HDMI (High-Definition Multimedia Interface) is an interface for audio/video transmission between devices, such as computers, and displays.
Questions tagged [hdmi]
233 questions
41
votes
2 answers
Auto-switching PulseAudio profiles based on input(s) channel count
I'm running audio over HDMI to my receiver, which has a full 7.1 setup connected to it. However, most of the stuff that I listen to has far fewer channels—some is mono, most is stereo, a bit is 5.1. When the receiver is fed with the right number of…
derobert
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37
votes
1 answer
Sound via HDMI on Arch Linux
I've got my Toshiba laptop (Satellite A300) connected to my TV via HDMI. Using VLC 2.2.6, video works just fine.
Currently, I'm trying to output sound to the TV's speakers.
aplay -l shows the HDMI playback device as the third one:
**** List of…
Matthias Braun
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18
votes
1 answer
Do not manage to activate HDMI on a laptop (that has optimus / bumblebee)
I am trying to use the HDMI output on a PC (HP ZBook) with Debian (stretch). I have configured Bumblebee, it works well (glxinfo and optirun glxinfo report the expected information, and I tested complicated GLSL shaders that also work as…
BrunoLevy
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17
votes
1 answer
Linux Mint - Not detecting monitor connected via USB-C to HDMI hub
I recently bought a laptop (Asus Zenbook Flip) and installed Linux Mint. Now I want to connect two external monitors. Connecting the first through the HDMI port works without problems, but for the second one, I bought a hub that supposedly works…
Chi
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14
votes
5 answers
How to fix error 'xrandr: cannot find output "VGA1"'?
I am trying to enable a HDMI connection to a monitor connected with a HDMI cable to my Lenovo laptop using the following commands.
> xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1600 x 900, current 1600 x 900,…
Alex
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12
votes
2 answers
HDMI connection not recognized on Laptop with Ubuntu 14.04
On a Lenovo Laptop with Ubuntu 14.04 I am not able to display the current screen's stuff on a Monitor connected with HDMI. The HDMI cables are both plugged in to the laptop and the monitor, and the monitor is switched on.
Going to
Systems Settings…
Alex
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11
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1 answer
How do I configure PulseAudio for 7.1 Surround Sound over HDMI?
I have my machine connected over HDMI to a receiver. But when I try to use more than two channels with PulseAudio, I only get two. pacmd list cards shows the card, but does not show an HDMI profile with more than two channels.
I have confirmed that…
derobert
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9
votes
3 answers
HDMI not detected by `xrandr`
There's no output from my HDMI port and my TV shows NO Signal.
My Current OS: Linux Mint 15
Things I have tried with no success:
Change the HDMI cable
Install another operating system ( Windows 7, Windows 8 and Ubuntu)
Tried to connect to a…
Youssef K. Yassin
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8
votes
5 answers
Bash list all display output ports
I am looking for a command which prints all visual output ports a laptops has.
I have searched Stack and Google for a while now but I cannot find an answer.
The closest I got is xandr:
eDP-1 connected primary 1366x768+0+0 (normal left inverted right…
Rob Michiels
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8
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1 answer
Is there a way to add margin, border, offset or padding to the Linux frame buffer text console to compensate for HDMI overscan?
I have a newly bought cheap 8 inch TFT LCD display that is "cutting the edges off" on all sides (i.e., not showing all the pixels). I've come to understand that this is due to "overscan" which seems to afflict mainly TVs using HDMI input.
My kernel…
acker9
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8
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1 answer
HDMI port doesn't work Nvidia/Intel Bumblebee Driver for Laptop with Manjaro Linux
Informations
OS : Manjaro Linux 16.10 (Cinnamon Community Edition)
$ cat /etc/*-release …
noraj
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8
votes
2 answers
Set the screen brightness: xbacklight does not work on HDMI, xrandr --brightness does not stick
I'm trying to set custom screen bindings in i3WM and looking for a way to decrease/increase the brightness on button press. I've tried using the following:
xbacklight -dec10
xbacklight -set 70
xbacklight would work however it does not affect my…
tuxedozombie
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8
votes
1 answer
How to write bash script to configure my displays when HDMI is plugged in or unplugged
I have a notebook running Kubuntu Precise (12.04) which I occasionally use for watching videos. When I do, I plug in an HDMI cable connected to an A/V receiver with an HDMI monitor attached to it.
When I watch videos this way, I still need to use…
Joe
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7
votes
2 answers
How to blacklist a pacmd sink?
I don't want my computer's output to ever change to a particular sink (sometimes the sink switches over on reboot).
I cannot fix a sink to be constant because I want the default sink to change when I connect my bluetooth headset.
This is the sink I…
Pratyush Das
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7
votes
0 answers
check hdmi port status
I have a Asus UN42, the HDMI port seems is not working anymore, no signal is sent through this port, tried different cable. I now use the displayport.
Is there any command to see what the problem is? Something to know the status of the HDMI port.…
rok
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