Questions tagged [external-monitor]

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

Filter by
Sorted by
Tagged with
0
votes
0answers
40 views

Only 1 out of 2 screens work with a USB-C Dock station (Ubuntu 20.04)

Recently I said goodbye to old pal Windows and happily welcomed Ubuntu 20.04 and as a Developer, I cannot be happier but I have a very small problem with my USB-C dockstation. First thing I will note ...
0
votes
1answer
22 views

External monitor high latency on reverse-prime intel/nvidia

Description My laptop (Thinkpad X1 Extreme gen 3) suffers from high latency on external monitors (running with display port) when using the on-demand Nvidia driver option (version 460). Overall it ...
0
votes
0answers
29 views

Ubuntu won't display to external monitor

Ubuntu newbie here. I recently bought a laptop and got ver 20.04 to dual boot with Win10. I was able to connect it to my external monitor (3440x1440 - 144hz) through the thunderbolt port with no ...
0
votes
0answers
30 views

Big lag when puting external monitor as main and only screen

I just installed Ubuntu 20.04 on my laptop (120hz). I wanted to set a BenQ 60hz external monitor as my main screen because I don't like the small screen of the laptop. When I use the dual screen ...
0
votes
1answer
101 views

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 ...
0
votes
0answers
27 views

How can I reset my monitor settings?

I have Ubuntu 20.04 running on my laptop and have it connected to an external monitor. Ever since I connected another device to my monitor and then switched back to my laptop, my laptop won't connect ...
1
vote
0answers
51 views

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 ...
0
votes
1answer
96 views

external monitor, nvidia-smi and maybe Nvidia drivers not working

I would like to use either a Dell P2417H or a Dell P2414Hb external monitor on my Ubuntu 20.04 laptop. Neither seem to work, though. I had a look at this question External Monitor not working. Ubuntu, ...
0
votes
0answers
44 views

Second monitor not detected through HDMI

Using Ubuntu 20.10 on a Lenovo Yoga Slim 7 laptop, my external Asus monitor is not detected when plugged in to the HDMI port. A high-pitched noise comes from the region of the port when I do this. ...
0
votes
0answers
35 views

20.04 - HDMI Monitor Detected But not Outputting display

I have a dual-boot Windows 10/Ubuntu 20.40 LTS Lenovo Ideapad Y700 laptop. When I'm on Windows, my HDMI monitor properly outputs my extended display. However when I boot Ubuntu, it doesn't display ...
0
votes
0answers
23 views

How do I setup my second monitor as extended monitor(small and fuzzy text on external monitor)?

I am using Ubuntu with gnome desktop environment, NVIDIA driver(460.39) for my Graphic card 940mx(notebook). my main laptop screen is of 15.6 inch diagonally and resolution 1366x768. I have connected ...
0
votes
0answers
33 views

Dual monitor not working Vega 8 graph 20.04

I have ubuntu 20.04 installed on a machine with ryzen 5 3500u, integrated graphics Vega 8,and 16Gb RAM. I connected external monitor to this laptop using HDMI but system doesn't see this new monitor. ...
0
votes
0answers
55 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....
0
votes
0answers
31 views

Samsung LE22B450C4W TV size incorrectly detected and picture not centred on screen

I have just been given a Samsung LE22B450C4W 22" television that I wish to use as a second monitor for a DELL Inspiron 1545 laptop running Ubuntu 20.10, connected by a VGA cable. The screen ...
0
votes
0answers
38 views

Is my reboot issue (Ubuntu 20.04) due to external display connections?

I often have an unexpected reboot when I leave my laptop alone for a while, when there's an external display connected on HDMI (I have the same issue with "HDMI over" USB-C). The problem ...
0
votes
2answers
208 views

Setting up ultrawide (3440x1440) 34" monitor

I've got a Samsung S34J552 34" especially for using with 3440x1440 resolution but looks like it only work at 2560x1080 with Ubuntu 20.04. I tried o add the 3440x1440 profile using xrandr without ...
0
votes
1answer
29 views

External monitor works initially in mirrored mode, but not in Extended mode - Ubuntu Studio 20.04 XFCE

