Questions tagged [external-monitor]

Secondary monitor that is connected to a device with an embedded monitor such as laptops.

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Ubuntu 18.04 Dual Monitor Gnome Crashes

I installed Ubuntu 18.04 on my Dell Inspiron 13 ( Tried an upgrade from 16.04, didn't succeed, then reinstalled without data loss ) Here is what happens - Switch on / Login to Gnome ( x11 ) with an ...
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Automatic/learned window placement when second screen is added

I noticed that when I move a window to another screen and run it full screen (probably also if not), then remove the screen, then add the screen again, the window will move to the additional screen ...
Sebastian Stark's user avatar
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Image broken with 4 monitors, but everything works with 1,2 or 3

I have a macbook pro 2015 set up running linux natively. Through this I have 3 monitors plugged in. 2x Thunderbolt 1x HDMI 1x Laptop Monitor. If I have 3 monitors the image is as expected. However ...
Jamie Hutber's user avatar
2 votes
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870 views

Reduce brightness on external monitor in Wayland in 17.10

I used to be able to control the brightness of my external monitor using xrandr. How do I do this with Wayland? The brightness control in the upper-right corner does not do this. /sys/class/backlight/...
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Failed to build EVDI installing DisplayLink driver

I have a serious issue when installing a DispalyLink driver, specifically a Dell DA100 Adapter, on my Dell XPS 13 9360. I downloaded and unpacked the Displaylink driver from the official website. Then ...
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Ubuntu freezes randomly when (un)plugging external monitor

I have a Lenovo notebook with an Intel Core i5-4200U CPU and an Intel HD Graphics 4400 GPU. When an external monitor is plugged or unplugged, sometimes the system crashes. But it seems random for me. ...
Steven X's user avatar
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1 answer
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How do you permanently add a resolution on a laptop with Ubuntu 14.04 for a secondary monitor connected with a VGA cable?

I found these answers, but they're old and I wonder if there are any new solutions for this. This answer says add xrandr commands to /etc/gdm/Init/Default. How to set the monitor to its native ...
Zephram's user avatar
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Kubuntu 16.04 no primary screen on laptop when external screen is unplugged

In short: When I set the primary screen to my internal laptop screen, ubuntu uses the external monitor as primary screen and vice versa. When I unplug the external screen, I have no primary screen ...
vera's user avatar
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Dual monitors setup (embedded + external) doesn't work properly

I have very unfortunately bought a Asus Zenbook UX501 laptop. The laptop itself is very good but the Linux support is killing me (all is fine on Windows 10)... One of my big issues is the terrible ...
ddidier's user avatar
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Problem with external monitor (mini DP)

1) After upgrading to Ubuntu 16.04 the system couldn't find my external monitor, wich is connected to the mini DisplayPort via a HDMI-adapter. When I go back to kernel-version 4.2.0-23, it detects ...
brani's user avatar
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Ubuntu 16.04 with external 2560 x 1440 often blacks out

I have installed ubuntu 16.04 on my laptop. When I connect it over hdmi to dell 25" 2560 x 1440 screen, it sometimes blacks out the screen. I could not find a certain trigger, but it often happens ...
user1299412's user avatar
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247 views

Would a firepro m4000 work on 16.04

I have a laptop with a firepro M4000 graphics card. On 15.10, I've had no problems, but when I tried 16.04 (at various stages, the last time was a week ago), I can only get my laptop monitor to work ...
Smintheu's user avatar
2 votes
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495 views

External monitor not going to sleep (MATE 15.04)

System : Ubuntu MATE 15.04 Machine : Toshiba Radius P55W-C5200 External monitor : Lenovo 23" IPS LED HD uname -a 3.19.0-25-generic #26-Ubuntu SMP Fri Jul 24 21:16:27 UTC 2015 i686 i686 i686 GNU/...
Pedro Vicente's user avatar
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Random Missing Characters on Ubuntu + Unity + External Display

Every time I try to use an external display with my HDMI port I'm having random missing characters on the applications and menus like this: Video card on my system: 00:02.0 VGA compatible ...
arthos4g's user avatar
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523 views

External monitor's resolution too small with 14.04 via HDMI

My DELL 27inch monitor should be capable of 2560x1440 resolution. I've confirmed with Ubuntu 12.04 NVIDIA with DVI connection. Now on 14.04 Intel® HD 4600 with HDMI, the maximum resolution I see is ...
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LVDS connect Issue. ( If VGA connect. LVDS off )

I have very hard problem. And I don't solute haven't found a solution for this problem while for 3 weeks. Now tested OS ( ubuntu 14.04, ubuntu 12.10, ubuntu 12.04) same problem. Physical connected ...
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2k views

Problem with external monitor

Since yesterday I have weired problems using my external monitor (Benq 19" connected via DVI over DVI->HDMI cable and HDMI->Mini DisplayPort-Adapter) with Ubuntu 14.04. Until then I could use this ...
DanK's user avatar
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External display is being overlapped by laptop display. Blue edges

I seem to be having difficulty setting Ubuntu up to run on an external monitor for use as a HTPC/XBMC box. No matter what settings I apply I am unable to have the laptop display remain in a position ...
user263718's user avatar
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How to fix: too short external monitor's resolution after HDMI reconnect until reboot?

