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

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HDMI Audio Card Not Recognized in Ubuntu 14.10. How to fix?

I have an issue similar to this but no solution I can find anywhere has been any help. Ubuntu refuses to output audio via HDMI Anyone have any suggestions This exactly: I have my PC hooked up ...
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123 views

No sound through hdmi - ati radeon HD 3470, 12.04 - tried everything

I have Asus Laptop model F6V with Ati Radeon HD 3470 graphics and Ubuntu 12.04.5 LTS (precise pargolin). I have set the the output to HDMI but get no sound. Speakers and headset are ok. I tried ...
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27 views

Screen turns off immediately after X starts

Yesterday I disconnected my HDMI monitor, and connected to another monitor while the system was running. The resolution was now too high for the new monitor (1280x720 monitor was showing the 1920x1080 ...
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27 views

Is it possible to update the sound options after boot?

I run my computers display via HDMI into an AV Receiver which then goes to the screen. I've noticed that if the AV Receiver isn't selected to the computers channel when booting the computer, Ubuntu ...
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258 views

External Monitor: VGA and HDMI Behaving Differently

I'm trying to set up a second monitor. I want the primary screen to be my laptop's built-in display and I want the secondary screen to be the external monitor. I'm running Ubuntu 14.04 with GNOME ...
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116 views

Resize desktop to fit HDTV output

I'm new to Linux and trying to learn to love it. At the moment, I'm using a mid-spec laptop that I connect to a 37" HDTV via an HDMI cable. This setup suits me really well and works (almost) ...
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173 views

HDMI 4K not working with Intel HD

Under Ubuntu 14.04 the maximum resolution provided when my Samsung Series 7 Ultra is connected to a Sony UHD TV, is 1080p. I tried to add various mode lines with different refresh rates and updated to ...
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238 views

How to: External Monitor (HDMI)

I'm on a Dell xps l502x 64 dual boot machine. It worked on both, but I had a accident: the screen cracked, so after that I tried to use an external HDMI display as primary display. Now it only works ...
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71 views

Ubuntu showing problems in connecting two external monitor

I am working with Ubuntu 14.04 on Dell E7240. I have connected two external Dell monitors E2211Hb but they both are not working simultaneously. Yesterday both were working fine and after some time one ...
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102 views

HDMI Issue - Can't disconnect from TV/External Display

So here is the situation.. When I first came back to ubuntu (14.04) I experienced a fail at wake from suspention. My Hp Pavilion G4 would turn on as expected but screen would be off (not blank, ...
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96 views

Hybrid Graphics / HDMI Screen redraw Wierdness

I have searched extensively on this problem but have not encountered a work solution yet. Please can someone help? I have HP tm2 2050ea laptop. It has hybrid Intel / AMD graphics. It is caught ...
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166 views

Second screen not disconnecting (HDMI)

I have an HP Pavilion TouchSmart laptop running Ubuntu 14.04.1 I usually connect a second display via HDMI which worked fine until today. I can connect the display fine and everything ...
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171 views

Crackling sound on HDMI ATI HD7790 Ubuntu 14.04

I am new on Linux but I try to start use, however this if my first big problem. On my card I am not able to use HDMI for sound. I have crackling sound. This is info about my hardware: 1) By typing ...
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257 views

No HDMI video output from GeForce GT 330M - Ubuntu 14.04 LTS

I have a Dell Vostro with an Nvidia graphics card. Although the VGA output works fine, when I connect up a monitor on the HDMI output, Ubuntu (14.04 LTS) recognises it, but the screen is blank (no ...
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161 views

Ubuntu 14.04 Second Monitor Not Detected through DVI, but detected through VGA cable

I used to connect a 24" monitor to my laptop, equipped with GeForce410M, through HDMI cable. It sometimes had problems with detecting the monitor, but after a restart it managed to detect. Today the ...
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197 views

Ubuntu 14.04 HDMI UDev Rule

I have tried multiple variations to this script but I cannot get it to work. The UDEV Rule fires the script and the script exectutes but simply does not change the audio profile. If I run the script ...
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101 views

Macbook Pro7,1 Ubuntu 14.04 external monitor

I have a macbook pro7,1 and I have just installed ubuntu 14.04. I try to connect it to an external Asus monitor, using a mini-display(thunderbolt) to HDMI wire. I get an error message saying: ...
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72 views

laptop sees two connections when HD TV is plugged, but no image

With Apple Macbook Air 1,1 (Early 2008) and Ubuntu 12.04 with kernel Linux 3.2.0-68-generic-pae, when I connect it to an HD TV via the micro-DVI to DVI (Apple adapter) --> DVI to HDMI (I tried two ...
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209 views

High pitch sound from tv conected to hdmi

Audio does work but there is a high pitched sound coming from the tv when it is connected and selected as sound output via hdmi in ubuntu 14.04. I have not tinkered with any drivers or sound configs. ...
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167 views

Multiple Monitors Detect Add Remove Laptop Auto Change Nvidia X Server Settings

Physical Setup; 4 monitors, 1 laptop, 1 hdmi switch box, 1 graphics card used for all 4 displays. Monitors listed in nvidia x server settings as; CRT-0, DFP-1, DFP-3, DFP-4. Short description of ...
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309 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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382 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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148 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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766 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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837 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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194 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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228 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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177 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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1k 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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234 views

external laptop monitor stays black after screensaver powers it off

I have a Dell XPS 14 with two HDMI outputs and two external monitors. I'm running 12.04, fully updated as of 2014-05-26. Here's what xrandr -q reports: xps% xrandr -q Screen 0: minimum 320 x 200, ...
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448 views

