Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [hdmi]

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

2
votes
1answer
56 views

Ubuntu 18.04 Built in Audio no longer working

I tried using hooking my laptop up to an external display through HDMI and now the built in audio does not work. I can still get audio through the audio jack. pavucontrol shows that audio should be ...
0
votes
0answers
9 views

Troubleshooting Motherboard Video Out with Ubuntu 18.04 (Gigabyte Z170X-UD3)

I am using a recent (fresh) install of a Ubuntu 18.04 on an i7 6700k in a Gigabyte Z170X-UD3 Motherboard and a GTX 1070 as the GPU. Using the Nvidia GPU I am able to get full functionality from both ...
0
votes
0answers
37 views

Lenovo p52 with Ubuntu 18.04 issues

I just received my new Lenovo p52 and I quickly installed the Ubuntu 18.04 LTS on it but I have some issues. I will list them below: on screen lock I can't get it to unlock. Hard reset with the ...
0
votes
0answers
12 views

HDMI display not working, DVI works fine

My graphics card is an Nvidia gt 1030, with two monitors: one hooked onto the DVI port (works fine), and one on the HDMI port (black screen). Currently using the nouveau driver, but I have had the ...
0
votes
0answers
23 views

HDMI not being read

I had HDMI working few days ago. Just today HDMI failed on me and I am completely oblivious to what to do. I have tried several things but didn't try everything. Both the Screen and the HDMI cable are ...
0
votes
0answers
26 views

Ubuntu 18.04 see second monitor but no actual video shows on it

After I updated from 16.04 to 18.04 my dual screen setup has stopped working. I have two monitors, one connected from hdmi and one connected from vga. Both are connected straight from the ...
0
votes
0answers
21 views

Can I boost the HDMI signal on an Intel UHD620?

I have a problem with my laptop which I suspect to be caused by lack of signal strength on the HDMI port. When I connect the laptop to an external device via HDMI, that external device might blank for ...
0
votes
0answers
26 views

Extended Second Monitor not Detected

I'm about to switch to Ubuntu from windows and when live booting, my second monitor is not detected. My setup includes a monitor connected to a dock using an hdmi cable which is then connected to my ...
1
vote
1answer
58 views

How do I get the Sidebar (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, ...
0
votes
0answers
19 views

(Kubuntu 18.04) HDMI to AVR Sound Problem

so about a week ago I decided to replace my AUX sound output (to old computer sound system) with S/PDIF 5.1 or HDMI 5.1 output to my AVR (Pioneer VSX-527). Eventhough I have googled quite a lot in ...
1
vote
0answers
29 views

HDMI not working on Ubuntu 18.04 Acer Swifft 1

I have been running Ubuntu 18 on an Acer Swift 1, but the HDMI port does not work. If I run xrandr, I get HDMI-1 disconnected (normal left inverted right x axis y axis)
1
vote
1answer
43 views

Xrandr shows HDMI1 disconnect w/ HDMI2 as primary with only one monitor

I'm unsure why the output of Xrandr is showing that HDMI1 as disconnected and HDMI2 as connected primary. There is only one monitor and one HDMI port in my current setup. As per the snippets below, I'...
0
votes
2answers
43 views

NUC7 either no sound or no video

I have bought a NUC7PJYH with UHD605 graphics because our new 50" UHD tv was to big a mouthfull for my old Acer Revo 3610 with Nvidia ION as a Mythtv frontend. I installed Xubuntu 18.04 and Mythtv-...
1
vote
0answers
59 views

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 ...
0
votes
0answers
18 views

Keep windows and audio on 3rd monitor when 3rd monitor is powered off

I have two monitors as well as a large TV. The display TV shows camera feeds as well as a monitoring and statistics app. I do this by dragging the applications over to my 3rd desktop. Using pulse ...
0
votes
1answer
74 views

Dell XPS 13, Ubuntu 16.04, problem with Adapter DA200 i915 [closed]

I have a problem with the Dell Adapter DA200 with my Dell XPS 13. The OS is Ubuntu 16.04, kernel 4.15.0. I installed the patch for i915 usbc (https://bugs.freedesktop.org/show_bug.cgi?id=93578&dgc=...
0
votes
0answers
25 views

Inconsistent audio over HDMI on Ubuntu 18.04 (possible codec issue?)

