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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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XPS 9350 won't drive Dell U2711 display over HDMI

I attach my Dell XPS 9350 to a Dell U2711 display using a USB-C to HDMI cable. The laptop detects the display and claims it is sending a signal to it, but the display shows no picture. The relevant ...
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xrandr with second window above, maximising problem

I have a laptop running arch linux with all the latest updates. The laptop has a displayport output. This is connected using a displayport to HDMI cable to the HDMI port on a Samsung HD tv. Display ...
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56 views

No HDMI audio on Linux Mint 19.1 with kernel 4.4

I work with Linux Mint 19.1 installed on thin clients. But I had a problem with the kernel 4.15 (VoIP connected on an Ethernet port doesn't work correctly) so I changed the kernel to 4.4 to solve ...
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71 views

Active graphics card: unknown - no HDMI connection

I have seen similar threads around here but they do not exactly answer my question. Towards the end of last year, my HDMI connection (external screen) did not work anymore on my Linux Mint partition (...
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80 views

Ubuntu 18.04 intel vga hdmi not listed

I have a Lenovo Y530 laptop running Ubuntu 18.04 with Intel graphics and nvidia. When I use nvidia everything is just fine. I can use external monitor and xrandr detects it. When I use Intel I ...
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1answer
46 views

Why is the connected HDMI receiver not detected by PulseAudio?

After connecting my GTX 980 Ti to my Onkyo TX-NR509 receiver via HDMI I have the following situation: nvidia-settings lists HDMI-0 as connected and even shows the name of the receiver. pavucontrol ...
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49 views

How to enable HDMI audio with Nouveau?

Nouveau claims HDMI audio support is done for recent cards, including my 980 Ti. How do I enable it? PulseAudio knows about it: $ pacmd list-sinks 3 sink(s) available. index: 1 name: <...
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1answer
50 views

HDMI Not detected / HDMI Disconnected

I'm running Linux Mint with MATE. My external HDMI monitors no longer work with my single HDMI port. lspci -v 00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b) ...
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1answer
62 views

Arch PC freezes when third screen connects

I have a very strange issue with my Arch Linux install. When a HDMI cable is connected to my graphic card (a GTX 970), my PC won't boot, it only shows a black screen, but it will start if the HDMI ...
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95 views

How to send sound to HDMI port in i3

In other DEs I am able to select between three different sound output media: Headphones jack Internal speakers HDMI port In i3 the sound output shifts automatically between headphones and internal ...
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33 views

detecting monitor wakeup

Context: Debian/testing on a ASRock B450 with Ryzen 2200G, HDMI monitor. In order to reset Pulseaudio default sink I need to know when the monitor comes back from standby so that I can run a script ...
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250 views

No Sound Through HDMI

The problem I have is there is no sound on the HDMI port. I get video, but no sound. aplay -l **** List of PLAYBACK Hardware Devices **** card 0: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0] ...
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1answer
34 views

MPD gives no audio from HDMI on PI-zero

I run MPD on a PI-zero. When configured the audio systen to analog (3.5mm jack) it runs ok. But when changed to HDMI and a HDMI splitter no sound comes out. When using “aplay” or “speaker-test” all is ...
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50 views

HDMI to VGA adapter only working for 800x600 resolution

I have MSI GP62 6QE laptop and LG Flatron W1954s monitor. I want use the monitor as external to right of my laptop so i bought a HDMI to VGA adapter to do it. But the external monitor only displaying ...
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30 views

1440p 120Hz over HDMI 1.4b with chroma subsampling

I have read that running 2560x1440 120Hz in "Y′CBCR with 4:2:2" mode would be able to feed my monitor over a HDMI 1.4b connection. How would I do this from Kubuntu 18.10 (kernel 4.20) while using ...
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54 views

Display freezes when HDMI is not connected

I have an Acer Aspire E 15 on which I installed Archlinux with XFCE as my DE. However, I find that the laptop's display completely freezes as soon as I disconnect the HDMI cable to my external monitor....
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1answer
185 views

Deepin Linux: Onboard HDMI not working (shows only on boot/shutdown)

I have a Dell XPS desktop with Deepin Linux where the onboard HDMI doesn't work (no signal). Based on the Ubuntu collected from Ubuntu, Deeping is not identifying some HDMI ports (uname/xrandr/lshw ...
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1answer
4k views