Nvidia HDMI sound and Logitech Headphones not working in 14.04

There is no sound going from the HDMI port on my Nvidia card to my tv that I am using as a monitor. When I use my Logitech Headphones, I hear no sound either. Does anyone know how to rectify the ...
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113 views

Dual External Monitor Bumblebee/Nvidia (or withoout Bumblebee)

I have installed and configured Bumblebee on my Dell XPS 17 with an Nvidia GT555m. I would like to use my two external monitors with the laptop closed, but it's giving me all sorts of difficulty. Is ...
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665 views

HDMI / DisplayPort audio at wrong bitrate (audio too high and fast

I am trying to play audio from an Ubuntu 14.04 Dell Precision M3800 through a Dell U2414H monitor; the monitor has HDMI and DisplayPort connectivity and has an audio out feature; it can supply ...
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179 views

Ubuntu 13.10 to LG TV via HDMI

I am unable to connect a Ubuntu 13.10 box to a 55 LG LED 1080p 240 HZ smart tv (model #55LAS400) via HDMI. Sometimes I just get a green screen on the TV or other times it won't recognize the TV at ...
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516 views

Detecting HDMI wiring

I have been trying to get HDMI output to work on my laptop which has Intel HD 4600 and NVidia K2100M for graphics managed by bumblebee. 00:02.0 VGA compatible controller: Intel Corporation 4th Gen ...
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208 views

Xubuntu 13.10 (Kernel 3.11.0-18-generic) No HDMI Sound

I am a complete noob to Xubuntu. I have been trying all day to get HDMI audio to work, I have a Radeon HD 6800 using a HDMI to TV and I can not do it at all. It shows up in PulseAudio Volume ...
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65 views

xrandr - LDVS1 detected but doesn't actually exist

I have a PC-Mini with one DVI output -- and nothing else. When I check xrandr I see this: LVDS1 connected (normal left inverted right x axis y axis) 1024x768 60.0 + 800x600 60.3 ...
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62 views

zbox nano ad-10 no HDMI audio 13.10

I am at my wits end. I have spent uncountable number of days following all possible solutions found through Google to no avail. aplay -l provides the following card 0: Generic [HD-Audio Generic], ...
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316 views

Sound on Intel NUC kit DN2820FYKH

As per recommendation, last week I installed the daily ppa for pulse audio and tonight I did a dist-upgrade which gave me a new kernel and this killed sound on my ubuntu. I cannot open the device ...
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164 views

HDMI output on Dell l502x with Ubuntu 12.04

This is yet another post about getting the HDMI output working on del xps l502x. I have got ubuntu 12.04 LTS with bumblee. I running my monitor via the mini display port, but the trouble is getting ...
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284 views

Can't get HDMI out working on Lenovo G560

Can I get Dolby To My PC but no on HDMI out please (our DTS whatever) On Lenovo G560 xrandr: Screen 0: minimum 320 x 200, current 1366 x 768, maximum 32767 x 32767 LVDS1 connected primary ...
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821 views

Getting HDMI out to work on Precise with AMD hybrid graphics

I am the (unlucky ?) owner of a Dell Latitude E6440 (http://www.ubuntu.com/certification/hardware/201306-13687/) with AMD hybrid graphics (intel + Radeon HD 8690M). I have installed Ubuntu and the ...
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147 views

How to fix: too short external monitor's resolution after HDMI reconnect until reboot?

Is there a way to force the system to always set the same resolution for specific display regardless to anything? I am working on a notebook with external monitor via HDMI and experiencing the same ...
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48 views

USB Audio Interface not listed after installing nVidia drivers

After installing nVidia additional drivers (319) my Fast Track Pro soundcard suddently disappeared from the list of the devices in the "sound" settings window, the thing is when i excute "aplay -l" ...
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384 views

HDMI not detected after update in Ubuntu 13.10

I'm running Ubuntu 13.10 and for some reason when I restarted my computer my hdmi stopped being recognized. What's going on and how do I fix this? Here's my output with lspci -v -s 00:02.0 00:02.0 ...
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131 views

Cannot switch to HDMI output

When I installed Ubuntu I had to disable my graphics card (Radeon 6570) and work off the integrated one because Ubuntu did not have the proper drivers for the graphics card. When I installed Ubuntu I ...
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1k views

HDMI sound not working on 13.04 kernal 3.9.4 : (oem-audio-hda-daily-dkms ?)

As reported by many others, HDMI audio does not work for me in 13.04. It does not even show up in the Sound settings. I have tried upgrading the Kernal 3.9.4 I have tried updating my nvidia graphics ...
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3k views

No sound through TV when connected through HDMI to Lenovo desktop running Ubuntu 12.04

I know this is a common problem and I've been reading related questions, but none have helped me so far. Please help if you are able. it's been a week and still no progress on my own attempts to ...
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738 views

Analog audio recognized by ALSA, but not by PulseAudio

I'm running Ubuntu 12.04 on Zotac ID84 sudo aplay -l: card 0: Intel [HDA Intel], device 0: ALC892 Analog [ALC892 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: Intel [HDA Intel], ...
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488 views

HDMI works only after restart

I connect additional monitor to my laptop by HDMI. System detects second display only after restarting. xrandr command result without restarting computer: /$ xrandr Screen 0: minimum 8 x 8, current ...