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

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Cannot select Max Resolution on my Monitor over HDMI

I have an issues with my Dell 27 inch monitor. I have connected it via HDMI to my Asus M50VM which has Nvidia Geforce 9600m GS but the highest resolution I have available is 2048x1152 despite the max ...
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1answer
3k 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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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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16 views

SAA7130 based hdmi video capture linux

I need to experiment with HD video capture to provide to the open source world a decent video switching software (like the old and glorious DVSwitch). There are cards with HDMI inputs from black ...
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2answers
6k 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 ...
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0answers
5 views

Is there a fix for Corsair Link

been trying to create new resolution output mode using: sudo xrandr --newmode "1368x768_60.00" 84.75 1360 1432 1568 1776 768 771 781 798 -hsync+vsync This is what I get: xrandr: Failed to ...
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0answers
222 views

no HDMI audio on Intel NUC (NUC5i5RYH)?

As the subject suggests, I'm having a bit of trouble getting audio over HDMI with an Intel NUC. I'm running 15.04 Vivid. To be honest, I've heard before that the kernel is considered to be monolithic ...
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13 views

Unity stuck zoomed in after hdmi plugged in

I have a Dell XPS 13 2015 running Ubuntu 14.04. I plugged in a mini-display port to hdmi adapter into it to do a presentation. This seemed to work fine, I went for lunch and the laptop screen wouldn't ...
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1answer
3k views

Lubuntu 14.04 HDMI no sound on TV

I plugged in the HDMI-emphasized text cable from my TV and plugged it in my desktop and when I restarted the computer it has a clear picture but no sound at all. I have looked for a solution but ...
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0answers
57 views

Ubuntu 14.04 Audio pitched over HDMI

The audio output from the speakers of my laptop is fine, but when I attempt to play audio and video on an LG tv using an HDMI cable, I do get a picture and sound, but the sound and picture are both ...
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0answers
41 views

Ubuntu not using external monitor by default

Okay, because I couldn't think of a better way to title this question, I'm going to try and describe my issue in detail here. I like to use my laptop as a desktop; I have an external keyboard and ...
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0answers
13 views

Default sound not working

I have two nearly identical Ubuntu (Mythbuntu 14.04.2) home theater machines. After setting up the first one, sound worked in MythTV, but not in other programs. I created the .asoundrc file and set ...
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0answers
67 views

Ubuntu not displaying with HDMI output and Nvidia GTX970

I'm trying to install Ubuntu 15.04 in my new computer. I'm using the HDMI output of a Nvidia GTX970 to display it but, after the GRUB menu, nothing else is displayed, so I can't even install the OS or ...
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0answers
32 views

Xubuntu 14.04 disables video output when disconneting / reconnecting a HDMI monitor

On Xubuntu 13.10 when I disconnect a screen connected on the HDMI output of my computer and then reconnect it, the signal directly comes back to the screen and I can continue to work. On Xubuntu ...
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1answer
4k 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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1answer
3k views

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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0answers
30 views

My cursor is changing it's size when it's over Ubuntu UI

I have two displays: One on my laptop: 15 inch 4K One connected by HDMI: 27 inch Full HD I keep my laptop cover closed, and I'm using only HDMI connected monitor, Full HD. My problem is, no matter ...
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1answer
4k views

Enable HDMI Port Xubuntu 12.04

I have an HP Pavillion dm4 with intel core i5. I'm trying to get my second screen going but whenever I plug it in, nothing happens. The display settings don't recognize the second output either. I ...
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2answers
31 views

HDMI: TV crops 16:9 from graphics card, 1-2 cm of image borders missing

The graphics card (Intel Iris graphics 6100) sends 16:9 video to the TV. 1-2 cm of its borders are cropped. How can I correct this?
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0answers
18 views

Display attached via mini-HDMI only found when it's on at start up

I have a TV attached via mini-HDMI to my NVIDIA graphics card. Everything works fine except that nvidia-settings only shows that display if it is turned on while Ubuntu is starting. If it is off and I ...
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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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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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1answer
84 views

How to Connecting laptop to LCD TV using HDMI

I have a TV and I would like to connect my Ubuntu 14.04 laptop to it via HDMI. When I connect HDMI cables between both devices I see am able to detect both devices in my display settings in Ubuntu. ...
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0answers
44 views

Linux Ubuntu HDMI screen detected but not showing (GT 525M

After searching every solution possible nothing seems to work for me. WHen i do nvidia-settings it shows the screen detected but i receive no output from the screen. In addition following this HDMI ...
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54 views

No HDMI Audio on Ubuntu 15.04 and NVIDIA Quadro 2000

I took me a long time to discover the sudo nvidia-xconfig to get the NVIDIA drivers working. I was assuming that was the cause of getting no HDMI audio, unfortunately it was not. The the output is ...
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1answer
38 views

Thinkpad W520 DisplayPort/HDMI sound

On my Thinkpad w520 with Nvidia Optimus (using Nvidia properietary drivers) I connected an external monitor via DisplayPort, using a Displayport -> HDMI adapter cable. The monitor has integrated ...
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2answers
3k views

Laptop-TV sync problems in ubuntu 14.04

I am using Dell Inspiron N4010 Laptop. Recently I have upgraded from Ubuntu 12.04 to Ubuntu 14.04. When I connect my laptop to my Sony Bravia Television through HDMI cable I can see my desktop ...
2
votes
1answer
33 views

