Questions tagged [external-monitor]

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

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Ubuntu Touch Desktop Mode on Nexus 10

does the current available version of Ubuntu Touch for Nexus 10 support the Desktop Mode (showing the full Desktop on an external Monitor)? If yes, how can I activate it? Plug in HDMI Montior and USB ...
Thommy's user avatar
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1 answer
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External monitor is too yellow

When I bought a new screen (Philips 227e4l) and connected it with my laptop (HP Compaq 6520) via the VGA port, the size of screen is right (1920x1080), but the color is wrong (too much yellow). How ...
Chung's user avatar
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dual monitors w/ different workspaces?

I have two monitors connected by vga, but both are showing the same workspace. I want to know how to fix this problem and get back to having separate workspaces on each monitor
Person's user avatar
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Is it possible to change display settings and apply without logging out like Windows?

When I want to connect a second monitor or projector to my computer, I always have to change display settins, like seperate x screens configuration, and save and logout to apply new settings. It is ...
user34952's user avatar
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2 answers
1k views

Using External Monitor with Laptop Monitor as separate monitors

I am trying to use 32"LCD monitor with my ubuntu 10.10 installation. I am trying to use my laptop screen and external monitor at the same time but having two separate desktops. I also want to use my ...
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2 votes
3 answers
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Use External monitor instead of faulty laptop monitor

My laptop monitor is faulty and I am planning to use it as a 'desktop'. I bought an external led monitor. But when I connect it to my laptop via HDMI, the desktop gets extended. What I really want is ...
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2 votes
1 answer
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How to connect it to another monitor to an old iMac running Ubuntu 22.04

I have an old iMac 13.1. It was very slow, so I deleted its MacOS and installed Ubuntu 22.04. On the back of this iMac there are two Thunderbolt ports. I bought a mini PD to HDMI cable, hoping that it ...
Camel old's user avatar
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2 answers
2k views

External monitors via USB-C dock not recognized until I restart computer

I'm running Ubuntu 20.04.6 LTS on a Dell Latitude 3520 laptop, which is connected to two external monitors via a Dell USB-C dock. This works great, except when I suspend the laptop and disconnect the ...
jth's user avatar
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HDMI Output to Monitor not Working on Ubuntu Desktop 23.04

I've been stuck on this for a couple of weeks now... hoping someone here can help me out and point me to next steps I can try. I bought a new HP laptop (this one) and installed Ubuntu 22.10 on it. ...
phlogiston's user avatar
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0 answers
348 views

Pixelated font on the external monitor

Today I bought a monitor and faced the problem of a strange image display on it Fonts in all programs look very sharp and pixelated (it hurts my eyes to look at them) I've tried setting antialiasing ...
Artem Mosakovskiy's user avatar
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External monitor lead to screensaver in-out loop

Normal behavior: After 1min of beeing IDLE, my laptop will show a blank screen to save power (not "suspend", just blank screen ) When the mouse is touched, the screen is back to life. ...
n0tis's user avatar
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Ubuntu 22.04 does not detects external display after NVIDIA driver installed

I have a new configuration and I have several issues. It's an Optimus laptop with AMD iGPU and NVIDIA dGPU (NVIDIA GeForce RTX 3070). I try to setup a dual boot system. So one of my main problems is ...
ViBE's user avatar
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3 answers
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Carbon X1 Gen 10 Lenovo not detecting monitor through usb - c connection?

I have a new Lenovo machine----X1 gen 10 and its not detecting/displaying the external usb c monitor through the usb-c connection. (My pervious thinkpads T490 worked well in the same set up). Any ...
Eccentric Rogue's user avatar
2 votes
0 answers
3k views

Not able to add external display with USB 3 to VGA FL2000 chipset in Ubuntu 20.04

What am I trying? Trying to add external display using USB 3 to VGA Fresco Logic 2000 chipset adaptor by compiling a driver and loading a module in the kernel 5.4.0-84-generic in Ubuntu 20.04.3 LTS. ...
Rishabh Agrawal's user avatar
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952 views

DisplayPort error on Thinkpad for Ubuntu

My Thinkpad L480 constantly throws an error when connecting external monitors to the docking station. I have to open and close the lid of the notebook repeatedly to get a signal. It throws the ...
Alv123's user avatar
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Force ubuntu 16.04 to always detect and use external display

I am re-purposing an old laptop primarily as a file, music server and have installed ubuntu 16.04 LTS. Laptop is an Acer Aspire, pentium processor, intel graphics. External video output is HDMI and ...
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External Screen USB-C with Ubuntu 20.04 it works and it doesn't work

I have a Envy 13 2018 with a Blitzwolf screen Bw-pcm2. I conect them through the usb-c interface (send power and display) and the screen dont show any image (it´s not on). But, if i boot the notebook ...
Mythk's user avatar
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2 votes
1 answer
384 views

Make screen popup go away permanently

Whenever I use an external monitor ( Dell HD, same as in-built ) I get this annoying screen selection popup which I cannot make go away. Is there any particular process I can " Stop / Kill " ...
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Integrated iSight camera on Apple Cinematic Display does not work with ubuntu 20.04

