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

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12.04 precise HDMI not working on ATI Radeon

This is precisely a 12.04 HDMI output problem, because it works for 11.10 - everything else are the same, only the OS version is different. The symptom is that on my HDMI output TV screen, it always ...
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1answer
2k 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
143 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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2answers
3k 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
12 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
28 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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3answers
3k 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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0answers
15 views

Incorrect Resolution via HDMI [on hold]

I've just installed Linux Mint (well, went from deepin, to ubuntu, to mint) and in all of the three distros I've been having issues with the HDMI output on my Nvidia GTX 660's (two in SLI). The port ...
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0answers
39 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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0answers
34 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
4 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
35 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
38 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
47 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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1answer
38 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
49 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 ...
2
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1answer
3k 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 ...
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0answers
609 views

External display suddenly not detected

I have a Lenovo IdeaPad U410 running Ubuntu Desktop 13.04. I have an external monitor that I connect to via HDMI, and it's worked flawlessly for six months. I plug in my laptop, it detects the ...
2
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1answer
3k 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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1answer
32 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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1answer
36 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
40 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 ...
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0answers
42 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
23 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
40 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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votes
1answer
30 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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votes
1answer
9 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
53 views

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

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
65 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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1answer
84 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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0answers
1k views

How do I output display at 2560x1080? (am trying to add modeline with xrandr)

I'm trying to use xrandr to add a custom resolution for my 2560x1080 AOC monitor. I've been given the VESA timings by the manufacturer (attached), but I'm not sure what I should be doing with them: ...
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5answers
11k views

No sound through HDMI cable, nvidia

Few days ago I've decided to install Ubuntu 13.04 (with dual boot Windows 8) on my old laptop (Toshiba Qosmio f55 q502) and make it my media center. Everything went well except that I don't have ...
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1answer
28 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 ...
1
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1answer
1k views

No sound through HDMI

I noticed that I can't send sound to my television when I connect my laptop to my tv through hdmi. I noticed that the hdmi is recognised, but I can't select it. I tried setting a profile to it, by ...
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votes
4answers
33k views

No sound through hdmi to TV

I have a Toshiba Satellite Laptop Model P745-S4102 with Intel integrated graphics and Ubuntu 12.04 LTS installed recently. When I connect my HDMI TV to it I only get video through it and no audio. In ...
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0answers
16 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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2answers
2k views

How to setup HDMI output on m11x with Nvidia GeForce GT 540M?

I have an Alienware m11x with Optimus Technology. I setup (Fresh Install) Ubuntu 12.04 with bumblebee as below. Please help me set up the HDMI output so that I can connect it to my monitor. $ uname ...
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0answers
41 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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1answer
248 views

How can I fix no HDMI sound output, despite HDMI sound option being available in sound settings?

So I'm new here, but after trying my best to sort it out myself, I have to ask what I'm missing. I have Ubuntu 12.04, on a Thinkpad SL400 with nVidia GeForce 9300m GS. I've upgraded the nVidia ...
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0answers
88 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
40 views

Ubuntu becomes unstable when connected to external monitor and eventually freezes

I've got this really anoying problem and haven't been able to find anyone that's ever had one like this. I use a Dell XPS 15 (L502x) with an NVIDIA GeForce GT 525M tunning Ubuntu 14.04. Before even ...
1
vote
1answer
279 views

My screen is bigger than my TV, how can I change the size?

I'm running Ubuntu on a Mid-2010 Mac Mini with in-built Nvidia 320M graphics, it's connected to a 32" LCD TV via HDMI cable. The edges of the screen are 'cut off' somewhat, and changing the resolution ...
8
votes
4answers
8k views

How can fix HDMI HDTV overscan when I my TV has no aspect ratio setting?

I have a 32" Vizio HDTV. It's a few years old, but running well. I just connected a new nettop to it using HDMI out. It's the Intel 3x00 graphics chipset. I'm seeing overscan, where the resolution in ...
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0answers
36 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
34 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
50 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
21 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 ...
0
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0answers
53 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 ...
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1answer
330 views

Ubuntu 14.04 & Lenovo Yoga 2 pro screen resolution

I've recently installed 14.04 on my yoga and it is running great so far! Since this laptop has a 3200x1800 resolution and a lot of apps i use do not scale well i am using 1920x1080 resolution with 1x ...
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1answer
3k views

HDMI audio to Samsung TV not working Ubuntu 14.04

I have seen many people have had problems with this topic and have tried pretty much every solution I can find (google is an ubuntu users friend) but still have not been able to get audio working ...