Questions tagged [multiple-monitors]

Questions about multiple monitors (Including projectors), how to configure,customize, and troubleshoot, etc.

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External HDMI monitor not detected in Ubuntu 18.04 in Dell Inspiron 15 5000 nvidia

Tried using proprietary nvidia drivers Tried upgrading kernel (Now on 5.3.0) Ran: # inxi -Gx Graphics: Card-1: Intel Device 8a52 bus-ID: 00:02.0 Card-2: NVIDIA Device 1d11 bus-ID: 01:...
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Thunderbolt 3 not working with DELL XPS 13-9360 and ubuntu 16.04

OS: Ubuntu 16.04 Kernel: kernel 4.4.0-169-generic Product Name: Del XPS 13-9360, Dell 470-ABRY DA200 Adapter Firmware: 0.2.12.0 BIOS: Version 2.12.0, Thunderbolt BIOS Security Level none The Problem ...
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Can't recognize third external display on Ubuntu 18.04?

I am working on a Lenovo ThinkPad T480 with Ubuntu 18.04. A few days ago everything was ok and it recognized 2 external displays. For some reasons it recognizes only one now. I did switching ...
SteveS's user avatar
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My two monitors are not working anymore

I have 2 monitors, one connected to the NVidia GPU and the other connected to the mother board. They worked well, but suddenly the one connected to the mother board only shows /dev/sda2: 644138/...
grandpt9's user avatar
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Ubuntu 18.04.3 second screen detected but black

I have Lenovo thnikpad T490 with Ubuntu 18.04.3. When I connect the laptop to a docking station or directly with HDMI, it extends perfectly, but at home I have an old external Samsung monitor that ...
ImStackWIthWorkOverflow's user avatar
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3 answers
1k views

Nvidia GTX - 3 Monitors - Can only enable 2

I have an Nvidia GTX 1080 Ti. I have three monitors connected. Up until today all three worked perfectly. I had some type of GUI freeze/bug. So I just did a simple shutdown restart. Now I can ...
Bryan Lee's user avatar
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Multiple 4k external monitors unsupported at full resolution on Dell XPS 13 9380

Update: I've managed to get all 3 displays working in 4k, but I am unable to arrange them in a horizontal line. Running xrandr outputs this as the first line: Screen 0: minimum 320 x 200, current ...
Nick White's user avatar
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Can I run two external 4k monitors on 18.04?

I was just provided with a new Dell XPS13 7390 laptop for work running 18.04.3 LTS. I need to get a dock for my peripherals and, since this thing has Thunderbolt ports, I'm considering getting a ...
AJ.'s user avatar
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Dual Monitor via HDMI, second screen only shows the background on Ubuntu 18.04

I have an HP Pavilion G6 (with Radeon Graphics) running Ubuntu 18.04. I have connected an LG monitor via the HDMI port. On the monitor I just see the background of the laptop screen, with no icons or ...
user180630's user avatar
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Using a second screen but Kubuntu asks me to choose what to show on the screen but the screen says "no signal"

Just as the title says... I am connecting the screen via HDMI cable and kubuntu asks me wheter I want to mirror my main screen or extend to the right or left and so on and no matter what I choose the ...
SoftwareCreator's user avatar
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Some applications open on turned off display

I have tv on HDMI-0 and main display on DP-2. When I turn off tv, some applications like image browser, still open on tv even when it is turned off. I need sth like run automatically xrandr --output ...
rofrol's user avatar
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External monitor flashing random colors - Kubuntu

I just installed Kubuntu (19.10) on my notebook and now my external monitor just won't work. It flashes random colors when connected. I tried changing the resolution, refresh rate, output mode etc., ...
Skepller's user avatar
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Set external monitor's resolution

I know theres already a question talking about it, I know. Here's the answer that "solved" my issue: https://askubuntu.com/a/377944 It gave me the following result (notice how 1600x900 is now listed!...
keanu_reeves's user avatar
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How to change the primary display at runlevel 3

I have a desktop with two screens attached to it's VGA ports (GPU and motherboard). My main screen has two input ports (VGA and HDMI). I often plug my laptop into the HDMI port on the main screen and ...
Rexx Robertson's user avatar
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632 views

Ubuntu 19.10 multiple monitors, wave issue displaying windows

Using multiple monitors, I have the following issue. Scenario: Ubuntu 19.10 upgraded from 19.04 Laptop ThinkPad T440p over dock station 2 same monitors, Samsung (S24D390) 1st Monitor using mini ...
Israel Diaz's user avatar
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3 answers
2k views

Ubuntu 18.04.3: Screen scrambling while using two monitors with a Think Pad Thunderbolt 3 Dock

I have set up my new work equipment, which includes the following devices: Lenovo P1 Gen 2 Think Pad Thunderbolt 3 Dock Gen 2 2 x HP Z32 80 cm (31,5" ) 4K-UHD Workstation-Monitor The problem which ...
ali's user avatar
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Display arrangement for second monitor on top of laptop