I am working on a notebook with external monitor via HDMI and experiencing the same problem each day - in one specific case the external monitor's resolution is not set correctly - gets 1600x1200 ...
Esamo's user avatar
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Keep External HDMI Monitor ON

I am running XBMC (Frodo) on an Asus U47A laptop (Intel Sandybridge graphics) with Ubuntu 12.04. The laptop is connected to an older Phillips 27" tube HDTV via HDMI. What I would like is for XBMC to ...
Tim C's user avatar
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How to keep application running on external monitor when ubuntu locked

I would like to keep a dashboard-style app running full-screen on one of my monitors while I'm away from my computer. (And the computer is locked.) I don't need any user input in the application, I'd ...
rdrey's user avatar
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How do I create a custom resolution for an external monitor?

I currently trying to add the resolution 1216x676 for my external monitor which is connected via HDMI-1. I'm following the guide found at http://shanereustle.com/blog/force-screen-resolutions-on-...
Austin Davis's user avatar
2 votes
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Xrandr: Configure crtc 0 failed (Unable to add 1080p resolution to second monitor)

I had Ubuntu 16 and I was able to add the 1080p resolution for my second monitor (VGA1) but after I installed Ubuntu 17, I get the error when I want to output the new resolution: xrandr: Configure ...
Amir Savand's user avatar
1 vote
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24 views

Flickering problems on external monitor after installing Ubuntu 23.10

I just installed Ubuntu 23.10 on my Thinkpad L13. It works fine on my laptop monitor. But when I connect an HDMI cable to my other monitor, the screen flickers on the laptop and nothing shows on the ...
M K's user avatar
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LG Ultrafine 4K display not detected on Lenovo Thinkbook

I’m running Ubuntu 22.04.2 LTS on a Lenovo ThinkBook 13s G2, and I’m having trouble connecting to my LG Ultrafine 4K monitor. The monitor was originally designed to work with MacBooks, but while ...
kudega's user avatar
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How to boot from external display - Ubuntu 22.04?

I have setup with 3 external monitors while lid of my laptop is all time closed. I power up using button in dock station. In BIOS I switch option to boot up from external monitor. Everything was ...
Harord's user avatar
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157 views

ThinkPad X1 Carbon Gen 9 not recognizing external monitor since installing Ubuntu 22.04.2 LTS

My ThinkPad X1 Carbon Gen 9 isn't recognizing my external monitor ever since I updated to Ubuntu 22.04.2 LTS. The connection is USB-C to USB-C. The computer recognized the monitor before the OS update....
magis_virtute's user avatar
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504 views

Monitor connected via USB-C not working correctly

I have an HP Zbook running Ubuntu 20.04, which I would like to connect to two HP 24es monitors that I have at work. Since the laptop has only one HDMI output, I connect the second monitor using the ...
Jasper's user avatar
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How can I change the default layout for my displays?

I'm using a laptop with Ubuntu 22.04. I must re-arrange the screen layout whenever I connect a new external monitor. Is it possible to have a "default" layout where any new screen I connect ...
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Problem with second monitor (third screen) in Ubuntu 20.04 and Ubuntu 22.04

I have a Lenovo ThinBook 14s IML with these specs: Ubuntu "About" section of my computer For two years now, I've used with two other monitors, so I get three screens in total: the built-in ...
Geropellicer's user avatar
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63 views

screen blanking randomly

On my Ubuntu 22.04 system, after some days of using the system without issues, my screens blank without reason after a very short delay of not using the system (half a minute?). Moving the mouse or ...
ymajoros's user avatar
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HDMI over USB-C multiport adapter works, SOMETIMES!

Ubuntu 22.04 on a Dell Latitude 7320 The laptop has an HDMI port on board, which works fine. The multiport adapter also works fine for USB loop through, and SSD cards. But when I connect a display to ...
Peter Schaafsma's user avatar
1 vote
0 answers
222 views

Press ctrl+c to cancel all filesystem checks in progress appears after connecting external monitor

A few weeks back, the company I worked for bought an external monitor for me to connect my computer in. The laptop in question has the Ubuntu version 20.04 and it is a HP Pavilion Gaming Laptop. Since ...
elita185's user avatar
1 vote
0 answers
2k views

Connect second monitor via USB

My Laptop's only HDMI port is broken, so I bought a USB adapter to be able to connect my monitor to my laptop. This worked perfectly fine on Windows, but I switched to Ubuntu recently and it doesn't ...
Luis's user avatar
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LG Ultrafine 24MD4KL-B not charging via USB-C (Thunderbolt)