Edit files on written SD Card (on Ubuntu laptop, edit boot files for Raspberry Pi)

I have just set up my Raspberry Pi and get a no signal when it is attached through a HDMI cable. I've seen that this is not uncommon and requires you to enter hdmi_force_hotplug=1 and hdmi_safe=1 in ...
2
votes
1answer
4k 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
18 views

Xorg CPU usages High

I am facing the issue with Xorg. My application is playing content in chrome browser. After some time some how xorg cpu usages reach to 90% and stop displaying the content. I tried couple of things ...
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0answers
36 views

Ubuntu 14.04 Freeze Problem with HDMI

I run Ubuntu 14.04 alongside with Windows 7. When i connect my Dell Xps L502X from Windows 7 to the TV with HDMI cable it works perfect but when I try to do exactly the same thing with Ubuntu, it ...
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2answers
742 views

Sound settings not work on 14.04 but I have sound

Fresh 14.04 install. Everything was fine in 13.10. lspci -v | grep -A7 -i "audio" 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02) Subsystem: Gigabyte ...
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0answers
37 views

Digital audio does not work

I am having problems getting S/PDIF and HDMI audio working on Ubuntu 15.04. The S/PDIF output shows up in "System Settings > Sound", but no sound is outputted. The HDMI output does not show up. I ...
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0answers
9 views

Ubuntu LiveCD won't connect to HDMI

Laptop: Acer Aspire Ubuntu: 15.04 [I think], Live CD. [Don't ask why.] TV: Panasonic TV [Unknown exact specifications.] Please help!
3
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1answer
75 views

Using AMD graphics card with Ubuntu (Sound)

I understand this has been asked few times and I've read through few threads as swell but I didn't understand everything: I've read AMD graphics drivers and fglrx: No matching Device section for ...
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1answer
35 views

Kubuntu switch to headphone when connected

I have installed Kubuntu 14.04.2 using the 3.19.6 kernel on an Asus Chromebox. When I am in desktop mode, I couldn't hear any sounds. This is a list of the devices: **** List of PLAYBACK Hardware ...
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0answers
12 views

touch on NEC monitor with TUIO doesn't work

I have a monitor NEC P553 SST that use TUIO protocol and pc zotac with processor intel i3 with ubuntu 12.04. They are connected with HDMI. To use the touch, the monitor manual tells to turn off ...
2
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0answers
19 views

Audio through iec958 super quiet

I've tried a lot of things I can find, but nothing helps. Problem in Ubuntu 14.04: Audio plays fine through HDMI, but not through s/pdif. When I unlock and raise the left front or right front ...
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0answers
72 views

lubuntu 14.04: HDMI sound not working, fixes on forum won't work either

I'm running Kodibuntu, which is on the basis of Lubuntu 14.04 My HDMI is not feeding sound to my tv, but it is feeding video. The root of this problem must be in Lubuntu so what I am trying to do ...
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2answers
55 views

does not detect my sound card HDMI

Mainly, the sound only heard in the computer and not on TV, I have no problems with the video, it works correctly. Ubuntu never detect my sound card hdmi. commands: aplay -l results: **** Lista ...
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0answers
44 views

ubuntu 14.04 HDMI wrong resolution

I recently purchased a NVIDIA GTX960 and having issue with my secondary monitory connected by hdmi cable ( using HDMI to VGA converter ). The monitor in question is Acer X233H and has resolution of ...
2
votes
1answer
95 views

Second monitor connected by HDMI stopped receiving signal but Ubuntu 14.04 still shows that a second screen is connected

About 30 minutes ago I was watching something on my TV which is connected by HDMI to the port on my Lenovo Thinkpad Yoga running Ubuntu 14.04. For whatever reason now, the TV is no longer receiving a ...
6
votes
3answers
4k 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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3answers
129 views

Dual monitor problem (only 1 monitor displays) [closed]

so I have 2 working monitors, and after installing Linux ChaletOS x64 (based on Ubuntu 14.04) only one of them is displaying. Now at 1st neither would show anything pass the bios, so i changed them ...
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0answers
32 views

HDMI tone output not working with PC audio but with test audio

just at the beginning: I'm not good in using Ubuntu (i've been using it for app. one moth) so please do not give me any unexplained instructions. Please do give me detailed information what i have do ...
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0answers
22 views

no sound from hdmi

I can't manage to have my sound go through my video-projector plugged in through HDMI. I've tried several answers here on the forum and none seem to work. Here is my aplay -l: card 0: HDMI [HDA ...
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3answers
3k views

Cannot establish maximum resolution on ASUS PB278Q

I've recently bought brand new ASUS PB278Q monitor. When trying to connect to my laptop, everything works great, except that I can't get the native resolution of my monitor (2560x1440) working. The ...
5
votes
1answer
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
47 views

Can't click mirror display and can't connect laptop to tv with hdmi

I have a laptop Asus N46V and when I try to connect it to my tv with a hdmi cable nothing happens. I tried to click mirror display but it's in grey and UNclickable. When I installed Ubuntu 14.04 I had ...
0
votes
1answer
50 views

Dell M3800 with 14.04 LTS HDMI randomly cuts out

I have a M3800 plugged into a Dell U2913WM via HDMI I'm using the nVidia binary driver (331.113 from nvidia-331), which is the recommended driver I've used multiple HDMI cables, and plugged into ...