Questions tagged [hdmi]
High-Definition Multimedia Interface (HDMI) is a compact audio/video interface for transmitting uncompressed digital data.
1,964
questions
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External monitor not detected on Ubuntu 18.04
After upgrading to Ubuntu 18.04, my laptop has been unable to detect/use an external monitor attached via HDMI. Even when plugged in, the "detect displays" button within the default settings app doesn'...
83
votes
6
answers
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Ubuntu refuses to output audio via HDMI
I have my PC hooked up to speakers and a monitor. In addition, it is hooked up to my Vizio 37' LCD Television. When I was on Windows 7, I could choose to output sound via HDMI. I have the choice in ...
83
votes
14
answers
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Changing the screen brightness of the external screen
I have installed Ubuntu 16.04 LTS on my laptop and connected it to an external monitor via an HDMI cable. I can easily change the brightness of the laptop screen but that does not affect the ...
46
votes
16
answers
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HDMI port not detected on Ubuntu 18.04
The HDMI port of my Lenovo IdeaPad 500S with Ubuntu 18.04 LTS is not working.
I also executed the xrandr command, but only the primary monitor is detected.
How can I solve my problem?
How can I check ...
39
votes
4
answers
50k
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Firefox doesn't play audio
To be clear, the audio on my laptop is working just fine. Other applications in Ubuntu play sounds as expected. Firefox, however, won't output any audio through the native speakers or headphones. ...
37
votes
4
answers
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How can I disable an audio HDMI device?
powertop reports that Intel CougarPoint HDMI is 100% active and there are reports that this device consumes a lot of power. If that is so, I would like to disable it as I never use it. Is there a way ...
34
votes
6
answers
47k
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Static and crackling in my HDMI audio?
So, I managed to dual boot Windows 8.1 and Ubuntu 13.04. In Ubuntu 13.04, I installed the drivers for my graphics card(AMD HD Radeon 7700 Series, I'm pretty sure it's a 7790 one and Intel HD Graphics ...
33
votes
4
answers
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How do I get the Ubuntu Dock off the secondary monitor?
I updated to Ubuntu 18.04 a few weeks ago with little to no problems until now. After an update I installed and a reboot, my sidebar (Ubuntu dock) shows on the secondary screen, which is my Laptop, ...
33
votes
9
answers
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No sound on HDMI Ubuntu 20.04
I just installed Ubuntu 20.04 on my laptop which is a bit outdated:
CPU: Intel Core i5 CPU M 480 @ 2.67GHz
RAM: 4GB
Video card: GeForce GT 420M
Audio: GF108 High Definition Audio Controller NVIDIA
...
31
votes
6
answers
41k
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How to remove Nvidia HDMI audio output in PulseAudio?
At each reboot, PulseAudio sets a sink (in my case, "HDMI Audio Output") as the default.
So, at each reboot, I don't hear any sound, and need to reconfigure the default sink each time to "Analog ...
29
votes
5
answers
26k
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Set HDMI sound output automatically on connect/disconnect
I have a dual screen setup on my laptop (using 12.04 LTS) using a HDMI connected display. Everything works fine, but everytime I connect/disconnect the cable I have to go to Sound preferences and ...
28
votes
3
answers
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Ubuntu command line to change input source on a display monitor?
I have two PCs connected to Dell U3415W monitor, one with ubuntu 14.04 LTS OS with HDMI input and other with windows 10 with DP input. What I want to do is toggle between these two input sources ...
27
votes
6
answers
74k
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ubuntu 20.04, second monitor on hdmi port not detected
It seems to be a common issue but I could not find a solution.
just clean installed Ubuntu 20.04 Desktop and updated it with the "Software & updates" tool.
PC:HP ProDesk 400 G4 Desktop-Mini-PC
...
27
votes
11
answers
33k
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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 ...
25
votes
5
answers
72k
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HDMI is not displayed in the "Sound" settings on Ubuntu 14.04 LTS
I need some assistance, I have 2 laptops, a Toshiba and a DELL XPS M1330, the problem is using my DELL laptop, when I use the HDMI cable to use the TV as monitor the display works fine however the ...
23
votes
3
answers
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Amazon Prime videos play, but not in HD, citing HDCP error (HD Videos Unavailable, HDCP)
On Windows it works fine with this setup, so it's an Ubuntu issue. I am running HDCP capable HDMI cables to an HDCP capable TV as a dual monitor from an HDCP capable graphics card.
21
votes
12
answers
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HDMI/VGA connection cuts borders of screen or creates blurry text
Ok this is an extension of another problem I had with a VGA connection and an Nvidia Geforce GT 440 card. The question has been updated to include other problems related to HDMI Video and also since I ...