I seem to have a very strange problem- I have a Dell Latitude E6320 Laptop. This machine seems to be supported very well by Ubuntu. The problem that I am running into occurs with specific MP4 video ...
3
votes
0answers
54 views

HDMI disconnected in 18.04

After upgrading to 18.04 HDMI output is no longer working. Seems as if HDMI is disconnected. How to make 18.04 connect and reestablish output through the HDMI connection on the computer. Used to work ...
0
votes
0answers
27 views

Ubuntu Budgie 18.04.1 - Controls dissapeared when on docking station

Just installed Ubuntu Budgie 18.04.1. When connecting to the TV using docking station the controls (top bar and plank) are gone. Background, mouse and keyboard are OK. This is Dell Latitude e5440. ...
1
vote
0answers
44 views

Ubutnu 18.04 dual monitor issue

I have a laptop (Ubuntu 18.04 + cinnamon) and I connect a monitor with HDMI to it so that I'm using dual screen view. I move several windows to the monitor and then unplug the monitor (all the ...
0
votes
0answers
22 views

Audio working 16.04 but not 18.04.01 how to transfer

Got this intel pc stick with a original ubuntu 16.04 desktop delivered by the manufacturer. When I install a fresh 18.04 Bionic desktop audio is recognized as Intel HDMI but not working (analog output)...
0
votes
0answers
76 views

Ubuntu 18.04LTS No display on TV or laptop, connected by HDMI

With previous versions of Ubuntu (I think 14.10 was the last one I had used until very recently) I remember having to select "mirror screen" and also change audio output to play stuff on my tv screen. ...
0
votes
0answers
36 views

Ubuntu 18.04lts - several problems - high compiz CPU, HDMI port not working, etc

So these problems have been occurring for a while, but I have been far too busy to do anything until now. After I updated from Ubuntu 16.04 lts to 18.04 lts these things all started. Here are a list ...
0
votes
0answers
32 views

Tinkerboard's HDMI port is not working

I've burned Lubuntu 16.04 from ELAR-Systems. Tinkerboard is booting and I could connect through ssh and xrandr gives the follwing output - Screen 0: minimum 320 x 200, current 1366 x 768, maximum ...
0
votes
1answer
39 views

No audio output from laptop (or headphone jack) if TV connected via HDMI

I've just installed Ubuntu Mate 18.04.1 on my laptop (Asus X555UB) alongside Windows 10 (dual boot). I'm using the laptop connected to a TV via HDMI. The audio output from the TV works fine if I ...
0
votes
0answers
59 views

Samsung UE590 4k monitor DisplayPort + Ubuntu 18.04 black screen before log in screen

I have a bit of a weird issue here. Let me know how I can make the description more useful (perhaps some log, not sure which one and how I would give it to you, because the problem is before the log ...
0
votes
0answers
34 views

Speaker not working after using HDMI

So, I've tried to use my laptop (Asus GU501) to watch a movie on my TV through the HDMI cable, but Ubuntu 16.04 bugged (something related to graphics configuration; a dialog box with a black screen) ...
1
vote
0answers
37 views

No picture/sound on external screen on ubuntu 18.04

Running kubuntu 18.04, external screen (Toshiba TV) connected through HDMI cable. Ubuntu recognizes external output, acts accordingly, but does not display picture on the external screen (laptop ...
0
votes
0answers
306 views

HDMI problem with monitor, Ubuntu 18.04.1

I have a problem using Ubuntu with an external monitor. Every time I connect it to my HDMI port the image in the monitor starts blinking, as if it can't find a correct resolution. This never happened ...
1
vote
1answer
43 views

Asus X551ca HDMI resolution

I have an X551CA laptop and an ASUS 2K monitor. I can connect the laptop and monitor, all works well, but my max resolution seems to be 1920x1080. Any suggestions/advice on how to get the full 2K? ...
1
vote
0answers
11 views

Monitor loses my desktop on F7 - how do I reconnect from F1 shell?

I don't exactly know why this happens, but when I run XFCE4 with a normal monitor, I lose the desktop if I unplug the HDMI cable. When I plug it back in, the screen is blank. All the apps are still ...
0
votes
0answers
6 views

Install updates during boot / prior to LXDE

I'm running Lubuntu 16.04.05 on a desktop with an Nvidia GeForce GT730 with an extended desktop (VGA primary, HDMI secondary). Runs flawlessly for me 99.9% of the time, however when a Kernel upgrade ...
0
votes
1answer
36 views

High Pitched Whine Sound from HDMI port2 speakers

My issue is that I am getting a high pitched noise from my speakers. When I connect my laptop to my Toshiba 32L2300U and then play any form of audio or dial the volume bar, I will hear a high pitched ...
0
votes
0answers
215 views

Post 18.04.1 upgrade dual monitor not working

PROBLEM SUMMARY: Upgraded from 16.04 to 18.04 and 2nd monitor, HDMI, does not connect. I've used Ubuntu for 10+ years, am Linux certified, but I've never had a problem this obtuse. The possible video ...
0
votes
0answers
25 views

How can I add a HDMI port to my PC running Ubuntu 16.04?