System: Kernel: 5.4.0-65-lowlatency x86_64 bits: 64 compiler: gcc v: 9.3.0 Desktop: Xfce 4.14.2 tk: Gtk 3.24.13 info: xfce4-panel wm: xfwm4 dm: LightDM 1.30.0 Distro: Ubuntu 20.04.2 LTS (Focal Fossa) ...
0
votes
0answers
29 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 & ...
0
votes
1answer
52 views

Ubuntu 20.04 suddenly not working when started connected to external montiors

I'm using a Lenovo Thinkpad which came with Windows but I've wiped it and have used Ubuntu 20.04 for quite a while. After some initial issues getting everything to work with 3 external monitors via a ...
0
votes
0answers
50 views

Laptop freezes during heavy load with external monitors connected

I am having issues with my Dell XPS 9370 running Ubuntu 20.04. When im connecting my two external monitors and the laptop is under heavy load it freezes and i have to do a hard restart. This does not ...
1
vote
1answer
60 views

Bash script not running when I boot my laptop

I am new to Linux and I've set it up just how I want it. However, when I am using my laptop at home, login screen appears on both laptop and external screen. I want it to appear just on my external ...
0
votes
0answers
218 views

External monitor input signal out of range only if second monitor has same refresh rate on Ubuntu 20.04

I recently updated my Lenovo X1 ThinkPad from Ubuntu 19.10 to Ubuntu 20.04. My ThinkPad has a GeForce GTX 1650 Nvidia GPU (run in "Performance Mode" so that I can access the GPU for testing) ...
0
votes
0answers
73 views

Ubuntu 18.04 QHD monitor and 2019 Laptop can't handle QHD

My new monitor supports QHD resolution over USB-C (DP) (and also HDMI). It is a Dell P2720DC (but I think that doesn't matter). This works great with my other laptop, both USB-C and HDMI, but not on ...
0
votes
2answers
122 views

Unable to apply display settings for external monitor on Ubuntu 20.10

I am trying to set up an external monitor as an extended display for my laptop. [Ryzen 4800H + GTX1650] When booting up, the monitor briefly shows the boot screen for a second but then switches to the ...
2
votes
0answers
76 views

Cannot dim external monitor brightness

So, I´m new to this world and I´m trying to slowly settle in and learn. But I´m encountering some problems that I´m eager to solve since I´ve been spending the few last days trying to find a fix. Here'...
2
votes
0answers
363 views

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 ...
2
votes
1answer
121 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 " ...
0
votes
1answer
118 views

Second monitor ain't detected anymore

my ubuntu (20.10) ain't detecting my second monitor via hdmi anymore. It worked well just two days ago. Having HP Probook with 8th gen i7 and intel graphics. Any advice? Thanks!
2
votes
0answers
319 views

External monitor not detected on Ubuntu 20.04

After an abnormal shutdown my Lenovo ThinkPad X1 Carbon fails to pick up an external monitor connected via HDMI (xrandr outputs "HDMI-1 disconnected). I am running Ubuntu 20.04; lshw -c video ...
0
votes
2answers
97 views

Ubuntu 18.04 - Screen Tearing only on external monitor

I have Ubuntu 18.04 installed on my Acer Nitro 5 notebook, and I'm using the NVIDIA driver metapackage nvidia-driver-450. I'm observing a lot of screen tearing in my external monitor, connected to the ...
1
vote
1answer
257 views

Dell Laptop Won't Suspend When Lid Closed (Ubuntu 20.04.1 LTS)

EDIT (MY SOLUTION): So after having lots of problems on my laptop (lid problem, pc wouldn't detect 2nd monitor, neither night light nor brightness settings were not working, computer freeze without ...
0
votes
1answer
46 views

New monitor not detecting an signal from my laptop (running Ubuntu 18.04)

I looked through all the threads online that I could but I have not found anything that helped me and I'm out of ideas. I am running Ubuntu 18.04 on a 5 year old Lenovo X240. I've tried connecting ...
0
votes
0answers
167 views

Please Help! Dual Monitor Setup with “DaisyChaining” not working on Ubuntu

my current setup is: Dell XPS 9500 and two DELL U2520D monitors. I have them connected in the following way. XPS --> USB-C in Monitor 1 --> DP out Monitor 1 --> DP in Monitor 2. I have MST ...
2
votes
0answers
215 views

Start grub on external monitor (as laptop monitor unresponsive/broken)