21
votes
1
answer
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Ubuntu 16.04LTS extended display not working
I recently upgraded my system from Ubuntu 15.10 to 16.04LTS. But after the upgrade, my extended display is not being detected. I am connecting the second display through an HDMI port. I even tried ...
21
votes
3
answers
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Is it possible to automatically switch to HDMI sound output? 13.04
I've seen a few similar questions however couldn't find a solution and they were all a few years old.
When I plug my laptop into the TV HDMI port I have to manually go through the sound options and ...
20
votes
2
answers
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Display on HDMI doesn't wake up
I just got myself a beautiful 27" WQHD display. It is connected to HDMI (no VideoPort) and works great showing 2560x1440 @ 60 Hz.
There is a problem however. When it goes to sleep/I turn the monitor ...
20
votes
1
answer
11k
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Switch between internal and HDMI speakers automatically
You know how when you plug headphones into your laptop's aux jack, the internal speakers are automatically muted and the sounds comes out of your headphones? I want exactly that for HDMI.
I connect a ...
19
votes
2
answers
21k
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No sound on chrome (Only) after using an HDMI cable
I used a hdmi cable to broadcast some youtube content to my tv (using chrome). I had to change the sound output from "speakers" to "hdmi" to have it on the tv.
Now, there is no sound on my computer ...
18
votes
5
answers
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Sound stopped working after using HDMI
So a couple of days ago, I had my laptop hooked up to my tv via HDMI. I used pavucontrol to disable sound on my laptop and play it through the tv. I changed it back when I was done. Can't remember if ...
18
votes
11
answers
110k
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Installed Lubuntu 16.04 version no audio now
I just installed LUbuntu 16.04 onto my laptop, which is a HP Pavilion G6 series, AMD Processor, and it does have an HDMI port. I can't seem to get audio or any sound at all to come out of my laptop. I ...
18
votes
4
answers
14k
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How to disable monitor auto configuration?
Im running Ubuntu 16.04 (dev branch), XFCE as desktop environment.
My computer is connected to two monitors. One via regular VGA cable and the other
is connected to a HDMI Switcher. That setup works ...
18
votes
2
answers
30k
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Forcing grub menu to external monitor connected to laptop via HDMI/VGA
Is there any way to force grub menu to show it's content in external monitor (for selecting the os to boot on win or ubuntu), I use my laptop more like a desktop with a monitor connected to it because ...
17
votes
5
answers
26k
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HDMI sound not working after upgrading to 20.04
After upgrading to ubuntu 20.04 the hdmi sound stopped working. If I select headphones as audio output they work well, but if I change to HDMI output it doesn't work.
Also I noticed that when I ...
17
votes
2
answers
27k
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How can I change audio output to HDMI from command line?
Backstory
This thread suggests pacmd list-sinks and switching to a different sink with pacmd set-default-sink "SINKNAME", but my laptop only appears to have 1 sink, so that didn't help me.
This ...
17
votes
2
answers
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Disable sound through HDMI permanently
I'm running Ubuntu 10.10 on my laptop using an external monitor. The monitor is connected by a HDMI cable. The external monitor does not have boxes, it does have an audio exit for a headphone/.. .
...
17
votes
3
answers
2k
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No HDMI video after suspend on Intel NUC6i7KYK
I have the latest Intel NUC, NUC6i7KYK (specs here), running close to stock Ubuntu 16.04. Its monitor is hooked up via HDMI.
When it wakes up from suspend (S3), it never wakes up the display. The ...
16
votes
3
answers
22k
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Turn Monitor Back On after xrandr
I keep my Laptop PC always connected to my HDMI tv. When I am watching a movie on the tv, i use the command xrandr --output LVDS1 --off to turn my laptop screen Off (it is annoying to see the movie on ...
16
votes
2
answers
10k
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Why can't I set a default output audio device in Ubuntu 19.10?
My laptop with Ubuntu 19.04 detected and set my HDMI output on every boot. But since I upgraded to 19.10, I need to set it manually every boot as follows:
From
to
I already tried every single ...
16
votes
1
answer
81k
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How to connect computer to tv with hdmi?
I am trying to connect my laptop with my tv using an hdmi cable. It has worked with an vga cable, but my problem is that the screen does appear, but it freezes and nothing happens. The screen is also ...
16
votes
3
answers
26k
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HDMI1 is disconnected
I'm trying to get a secondary monitor working with my laptop. I'm running Ubuntu 16.04 LTS. I have Windows 10 installed on the same laptop and it works in Windows 10. Currently xrandr -q outputs:
...