HDMI port not detected in Ubuntu 18.04

I have recently bought an hp Zbook 15 G5 where I have installed an Ubuntu 18.04 partition. I want to connect it to a monitor, but if does not work. The HDMI port is not detected at all. This is the ...
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1answer
112 views

re-set xfce4-pulseaudio-plugin default after HDMI monitor standby

Context: Debian/testing on a ASRock B450 with Ryzen 2200G, HDMI monitor. I can set the default audio sink either via /etc/pulse/default.pa or manually with this command: pacmd set-default-sink ...
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1answer
66 views

Deepin refuses to use laptop screen without HDMI connected

When I boot Deepin 15.7, it for some reason seems to refuse to show anything onscreen without a HDMI connection - even if the screen's off. NOTE - It shows GRUB, then when I select Deepin and log in, ...
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1answer
882 views

Prevent xrandr scaling from becoming blurry

I am attempting to connect a laptop with a LVDS1 resolution of 1366x768 to a HDMI1 resolution of 1920x1080 (hardware that HDMI1 is connected to is a 4k Samsung TV). I am trying to clone my laptops ...
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1answer
270 views

Debian 9 detects the monitor on the HDMI port but the monitor display nothing

My laptop runs on Debian 9 and I try to have a dual monitor. My first monitor use the VGA ports and works well but the second use the HDMI port and displays nothing. However, the monitor is detected ...
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1answer
104 views

HDMI output broken after Antergos install

After installing Antergos with KDE everything is working fine (as far as I can tell) except my HDMI monitor doesn't work. Instead of rendering anything properly it displays whatever the first image ...
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118 views

Trying to set HDMI RPi3 output in mono with pulseaudio

I'm trying to set my PulseAudio HDMI output on a Raspbian 9.4 in mono because my TV has only one speaker only connected to left channel. By default (in stereo), it works like a charm, but when I set ...
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263 views

HDMI disconnected

I'm new with this system and my HDMI for a Samsung TV is not working? The HDMI was working with windows. All info below: LINUX MINT 19 CINNAMOM VERSION 3.8.6 KERNEL LINUX 5.15.0-24-GENERIC ...
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2answers
395 views

HDMI not showing in xrandr after nvidia modeset=1

I'm running Ubuntu 18.04 on an MSI GE63 Stealth 8RE, with an NVIDIA GTX 1060. There's a good amount of screen tearing when watching videos, and I found several sources online telling me that creating ...
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237 views

gst-launch full screen

I've been using gstreamer on yocto project for playing video on HDMI, but I can't find anyway to play the video in full screen. Command I'm using is gst-launch playbin uri=file:///file/path How ...
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1k views

Ubuntu 16.04 can not recognize HDMI-monitor, but Ubuntu 17.10 can

Currently I am learning how to use Ubuntu, and while I am using Ubuntu 17.10. My HDMI connection to the Acer Monitor works perfectly fine. However, Ubuntu 17.10 has some problems about apt-get ...
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123 views

Blank screen after startup

Once in a while, the screen is blank after I startup my desktop, before login. I generally REISUB and then it works fine. Here are the only relevant lines I found in syslog: Jun 19 21:14:52 bouzin ...
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227 views

How to stream video on HDMI device using ffmpeg

I'm want to take mpegts from udp and out to hdmi using ffmpeg. Command I'm using is ffmpeg -hwaccel vaapi -i udp://<UDP_ADDR> -f alsa hdmi:0 This streams only audio on HDMI and not video. How ...
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1answer
129 views

Reset audio/video drivers and configurations to a fresh state

I recently moved my previous install of Linux Mint 18.1 from a Dell Inspiron to a newly bought Dell XPS 9360, connected to a Lenovo Thunderbolt 3 Dock, which hooks it to all my peripherals and an ...
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1answer
522 views

A monitor connected by HDMI not recognized by Intel HD Graphics

I've just installed a fresh Debian 9.4.0 on a PC with a PRIME Z370-A motherboard (Integrated Graphics Processor- Intel® HD Graphics) and an additional ZOTAC GeForce GTX 1070 graphics card. I'd like to ...
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97 views