I have an Ubuntu 20.04 machine, running on a System76 Lemur Pro. I have connected the machine through the USB-C connector to an Apple Cinematic Display, which I am using as my external monitor. The ...
user81371's user avatar
2 votes
0 answers
557 views

No sound output from external devices

I'm having issues getting sound output on my external sound devices. I currently have an external monitor with integrated speakers connected to a DisplayLink docking station and a Bluetooth headset. I ...
Pål Bjartan's user avatar
2 votes
1 answer
603 views

Unable to lock screen

I'm using Ubuntu 18.04 with default DE on my laptop. I have an external monitor that I used for weeks without problem. (maybe during an update) I closed the lid and then the desktop appeared on the ...
Enrico R.'s user avatar
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0 answers
337 views

Black screen with mouse cursor when connecting to external monitor with lid closed

I am trying to use my laptop in a docked mode, so external monitor, mouse and keyboard with the lid closed. I found this post but didn't much and was very old and have tried to the following. In gnome ...
Kaigo's user avatar
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NVIDIA eGPU - Crashes after some time

We're experiencing the following error, after some time working on a laptop: Mar 29 14:09:13 lBoria kernel: [ 110.645559] xhci_hcd 0000:0b:00.2: remove, state 1 Mar 29 14:09:13 lBoria kernel: [ 110....
arieltools's user avatar
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Laptop external monitor

Hoping somebody can help I have a dell G5 5587 laptop running Hera, I have connected to external monitor via HDMI cable. when the laptops lid is closed I can work on the external. when the laptop ...
duality's user avatar
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266 views

KDE keep warning "No External Display" all the time

I'm currently using KDE Plasma. But, since I installed it, every time when turning my computer on it shows a popup warning that there is "No External Display", its very annoying because it keeps ...
Lucas_Guerra's user avatar
2 votes
1 answer
249 views

Cannot attach monitor via USB-C

I'm trying to attach the same monitor (LG) with the same USB-C cable that I used for my Macbook Pro. My Ubuntu machine is a Dell Precision and it works for 1 or 2 seconds only each time, then both the ...
Gabor's user avatar
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0 answers
428 views

External monitor resolutions gone after sleep

I have strange problem which comes when the screens go to sleep. I have an external monitor connected to my laptop so I have two screen. When I connect the USB-C cable I get the resolutions 1920x1080 ...
user3061876's user avatar
2 votes
1 answer
805 views

HDMI not working in Ubuntu 18.04 (Razer Blade 14" 2017)

I recently installed Ubuntu 18.04 on my Razer Blade and I have had a lot of issues with it, most of which I have managed to solve. One thing I cannot figure out though is how to get HDMI working. I am ...
failsafe65's user avatar
2 votes
1 answer
880 views

external monitors with different resolution 2K 4K, diff. errors, daisy chain, Ubuntu

Setup: ThinkPad L450 [Ubuntu 16.04.5 LTS, kernel 4.13]: 1920 x 1080, Intel HD Graphics 5500 & UltraDock – 90W EU (DisplayPort 1.2) ThinkPad L480 [Linux]: 1.920 x 1.080 (IPS), Intel UHD Graphics ...
InLaw's user avatar
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114 views

Ubuntu doesn't recognize external monitors connected via HDMI

My laptop is an ASUS-x556ur, I'm using Ubuntu 18.04 and the x.org display driver (I tried switching to Nvidia and restarting and reconnecting, didn't work...) I usually connect my laptop to 2 ...
Sean Dvir's user avatar
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0 answers
853 views

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 ...
Nirmik's user avatar
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2 votes
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106 views

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
2 votes
0 answers
153 views

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
0 answers
867 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/...
bshanks's user avatar
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2 votes
1 answer
3k views

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 ...
johnhenry's user avatar
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2 votes
0 answers
321 views

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
2 votes
1 answer
347 views

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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2 votes
1 answer
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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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2 votes
1 answer
11k views

xrandr scale monitor output by default

I've installed ubuntu on a retina Macbook Pro, and have managed to get the things to look at a reasonable size by scaling the display: xrandr --output DP-2 --scale 0.9x0.9 When I connect my external ...
Marc Bacvanski's user avatar
2 votes
1 answer
79 views

Monitor detected in Windows 10 but not Lubuntu

I'm running Lubuntu 16.10 on a Lenovo ThinkPad T450s laptop. I have it connected with a VGA cable to an Acer V173 monitor. My machine dual-boots Lubuntu with Windows 10, and I can use the monitor fine ...
Kodiologist's user avatar
2 votes
0 answers
202 views

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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0 answers
122 views

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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2 votes
1 answer
454 views

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
2 votes
1 answer
3k views

Ubuntu 16.04 external monitor lags and won't rotate

I just installed a fresh Ubuntu 16.04 on my Lenovo P50, Nvidia M2000M graphics card. When I connect my Dell Ultrasharp U2713HM to the DisplayPort on my Lenovo Dock, and it displays the image fine in ...
Jonas Lindeløv's user avatar
2 votes
0 answers
246 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
0 answers
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
2 votes
0 answers
336 views

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
2 votes
0 answers
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 ...
IsaacS's user avatar
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2 votes
0 answers
3k views

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 ...
김주민's user avatar
2 votes
0 answers
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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