15
votes
7
answers
65k
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Unable to get audio through HDMI connection to TV with Ubuntu 14.04
I'm having trouble getting audio through my TV which is connected via HDMI. The item is available (HDMI / DisplayPort 2) via sound settings, but it doesn't play any sound. I'm able to get the volume ...
15
votes
5
answers
35k
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How do I get HDMI output working on a Dell XPS 15 L502x?
Recently I've bought my dream's notebook, a Dell XPS 15 but since then this dream became a kind of endless nightmare.
I'm almost getting crazy to make my graphic card driver work properly, but it ...
15
votes
5
answers
27k
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External HDMI display detected, but not working
I am using Dell XPS 13 9360 with Ubuntu 16.04. It does not have a HDMI slot, so I have a USB-C-to-HDMI adapter, which is then connected to my monitor: DELL S2240L.
In System Settings > Displays, I ...
14
votes
9
answers
35k
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HDMI recognized as "unplugged", after installing drivers
So I'll start by explaining my situation.
I actually have had my current installation for some time now (Though I upgraded from 14.04 to 16.04), and the computer I used is an inexpensive one I bought ...
14
votes
2
answers
19k
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jackd does not work, aplay -l shows two instances of the same card (Ubuntu 13.04, HDMI audio only)
I'm on Ubuntu 13.04, using a ZaReason Zini, which as far as I can tell has no audio output other than its hdmi port. I'm trying to get the Clojure library Overtone working, and ran into the problem ...
13
votes
1
answer
7k
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Sony Vaio FW350 reboots instead of waking up after sleep/suspend
After I suspend and try to wake up my laptop it just automatically reboots every time. I had this problem in 11.04, but it happened occasionaly. Now I'm with 11.10 and it occurs every time.
It is a ...
13
votes
7
answers
55k
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External monitor recognized but getting "no signal"
I'm running 12.10 dual booted with windows 7 (nvidia optimus). I have no idea what might be wrong because:
the monitor works on windows
it worked on ubuntu for over a year and even now the splash ...
13
votes
3
answers
27k
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xrandr -- how to find the correct RGB full spectrum output command for my system
I have just hooked up my laptop to an external monitor after a "spillage incident" foobared the built-in display. However, when I connect the monitor via an HDMI cable the colours look extremely ...
13
votes
2
answers
11k
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How to play full screen video on second monitor?
I have two identical monitors, and when playing a full screen video on one of them using the default player or VLC and then working on the other monitor - the top bar and the launcher appear above the ...
13
votes
4
answers
18k
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Auto-switch audio to HDMI when HDMI monitor/receiver plugged into laptop
I have a laptop with an HDMI port. While we're homeless and staying with friends I've been plugging it into their surround sound receiver with an HDMI cable. To get sound working I have to open up the ...
13
votes
1
answer
52k
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Ubuntu does not recognize HDMI port [closed]
I am running Ubuntu (elementary OS) connected to a normal monitor which works fine. I am now trying to connect it to a TV through HDMI port, but the TV is unable get any signal. Please help me out.
...
13
votes
1
answer
4k
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USB-C to HDMI Cable issues in Ubuntu 16.10 and 17.04
I'm trying to use a USB-C to HDMI cable (not adapter) to connect to an external monitor with no luck. The display is detected, can be selected, and displays video but the video is not displayed ...
13
votes
2
answers
8k
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Missing HDMI audio output(device unplugged), NVidia audio card not detected
My ALSA information is located at:
http://www.alsa-project.org/db/?f=85ca372146c77ccef3fd60151d30fb86dd6c2dcf
Introduction:
I'm running Ubuntu 16.04 with an NVidia chipset 'GeForce GT 525M'.
I've ...
12
votes
7
answers
17k
views
Switching to HDMI Audio when HDMI is plugged into a laptop (14.04)
I'm trying to get my laptop to switch the audio to HDMI when it's plugged in, and back to standard analog when it's removed.
I set up a udev rule to trigger a script to perform the switching, ...
12
votes
9
answers
13k
views
HDMI Audio stops after TV turned off
After the 12.04 Update my HDMI audio stops working anytime I turn off my 2nd monitor(plasma TV). Graphics card is a Radeon 6800 which has DVI out to 1st monitor, HDMI out to receiver which the TV gets ...
12
votes
1
answer
33k
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No sound on HDMI with Radeon driver
My PC has a build-in VT1828S chip. The connection between PC and monitor (which has built-in speakers) is through an HDMI cable.
Audio preferences shows 2 devices for audio output: analog stereo and ...