My PC doesn't have a HDMI port. Would like to add one so I can display video from my PC on my TV. Bought a card that provides the port but the software that came with it is for Windows. Am running ...
0
votes
0answers
8 views

after HDMI disconnection the laptop colors gets darker

Whenever I connect my laptop to the screen through HDMI cable all the colors on my laptop gets darker after disconnecting, most of problems I found googling was about washed-out colors during the ...
0
votes
0answers
7 views

Fix wrong redirected audio streams when disconnecting HDMI

When I use HDMI to get video and audio to my projector, I go into the gnome-settings to redirect the audio via HDMI. And this works. I can also switch back. A Problem occurs when I switch off my ...
1
vote
0answers
85 views

Ubuntu 18.04 won't detect external HDMI monitor?

The external monitor is connected via HDMI, but it's not detected. Xrandr output: xrandr: Failed to get size of gamma for output default Screen 0: minimum 1366 x 768, current 1366 x 768, maximum ...
0
votes
0answers
47 views

Ubuntu 18.04, session log out when monitor is turned off

I'm trying to setup a HTPC using Ubuntu 18.04 and MythTV. I was able to finally get MythTV working but when I turn the TV off (using a Sony TV as a monitor), I seem to be logged out, and MythFrontend ...
2
votes
1answer
56 views

How do I edit PulseAudio configuration through a script?

I have connected TV to my PC thru HDMI port. Every time I turn on my PC i need to change in pavucontrol (in config tab) from (HDMI) to (HDMI 3). I wish to make a bash script which can change it for me....
0
votes
0answers
19 views

External Monitor Won't Work

I have a monitor (HP LA2206xc) that I'm trying to connect to my computer (with HDMI). The problem is it doesn't show up in the displays control panel. I've tried getting around the problem but haven't ...
0
votes
0answers
71 views

No sound in Lubuntu

So, I installed the newest Lubuntu on a little mini-pc I bought. Processor: CPU: Intel Atom x5-Z8350 Processor Base Frequency:1.44 GHz Burst Frequency: 1.92 GHz Cache: 2 MB Number of Cores: 4 I am ...
0
votes
0answers
14 views

Turning on hdmi display reconfigures my desktop despite it is disabled

I've two Samsung SyncMaster 226BW monitors and a LG smart TV connected to my nvidia GForce GTX 760 graphic card (MSI N760 TF 2GD5/OC). I've upgraded my O.S. to Ubuntu 18.04.1 Desktop x64. I use the ...
0
votes
1answer
148 views

Why Won't External Display Work in 18.04?

I'm using a Dell XPS-13-9360 laptop (no external drivers needed or detected, according to Ubuntu), connected to a TV through a Thunderbolt to HDMI adapter. I'm getting sound through the HDMI cable, ...
0
votes
0answers
15 views

Setting scale for ONLY the connected display

I have a Lenovo P51 with Ubuntu 18.04. When I set the scale for the attached Dell monitor, the scale for the laptop display is also adjusted to the same setting. Is there a way to set the scale only ...
0
votes
0answers
36 views

HDMI cable stopped working in 16.04

I am using Ubuntu 16.04 in a laptop. I was using a shared screen with another monitor for work. Suddenly, when I turned on the system, HDMI is not working. If I connect the cable with monitor, the ...
1
vote
1answer
27 views

Remove extra screens from CLI

I'm currently having an issue installing 18.04.1 from USB on a Zoostorm 7270-8006 Ultra Small Form Factor PC. I can boot into the Ubuntu installer or the "Try Ubuntu" mode and get the desktop with ...
0
votes
0answers
205 views

Screen flickering through HDMI on Ubuntu 18.04

I am having problems connecting external monitors through HDMI. The screen is flickering horribly, going on and off (no signal) unexpectedly, sometimes just stays blank. I am using the recommended ...
0
votes
0answers
254 views

drivers for Intel Graphics 620 on Ubuntu 16.04

I'm using Ubuntu 16.04 on a Dell Latitude 5480 which has Intel HD Graphics 620. I first noticed a problem when the HDMI output was not working. The graphics drivers don't seem to be working properly,...
0
votes
0answers
149 views

HDMI output not working after Suspend in Ubuntu 18.04 on MSI GS65 Stealth Thin

After a cold boot HDMI output for an external monitor works fine for a while, however after a power management event like a Suspend, the HDMI output is turned off and will not turn back on. I see ...