VLC aren't open on my TV

The VLC works perfectly on the monitor of my notebook, but when I output the screen to my LCD TV through a HDMI cable, it don't open. Months ago things are working right. Now I can only open VLC ...
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44 views

EDID file not found after mesa update

After recent update of the mesa (18.0.3-3 -> 18.0.3-4) my dual head configuration stopped working, my HDMI monitor only shows either black screen or horizontal lines distorting the image. After ...
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16 views

Partially inactive external display after inactivity

After some inactivity (perhaps long enough for some power management features to start) on Linux Mint 17 parts of my external display (monitor connected to laptop via HDMI) aren't being redrawn ...
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1answer
428 views

Check if HDMI still alive?

I have a laptop (Aspire 3750G) and suddenly after it shut down because of overheat - I can't see my HDMI back. xrandr -q returns me only LVDS-1, VGA-1, and VGA-1-2. I'm using nouveau driver since ...
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91 views

xrandr: Display Desktop on TV

I want to display my dektop (and everything what´s going on on it incl.taskbar) on my TV. So i connected my Linux Mint 18 Cinnamon Laptop via HDMI to my TV and get only the wallpaper on the TV, as an ...
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4answers
2k views

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 ...
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0answers
2k views

HDMI no output in CentOS 7

I bought a new laptop and installed CentOS 7.2 parallel with the original Win10 inside (dual system). When using Win10, I can see HDMI outputs to an extra monitor without problem, but it just shows no ...
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1answer
20 views

Everything tearing other than background image with 3 monitors

So here is my problem: System Info Displays -Display- Resolution : 9600x2160 pixels Vendor : The X.Org Foundation Version : 1.18.4 -Monitors- Monitor 0 : 1920x1080 pixels ...
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1answer
2k views

Set audio output using command line

I use the cmus console music player through ssh on a device with OSMC (Kodi, based on Debian Jessie) installed. My problem is that the sound is played to the HDMI, and I want to play music to the jack ...
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228 views

Is there a way to change sound output in terminal?

I'm talking about this: The thingies arent clickable. Is there a terminal command I can use for a shortcut if not possible from the GUI? I'm either using the in-built speakers or the same HDMI ...
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1answer
71 views

DVI to VGA works, DVI to HDMI doesn't with cheap ebay projector

I have a Chinese projector that has a hdmi input which runs fine with a Raspberry Pi, but with a PC it won't! Using DVI to VGA its fine. Zotac ZT 60404 gpu, Exelvan projector. I've tried various PC's ...
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0answers
4k views

why isn’t my external monitor detected?

I have an external monitor connected thru an hdmi port to the dvi input of an external monitor. The monitor never gets detected. I run ubuntu 17.1 with intel video drivers; lspci -v finds: 00:02.0 ...
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1answer
8k views

Debian 9 doesn't detect monitor in hdmi port

I recently installed Debian 9. It's all ok, the only problem that it's not detecting my monitor in hdmi port. I'm using a Dell Inspiron 15 Gaming Notebook. xrandr Screen 0: minimum 320 x 200, ...
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1answer
421 views

HDMI Projecting: Ubuntu has some issues, Fedora does not. Trying to figure out why

I'm trying (and so far, failing) to find a solution to an issue I'm having. Some context, we have an assortment of different projectors, all HDMI, and an assortment of laptop hardware. The problematic ...
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1answer
775 views

How to configure multiple monitors with DVI and HDMI connections with CentOS 7

I am trying to configure dual monitors on a custom built machine with an Intel i7-7700K CPU, a NVIDIA 1080-Ti GPU, and a CentOS 7 operating system. I have no problem booting with the primary monitor ...
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1answer
1k views

How many audio channels does my sound card have?

I have a GIGABYTE GA-H170N-WIFI motherboard which I'd like to use as a basis for home audio system. It has got two HDMI outputs and 5.1 analog audio output. The question is, how do I find out how ...
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1answer
229 views

HDMI audio stops working after setting drm_kms_helper.edid_firmware

I have the HDMI-to-VGA adapter with the bad EDID. The monitor says "unsupported mode" on the mode that should be supported. The 1600x900 mode don't work, only the 1280x720. The virtual console is ...
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1answer
1k views

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 ...