How can I have grub start by default on an external monitor? My problem is that my laptop screen is broken/unresponsive, and I cannot see grub, as the external monitor is started only once grub has ...
3
votes
2answers
1k views

Cannot connect second monitor via HDMI cable in Ubuntu 20.04

I freshly installed ubuntu 20.04 on my laptop after erasing the previous version (18.04) and deleting everything. When I tried to connect my external monitor via HDMI cable the monitor was not ...
0
votes
0answers
141 views

can't boot up/restart with closed lid macbook pro

2 cases: When I turn on my laptop and immediately close the lid I get a green splash and no signal on my external monitor. If I open the lid it's the same case, the display is turned off but I can ...
0
votes
0answers
41 views

External monitor recognised but dark

I checked every solution in Ubuntu forums reddit, etc. What I noticed is that my NVIDIA can recognize the TV as you can see in the picture, but it shows dark. When I change the brightness the external ...
0
votes
1answer
54 views

CPU useage spikes when I unplug external monitor

I am dual booting ubuntu 20.04 desktop on my mid 2012 macbook pro. I'd like to run it as headless server with the lid closed. To try to do this I set systemctl default to multi-user, disabled gdm, and ...
0
votes
0answers
34 views

How to get rid of black light on second monitor on ubuntu mate 20.04?

I am trying to get rid of the black light on my second monitor using Ubuntu mate 20.04. My station has an AMD Ryzen7 CPU and 2 GPUs: Integrated - AMD Radeon Dedicated Nvidia GTX 1650 Mobile. I've ...
0
votes
0answers
254 views

Asus ZenScreen MB16AHP external mobile monitor charging but not working USB-C

My external monitor was working fine yesterday and today when I plug it in, it turns it on and show it's charging but no image displays and it goes to sleep mode. This is with Ubuntu 20.04.1 LTS. With ...
0
votes
1answer
1k 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 ...
0
votes
0answers
275 views

External HDMI monitor not displaying in Recovery Mode. Also boot problems

I use Ubuntu 18.04. I try to connect TV by HDMI cable to my PC, but nothing is showing. And I access from the recovery mode (because I have some problems withe the normal access like the figure). When ...
0
votes
0answers
99 views

External monitor no signal

I'm trying to use an external monitor but I'm getting "no signal" from it. Ubuntu is detecting the monitor, but doesn't display anything. Tried switching to lightmd, but still nothing. Can ...
1
vote
0answers
316 views

Getting xrandr to recognise an external monitor via DisplayPort

Using Ubuntu 18.04 Mate, I am connecting a Dell U2415 monitor to a Dell Latitude E7240 laptop using DisplayPort. The laptop is a few years old and I have been using it with an HDMI-connected monitor ...
4
votes
2answers
2k views

Odyssey of Ubuntu 20.04 on Dell XPS13 laptop / eGPU Razor Core X / Nvidia GTX 1660 SUPER/ external Dell display

Obviously I am a noob ubuntu user so please forgive any terrible mistakes I might do or required knowledge I might not have :D The expected behavior I have an laptop Dell XPS13 running a recently ...
0
votes
1answer
225 views

18.04 | Cannot use the Laptop without external monitor [SOLVED] [duplicate]

I have a Laptop running the Ubuntu 18.04. At the beginning, I was using only the Laptop screen. And then, I tried to connect an external monitor via HDMI. At first, system couldn't detect the external ...
0
votes
0answers
43 views

AMD Graphics and Sharpness of External Monitor

I just installed Ubuntu 20.04 on my new AMD powered laptop. Primary display seems to be ok, but any external monitor (tested on 1920x1200 Dell and 4K Panasonic) I connect via HDMI (the only option) ...
0
votes
0answers
9 views

Small GUI Font Size with External Monitor [duplicate]

I've recently upgraded my notebook from Ubuntu 18.04 to 20.04.1. After the upgrade, I experience this: If an external monitor is attached during logging in or turning on, I get very small font sizes ...
1
vote
0answers
192 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 ...
0
votes
1answer
82 views

Unable to get dual boot grub menu when I connect to a external monitor

I am using ubuntu 20.04 with windows as a dual boot. Everytime i restart I normally get dual boot grub menu (without connecting to an external display), but when I connect to an external monitor, this ...

1
2 3 4 5
9