comes through a jack in the back of a Samsung HDMI monitor. If pavucontrol (Pulse Audio Volume Control) is running (if the ...
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0answers
18 views

Ubuntu Touch HDMI out support on a Nexus 10 [duplicate]

Does Ubuntu Touch support HDMI out on a Nexus 10?
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0answers
53 views

Multi screen inactivity suspend

I am new at this so please bear with me, My question is: I have two screens on my pc one 22" monitor and one 26" HDTV now the monitor is connected via a VGA port and the TV via a HDMI port both of ...
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0answers
413 views

Xubuntu 14.04 - HDMI Display no longer detected

I have a Sager NP8268, and install Xubuntu 14.04. I have been using an external Asus PB278Q monitor for 3 weeks or so via HDMI. Today, the monitor is no longer detected by xfce4-display-settings. ...
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0answers
103 views

HDMI Monitor: Cable not connected, but “visible” in the PC (Ubuntu 14.04)

I have a Monitor connected via HMDI to my laptop. Then I connected it with a TV via HDMI to watch a Movie. When I connected it back to the Monitor the Monitor shows only: Cable not connected The ...
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1answer
94 views

Audio issues, cutting out and random loud noises the more things it has to process

I'm stuggling with audio problems with Ubuntu on my desktop PC, when audio skips and paused and sometimes dies completely and produces loud static. If all I'm doing it watching youtube things are ...
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0answers
136 views

Volume Buttons Not Working Ubuntu 14.04

Every time I hit my hotkeys for sound(and I rechecked the system settings, they are properly assigned), I don't get any action from them. Matter of fact, even when I manually go to mute my audio ...
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0answers
56 views

HDMI output stopped working 12.04 Precise

Seen this question quite a bit, but not none answered my problem. Suddenly - one day - HDMI stops working. When I connect to my Philips monitor, I get "No video input" - and then it enters sleep ...
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0answers
240 views

HDMI is not working after installing AMD Catalyst Control Center

I am running Ubuntu precise (12.04), 3.5.0 kernel with a dual monitor setu-up on AMD 6970 HD Cayman video card. My HDMI video output was working fine until I installed a dual monitor set-up and ...
0
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1answer
74 views

HDMI port has stopped working on 12.04 LTS

I have been using 12.04 LTS with an HDMI monitor for quite some time now and everything has been working wonderfully. However, recently my HDMI port has stopped working, and I have been all over these ...
0
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1answer
293 views

Intel Graphics Control Panel alternative for Ubuntu?

Coming from a Windows 7 on a laptop with an integrated graphics card (Intel HD 3000 I think) as well as an Nvidia GT540M, I was accustomed to being able to change things like saturation and gamma of ...
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0answers
138 views

Where can I find vgaswitcheroo

I know its dupe and may seem dumb but Im a bit noob with linux. Basically my problem is that I can not locate the /sys/kernel/debug/vgaswitcheroo/switch folder. (And therefore can't use my HDMI ...
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0answers
90 views

TV as monitor overscans

My SHARP TV overscans. Every edge are out of the screen :-( I use Xubuntu 14.04. I have tried to solve the issue, but I wasn't able to do it. pc@roland:~$ xrandr -q Screen 0: minimum 320 x 200, ...
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2answers
53 views

What is HDMI audio?

I see "Juniper HDMI Audio" under my sound devices list. My question is, what is it and what does it do? Currently, adjusting the volume level does nothing. Google searches don't give a very clear ...
1
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0answers
868 views

HDMI video output not working for external monitor

I have installed from scratch ubuntu GNOME 14.04 with gnome-flashback on my old HP HDX 16 laptop (core 2 duo p8600 + nvidia GT9600M + 4GB of ram) and I have problems with the HDMI output (I use it to ...
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0answers
90 views

Set global / persistent display resolution

I am trying to set resolution to 1024x768@60hz from boot -> login menu -> default desktop settings for user accounts. My system is connected via HDMI to the display, video card details (from lspci): ...
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1answer
204 views

Connecting Ubuntu 13.10 box to a VIZIO E601i-A3 TV

First, a briefe background on myself. I'm in IT. I've done both hardware and software tech support so I'm not an idiot when it comes to technology. However, I am totally new to linux boxes and hooking ...
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3answers
147 views

Commands to run when Connecting HDMI

Everytime I connect my pc to my tv using my HDMI cable (to watch my movies), I have to manually go to: 1- Monitors, to select "mirror" screen to HDMI 2- Sound, to select the HDMI as default sound ...
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0answers
39 views

Bluetooth Audio and SoftPhone Audio Input/Output

I have a Voip Softphone software that I would like to start using on my Ubuntu 14.04 box. Here's the thing. My system sound right now goes through my HDMI to my speaker system so I can play music ...
0
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1answer
66 views

Wrong display diagonal size

Absolutely new to Ubuntu and Linux in general, but the side menu and top menu do not appear on the screen. I have tried finding a way to fixcitcwith xrandr, but no luck so far. The displays menu shows ...
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0answers
199 views

Sound is not working in ubuntu 14.04 via headphones

I tried everything that I could to get it back, since I am very new to linux I couldn't help myself. When I am trying to connect external microphone it seems that system detects it but connecting ...