When I try to set up a second monitor on top of my laptop display in Ubuntu 18.04, it is not working. What should I be doing to get this to work?
mathew mathew's user avatar
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Trying to get two GPUs working in Ubuntu

I'm having a very difficult time getting two GPUs to work. I have GeForce GT 630 that is working and I have installed a Pegatron AMD Radeon HD6450. Which shows when running sudo lshw -C display. I can ...
DarkM's user avatar
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Top bar of Application does not show, when using external Monitor Ubuntu Budgie Desktop

When I connect to my laptop external Monitor, and every application that I open in full window size (on the laptop screen) it does not have the top bar (minimize,maximize, close). I was using Gnome ...
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Problem setting in Dual Monitor. can configure the "Primary Display" Ubuntu 18.04

In this case i use laptop as my source and another monitor that i want to be like the "Primary Monitor" Monitor 1 : My Laptop Monitor 2 : External Monitor Primary Monitor : External Monitor this ...
Zein IF's user avatar
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581 views

GNOME Notifications on all monitors

Is it possible to show GNOME notifications, like the one on screenshot, on every monitor? I'm using three monitors so sometimes I miss notifications that appear on the default screen.
PiotrL's user avatar
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Adding a higher resolution mode via xrandr results in a black screen

I'm running Ubuntu 19.10, and I was following the instructions in the answer about how to add a higher resolution mode using xrandr, and I ran into a problem. What I need is to be able to use an ...
Igor Zinov'yev's user avatar
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Deactivated nvidia for longer battery, xrandr doesn't show HDMI

As everyone knows, nvidia drivers don't work well on Ubuntu. I deactivated my RTX 2060 nvidia card on my Lenovo Legion Y540 with Ubuntu 18.04 LTS (keeping its use on Windows for gaming) doing the ...
Nora NICOLAS's user avatar
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380 views

How can I get my dual monitor setup to work on Ubuntu 19.04?

I am using a dual boot with Ubuntu 19.04 and Windows 10, and I cannot get my dual monitors to work in Ubuntu. Here are some important details: My dual monitors work perfectly on Windows 10. Ubuntu ...
Diogenes's user avatar
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Problem with touch screen in Xubuntu

I have an ECline 1515 touch screen device running Xubuntu. I want to have 2 monitors, the main panel being the Ecline screen, plus another just for statistics. I need the touch screen as main, as it ...
Jorge_Garza's user avatar
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347 views

Starting Ubuntu 18.04 with two monitors results in black screen after login page

As the title says Starting ubuntu on my dual boot pc when both monitors are connected to my pc will load till the login part and then both screens turn black and monitors go off. If I start with only ...
user3261212's user avatar
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Ubuntu 19.04 can't get 2560x1600 on HP L3065 display w/ HDMI to DVI adapter; Windows can

I recently got this old HP L3065 30" 2560x1600 monitor that only takes DVI inputs. I purchased this cheap cable to connect the monitor to my PC. When Iconnected, it works fine in Windows 10. ...
Tim Ratigan's user avatar
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200 views

Problem with external monitors

I can't connect external monitor to my VGA output. Graphic card - Intel® HD Graphics 520 (Skylake GT2). Also can't connect monitor to my dock DVI output. lshw output *-display ...
Dario Peric's user avatar
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Everything appears zoomed in

I have a problem regarding the screen resolution of my laptop. My screen broke a few days ago and I had to get it replaced. However everything appears to be "Zoomed" in now. From log-in at the start, ...
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1 answer
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Connect an external monitor to notebook via HDMI - doesn't work - black screen

I have a Lenovo Ideapad 330 with two graphic cards, intel and nvidia. I connected the hdmi to an external monitor, the monitor gets detected. For a moment the monitor resumes from safe mode (straight ...
Pikk's user avatar
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Monitor glitches in 18.04

I know there are some questions about the monitor problems in the site but none of those that I've found was able to help me. Here is the situation: I have an intel desktop PC with an GeForce GTX ...
Pouya's user avatar
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18.04 LTS: No video to Secondary Monitor when on left

N00B here: I have a Dell XPS 15 running stock Ubuntu 18.04 LTS I have a secondary monitor which is my old Sony KDL-32XBR6 Attaching the second monitor works fine IF I leave the Secondary monitor ...
Caedman Oakley's user avatar
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399 views

External monitor visual noise on LTS 18.04

I am on Ubuntu LTS 18.04. I am using a Lenovo Yoga 920, i7 / 16gb. Intel Corporation UHD Graphics 620 (rev 07). The laptop screen is 4k. When I connect my external monitor (usb-c to hdmi cable) and ...
Dustyn Altimus's user avatar
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0 answers
71 views

Triple Monitor, Dual nVidia Card 18.04 Hell

Here's some backstory: Dual boot: Windows 10 on it's own drive (working perfectly), Ubuntu 18.04 on it's own drive. (So, dual drive/dual boot config) Grub 2 bootloader working as intended. Fresh ...
Tracie Cox's user avatar
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1 answer
1k views

