Questions tagged [hdmi]

HDMI (High-Definition Multimedia Interface) is an interface for audio/video transmission between devices, such as computers, and displays.

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Disable energy saving settings completely? HDMI signal lost (DPMS and screensaver already disabled)

On my MX Linux XFCE environment I have the problem that after a certain time without interaction after power on the HDMI signal is lost and can only be retrieved with pressing a keyboard key. I would ...
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Can't set the resolution to 1080 on a VGA to HDMI adapter on Debian 10 (Thinkpad X220)

I've tried this : https://wiki.archlinux.org/index.php/xrandr#Permanently_adding_undetected_resolutions Here I was advised on the Debian IRC channel to change the path of the config file to: /etc/X11/...
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With HDMI audio, sound volume control does not work in Gnome-3.38 on FreeBSD-12.1

I have a 2nd Gen Intel Sandy bridge Core i3 system with integrated graphics. I am using HDMI output which is connected to my monitor from where the jack is connected to my 2.1 Logitech speaker system. ...
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How can I change projection settings in Linux from a display less laptop

I have a laptop which has a blank display issue. I am running Linux dual booted with windows 10. I have changed my bios settings, so I can see my bios and everything about boot through the hdmi.. But ...
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1answer
38 views

External monitor through 'HDMI - USB-C adapter' detected, but gives black screen

I've recently bought a new Asus TUF Gaming A15 laptop which has a HDMI and a USB-c port. My setup is as follows: Laptop: Asus TUF Gaming A15 OS: Kubuntu 20.04 Monitor 1: Laptop screen Monitor 2: ...
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Deepin 20 - HDMI not working

I installed Deepin 20 (Community) and HDMI port not working. I've already check ISO MD5 and everything is ok. Also, i tried to install in these following OS and the results are: Deepin 15.10: HDMI ...
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29 views

How do you send/stream AC3/A52 encoded audio via HDMI?

I need my multi-channel (game) audio to be AC3 (or DTS) encoded and sent over HDMI (don't want to bore you with the details). I've tried following multiple howtos, like https://help.ubuntu.com/...
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Debian 10 does not recognize HDMI and problems to switch to Nvidia

Hi I'm having to many problems to connect a Samsung HDMI monitor to my Laptop with Debian GNU/Linux 10 (buster) I've already done reasearch but nothing seems to work. These are my outputs to some ...
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34 views

Configure LCD in Linux kernel to load specific LCD on boot

I have an LCD with its module board connected to my core4418 friendlyARM(embedded). This LCD is connected via a flat (ribbon) cable and not HDMI. When my Linux boots, dmeasg | grep lcd shows this: ...
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tvservice -M command doesn't show any HDMI event changes in Raspberry Pi 3B+

I have a Raspberry Pi 3B+ device running raspbian and it is connected to an HDMI display. I need to monitor HDMI events like unplugging cable or attaching cable. However when I use tvservice -M ...
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How do I get both “Analog Stereo” and “Digital Stereo (HDMI)” to show up in PulseAudio output ports?

As the title states, I'm unable to see both the built-in Analog Stereo and Digital Stereo (HDMI) as output options in PulseAudio. I can change the profile in the Configuration tab and switch between ...
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how to get my AMD GPU to work under debian?

Okay guys i lost all hope to solve this problem. I have a dell m4800 which supports 2 gpu's Intel and AMD m5100. i tried everything to get the AMD GPU to work but with no luck, the main problem is ...
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146 views

HDMI input not detected on Debian 10

I am running Debian 10 Buster on an an hybrid laptop with the following GPUs: $ lspci | grep -E "VGA|3D" 00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 630 (Mobile) 01:...
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size of display connected via HDMI was'nt automatically detected correctly (xUbuntu)

I have xUbuntu 18.04.4 LTS (XFCE 4.12 + 4.15.0-111 Linux kernel) on the Dell Vostro 3360 laptop. When I connected the external display (Samsung SyncMaster T240) via VGA cable - all is good and I got ...
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HDMI monitor not detected on Buster (Lenovo laptop)

I have read and followed suggestions on a few forums, but I am still not able to get my Debian Buster to detect the monitor in the HDMI output (the monitor works on other laptops and on my desktop). ...
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No any microphone and HDMI device speaker are being detected