I'm running Ubuntu 20.04 on a ThinkPad P14s Gen 1 with internal 4K display. I'm currently running the Intel Mesa drivers on X11, but the behavior I'm about to describe is the same with the proprietary ...
Philipp Stephan's user avatar
1 vote
0 answers
29 views

Keeping External Monitor Resolution

Recently I got myself a new laptop which has two display adapters as of lshw report: VGA compatible controller producto: GP104M [GeForce GTX 1070 Mobile] fabricante: ...
151mp137471n's user avatar
1 vote
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965 views

Second monitor is not working on boot

I have Ubuntu 20.04 installed with ubuntu-mate-desktop. I work with a second monitor, connected via hdmi. When I turned-off and then reboot my system, this monitor is black (and cursor does not pass ...
guyaloni's user avatar
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How to make the external screens the defaults for open applications?

I'm running Ubuntu 20.04 with Cinnnamon 4.4.8. I'm using two external screens together with my laptop screen (one of the externals is configured as primary). I use the laptop screen for a single ...
Tzahi T's user avatar
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0 answers
804 views

Ubuntu 21.10 freezes after plugging a seconds monitor

I installed ubuntu 21.10 on a new SSD drive i have bought, it's has been working well so far, out of the sudden it freezes when I plug my second monitor through HDMI which used to work fine, I suspect ...
igor-root's user avatar
1 vote
0 answers
267 views

Unknown Display on DP-3. Only one display present

Ubuntu 18.04 LTS and 20.04 LTS show a second unknown display, which is not actually present. I have tried every related solution with no success. I am running Ubuntu 18.04 LTS. I have a NVIDIA ...
ejg's user avatar
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1 vote
1 answer
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External monitor through thunderbolt eGPU not recognized by Ubuntu

I just bought a Razer Core X Chroma in combination with a Gigabyte RTX 3070. These are used in combination with a HP Zbook studio which supports thunderbolt 3. I use a fresh install of Ubuntu 20.04 ...
Julian Smits's user avatar
1 vote
0 answers
376 views

External monitor LG 24mk600m-b not recognized, on Dell XPS13-9343 and Ubuntu 20.04

While on Windows 10 the second monitor works smoothly, throught the DisplayLink adapter and HDMI cable, on Ubuntu 20.04 the monitor is not recognized. From inxi -Fx: System: Host: ebergam Kernel: 5....
Enrico Bergamini's user avatar
1 vote
0 answers
229 views

How to always use external monitor

When I plugin my external monitor through HDMI, I can switch to "External Only" by pressing win+P. But when I logout & login the system, it reverts back to using both laptop & ...
DrizzleX's user avatar
  • 375
1 vote
1 answer
2k views

Can't connect external monitor to Ubuntu 20.04

I bought Lenovo thinkpad t14 amd gen 1 laptop with vega amd ryzen 5 4650 pro and vega 6 graphics card. and a new 4k 28inch Samsung monitor. I decided to set up dual boot (Windows + Ubuntu). So I ...
Michael's user avatar
  • 11
1 vote
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319 views

External hardware no longer recognized

I am keeping the original description of the problem here, but found some more leads that hint at a wider problem, so I added that information below the original part. I am having a problem on my ...
Erik's user avatar
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1 vote
1 answer
551 views

How can I automatically turn off an external monitor that has been idle for a certain amount of time using a command/script?

Ubuntu 18.04 64-bit Desktop with Nvidia dedicated Card GPU. When I set power saving to blank screen on an external monitor to turn off the monitor for power saving, it gets reset to default 100% ...
ubusr's user avatar
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1 vote
0 answers
96 views

HDMI connections does not work

I got Ubuntu 20.04 and my computer does not detect the external monitor connected via HDMI Why is this?
legrandmolecule's user avatar
1 vote
1 answer
187 views

Inspiron 7590 - no signal to external display on linux (works on Windows 10)

I'm using the laptop mantioned above (GTX1650 configuration) and installed a linux distro alongside Windows 10. The only one (but at the same time - the most annoying) problem is no signal to external ...
Lukasz Nowak's user avatar
1 vote
0 answers
149 views

No external output with hdmi usb switch but yes on Windows

I've a laptop that has two thunderbolt ports. I wanted to see the video into an external monitor, so I have bought a usb-c to hdmi switch. On Windows everything works correctly, but here on Ubuntu (I'...
canovils's user avatar
1 vote
0 answers
103 views

Ubuntu 18.04 external monitor shows some app "zoomed"

I have new ThinkPad T495, with the Ryzen 7 3700U. I installed Ubuntu server 18.04, with HWE stacks. The resolution of the laptop's screen is 1920x1080, while the resolution of the external monitor is ...
Je Remy Bentham's user avatar