Dual Monitor Black Screen after Login

I have two monitors connected to my Intel IGPU (Graphics 630 ) on 18.04.3 LTS They worked fine during setup, they also work fine on Desktop but when I log in, one of them always stays black. It is ...
Stefan Ernst's user avatar
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187 views

When dual monitor used with Nvidia Driver, Ubuntu restarts the desktop environment after waking up from suspend mode

I am a new Ubuntu user. I use dual monitor and dual boot (Win 8.1 and Ubuntu 18.04). When I am on Ubuntu and I suspend the laptop, the laptop goes to suspend mode (the led is blinking). However, after ...
Utku's user avatar
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Ubuntu – 120hz / 144hz not appearing on Nvidia X Server with HDMI

My current setup is as follows: I have a main Windows PC connected to 2x AORUS AD27QD monitors via DisplayPort cables. These both run at 2560 x 1440 at 144hz with no issues at all. I also have a ...
SneakyShrike's user avatar
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display UNCLAIMED HD Graphics 630

I updated from Ubuntu 16.04 to 18.04 LTS a while ago, and I got "display UNCLAIMED". but everything else seems working, so I just ignored it. Until now I added a second monitor, There's no options ...
YugoAmaryl's user avatar
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387 views

3rd monitor in Ubuntu 18.04: Config not applicable: GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs

I've got a Dell XPS 15 9570 with a TB16 docking station. Ubuntu works fine with 3 monitors (1 built-in + two external). However, strange things appear when I add a 4th monitor. The Ubuntu sysconfig ...
fraber's user avatar
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1 answer
649 views

HDMI (DP-3) no output 2560x1600 59-60Hz in Ubuntu 19.04

There's no HDMI (which is DP-3 in xrandr) output on 2560x1600 59Hz or 60Hz in Ubuntu 19.04. Whether I try it with intel or the nvidia chip, the output is limited to 30Hz. Please note that 2560x1600 ...
4spir's user avatar
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201 views

Ubuntu 18.04.2 won't detect second monitor

I'm unable to get Ubuntu to detect my second monitor, which is connected via HDMI. I'm running Ubuntu 18.04.2 on Lenovo Legion Y730 with a Nvidia GeForce GTX 1050 Ti graphics card (and some Intel ...
Joel Lehikoinen's user avatar
1 vote
2 answers
537 views

Laptop connection to monitor via HDMI port not working on 18.04

I have been using Ubuntu for past 2 years. Initially it was Ubuntu 16.04. A few months ago I upgraded to 18.04. Today when I tried to connect my laptop through HDMI port it's not working. I have only ...
hari sankar's user avatar
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0 answers
92 views

HDMI not recognised Ubuntu 18.04

My HP Zbook G5 is not recognizing when a hdmi cable is plugged in. I am running Ubuntu 18.04 5.2.5-050205-generic kernel and proprietary nvidia 390 driver If anyone has any suggestions I would very ...
R Doyle's user avatar
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375 views

Multi-Screen Setup with only one fixed Workspace, the opposite of "workspaces only on primary display"

I have a three monitor setup using Cinnamon (+gnome apps). I know the option “workspaces only on primary display”, but I want the opposite. I want to have one fixed screen (could be the primary one) ...
Tobias Gaertner's user avatar
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0 answers
264 views

External screen flickering at native resolution, but not lower resolution, and only in GUI, not console

I have a slightly older HP ProBook Laptop with integrated Intel graphics running Ubuntu 18.04 on kernel 4.19.0 and the external screen (DisplayPort connection) gets tearing and then goes dark for a ...
Damian T.'s user avatar
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255 views

Ubuntu 19.04 on X11 could not detect secondary display but on Wayland it can

Hardware: Laptop with iGPU (Intel HD Graphics 630) and dGPU (nVidia GTX 1070) + external monitor My external monitor used to work on both X11 and Wayland. But after playing around with /etc/modprobe....
supertonsky's user avatar
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0 answers
394 views

Colors, color management, calibration two monitors

First of sorry if I get wrong some technical terms. I am running Ubuntu 18.04 on a Dell laptop E6420 (i5 2520m and intel hd3000) and sometimes I hookup some old Philips monitor (5:4 aspect ratio lol) ...
Black Cloud's user avatar
1 vote
1 answer
275 views

Resume from Suspend Kills all Processes with External Monitor

When I resume from a suspend with my external monitor connected to my Thinkpad T460p, all previously running applications are gone and I'm presented with a fresh, blank desktop. First I'm presented ...
Johnster's user avatar
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1 answer
757 views

login screen show on seccond monitor

First at all, take easy I'm a novice in Linux world :D I'm using my laptop (L502x) and one HDMI monitor extended. Built-in display is my primary screen and second monitor is extended. I always use ...
Diego's user avatar
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1 vote
1 answer
503 views

Flicker after suspend on two monitors

I'm relative new at Ubuntu than sorry for any basics erros/confusions... Recently I've experienced some crahes using two monitor in my laptop. I've noted its almost ever happen when it wake up after ...
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