I have an Lenovo Ideapad 15IKB, with Bodhi Linux, based on Ubuntu, and KDE Plasma, and a wireless headphone. Both have microphones but none of them are being detected. I even tried install the correct ...
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2nd usb audio card - unable to set as default on OdroidXU4 - application still uses hdmi sound

Ubuntu minimal 20.04 LTS running on OdroidXU4. So no desktop environment. root@odroid:~# cat /proc/asound/cards 0 [OdroidXU4 ]: Odroid-XU4 - Odroid-XU4 Odroid-XU4 1 [Device ...
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LXDE destroys session after suspend if HDMI is being used

I'm using Debian 10 + LXDE. Sometimes, very rarely, after turning the PC on after suspend and entering user/password, every application has been closed. After opening then again, they offer to recover ...
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197 views

HDMI audio is pitch-shifted like chipmunk (AMD RX 500 series GPU: RX 570, RX 580, RX 590)

I am a Linux user and have installed a new Sapphire PULSE Radeon RX 580 8GB in my machine and am experiencing audio distortion in the HDMI output from the card. The Linux kernel AMDGPU video driver ...
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404 views

xrandr: Configure crtc 1 failed

I'm trying to connect my laptop to a TV screen via HDMI. Here is the output of xrandr: Screen 0: minimum 8 x 8, current 1366 x 768, maximum 32767 x 32767 eDP1 connected primary 1366x768+0+0 (normal ...
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How to drive an external monitor that does not send hotplug info over HDMI?

Since a few days I have the Dasung Paperlike HD device and after using it for one day I'm afraid the utility that comes with it, did something it shouldn't have done. Hot-plug events First, of all, ...
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45 views

My laptop won't recognise that it has an hdmi output. How do i fix it?

I've seen other topic with similar questions here, but none of their solutions worked and many were quite old already. I am using Kubuntu 20.04. My laptop doesn't recognise that it has an HDMI ...
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Type C to HDMI not working on Linux Mint 19.3 Cinnamon

Has anyone found a solution to this issue? I've recently installed Linux Mint alongside Windows on a Lenovo T480 and while the Type C port works with an adapter to HDMI when using Windows, Linux Mint ...
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140 views

GRUB2 won't use HDMI display

Hi I wonder if you could help me with my grub menu; I'm not able to see it on my HDMI display, and so I end up just booting the default option unless I can remember how to drive it blindly. My display ...
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No HDMI audio output

I have no audio output on an HDMI TV. aplay -l lists the following: **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: ALC285 Analog [ALC285 Analog] Subdevices: 1/1 ...
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2answers
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Second VGA monitor is not being detected

I have 2 Monitors Primary HDMI (Nvidia 1050Ti): Working perfectly fine. Secondary VGA (Intel Motherboard): Blank. sudo lshw -C display *-display description: VGA ...
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116 views

Control DPMS and Blanking with Gnome Wayland Screensaver

Running Wayland Gnome, driving HDMI display, Debian 10 (Buster) I would like to get some control over the blanking and DPMS behavior such that I can lock workstation with a blank screen as opposed to ...
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1answer
947 views

Debian 10 [Buster]: HDMI Input Not detected

OS: GNOME 3.30.2 on Debian GNU/Linux 10 (64-bit) My laptop has no output from the HDMI port. The monitor shows "NO INPUT DETECTED". Previously I had Kubuntu installed and before that I had windows 10,...
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1answer
139 views

How to keep Linux Mint volume media keys and tray volume control working after HDMI switch

Normally, after a recent fresh install of Linux Mint 19.3 x64 MATE on an Acer Aspire E15 laptop, media keys (using Fn+arrow keys on the built-in keyboard, or dedicated keys on an external keyboard) ...
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1answer
176 views

Xrandr doesn't detect HDMI port on the motherboard?

I am running Mageia 4.14 KDE. On a newly installed Mageia system I can't change the resolution for my monitors. I have One monitor hooked up to the HDMI port and other on VGA port. They both come up ...
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40 views

Unable to get higher resolution than 1280x720 with hdmi to dvi dual link

I am unable to get a higher resolution than 1280x720 when I connect my laptop with a second screen via hdmi to dvi dual link connection. These are my specifics : operating system : Linux Mint 19.3, ...
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75 views

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 ...
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20 views

Turning on selinux causes HDMI to not work. How to resolve?

In my ubuntu setup, i've turned on selinux. However that causes the HDMI port to not work? I assume there's a policy in there that stops this, but setting selinux to permissive, the machine still ...
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Graphics card not being used on Manjaro with HDMI

I honestly couldn't think of a better to way to phrase the title of this, sorry, but here's my issue: For a long time I ran Antergos on my desktop with no problem, but the today I've installed ...
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2answers
297 views

Mint 19.3 HDMI port not recognized on Lenovo Ideapad s340

So my lenovo ideapad s340 runs linux mint 19.3 cinnamon 64-bit 5.3.0-28-generic. (Laptop is 3 days old, came with no OS [just BIOS] and I installed mint at first boot up). GPU is Intel UHD 620 (No ...
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328 views

Ubuntu 18.04 Mouse Pointer Blinks when the second monitor plugged in with a USB-HDMI converter

I recently purchased a CableCreation USB-to-HDMI converter to plug in a second monitor. Installed a driver provided here. Mouse cursor blinks badly when on the primary screen, the one pluggled through ...
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338 views

Dual monitor doesn't work on DisplayPort

At first, I thought I had an issue with connecting the second monitor. But I found out that connecting to the second monitor is working through HDMI. It is only the DisplayPort that doesn't work. ...
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HDMI has stopped working on Fedora 29

I have a problem with my notebook. In Fedora 29 when I restart the computer without having a secondary monitor attached to it it loses the HDMI port. I can only recover when I reinstall Fedora. I ...
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176 views

Can't Connect HDMI Port in Fedora 30

I'm currently running Fedora 30 on my 2014 Macbook Pro, trying to connect an external monitor via the HDMI port with no success. I run xrandr -q and get the following output: xrandr: Failed to get ...
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1answer
437 views

Audio to multiple HDMI sinks

I have 2 HDMI monitors connected to my laptop, and both of them display just fine. However, I want to play audio on both of them at the same time as well. I saw this post: How to output unique audio ...
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Debian 9 with Mate does not discover the second monitor

I have a laptop with devices inxi -Fi System: Host: Precision Kernel: 4.9.0-8-amd64 x86_64 (64 bit) Desktop: MATE 1.16.2 Distro: Debian GNU/Linux 9 (stretch) Machine: Device: ...
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1answer
677 views

Adjust backlight via DDC?

I'm looking for a simple way of adjusting an external monitor's backlight using DDC. Something like good-ddc-tool --monitor 0 --backlight 100 that just works without complicating things when a single ...
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Can I configure Linux to use a subsection of my monitor? [duplicate]

I have a monitor that has a defect (red star) in a lower section, is it possible to contain the screen to the section above this defect? I have tried setting the overscan_bottom in /boot/config.txt, ...
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screen resolution issue in centos hdmi

i am using centos7 my system has vga and HDMI port if i connect to vga its working fine but if i connect to HDMI its showing gray screen(grains) but somehow i can change resolution manually first i ...
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2answers
4k views

Second Monitor Is Not Detected On Debian [Buster]

I recently installed Debian 10 and I can not get my second monitor work. This is my xrender output: Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192 eDP-1 connected primary ...
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Is it possible to output sound to speakers over hdmi?

I have a sound bar (Yamaha YAS-107) which has two hdmi ports, described in the manual as follows: HDMI IN jack For connecting an HDMI-compatible playback device such as a BD/DVD player, a ...
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0answers
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Problem with screen resolution when using 2 external screens

I have a problem with the resolution on one of the screens when using 2. This is my system I have tried this. The option shows up in the list of resolutions but can not be applied. xrandr --...
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21 views

WIFI Connection fails when HDMI connects

I switched from Windows to Xubuntu 18.04 LTS a couple of weeks ago. If I connect my laptop to HDMI the download rate sinks to zero and my Internet connection vanishes. The second I disconnect the ...
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1answer
107 views

Losing sides, top and bottom on TV

I do understand this subject gets answered a lot. I have a debian laptop that 1366x768 60.02. Now the TV fits everything if I use the same res. I would like for the tv to run at 1920x1080 30.00* (60 ...
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1answer
666 views

How do I set this HDMI output fix permanent?

I finally found out how to make my Pop!_OS recognize my HDMI for audio. (basically I'm using an ASUS laptop with a 1060 hooked with a monitor, everything was fine except for the HDMI audio output ...