Questions tagged [multiple-monitors]
Questions about multiple monitors (Including projectors), how to configure,customize, and troubleshoot, etc.
4,743
questions
408
votes
11
answers
129k
views
How do I disable mouse magnet on middle edge with multi monitors?
I use Ubuntu 12.04 on a two screen setup. Multiscreen on 12.04 has generally become much better, but there is one thing that really gets on my nerves: there's a mouse magnet of sorts on the middle ...
178
votes
12
answers
236k
views
Is it possible to have different DPI configurations for two different screens?
I'm using Ubuntu 12.04.3 with NVidia drivers (319) for my Quadro K2100M graphic card, and when I switch my main 3200x1800 laptop screen to mode 1920x1080 (using nvidia-settings), the display goes ...
171
votes
10
answers
123k
views
Quickly place a window to another screen using only the keyboard
I know that using Alt+F7, I can use the keyboard to move the window around. I can also use the "Grid" plugin of Compiz to position quickly the window around my current monitor. The grid plugin doesn't ...
151
votes
6
answers
106k
views
How can I remove duplicate second Unity Launcher on a Dual Screen setup?
On my dual screen display I have a Unity Launcher on the left hand screen and also on the right hand screen. Both work perfectly fine.
However, I don't want this second launcher present on my right ...
120
votes
30
answers
433k
views
External monitor not detected on Ubuntu 18.04
After upgrading to Ubuntu 18.04, my laptop has been unable to detect/use an external monitor attached via HDMI. Even when plugged in, the "detect displays" button within the default settings app doesn'...
105
votes
9
answers
191k
views
How do I setup dual monitors in XFCE?
I've got an laptop with a intel chip, and I'd like to setup dual monitors in Xfce.
How do I do this?
94
votes
15
answers
166k
views
How do you use an android tablet as a second display?
I've noticed people using a product for Windows and Mac called iDisplay which lets you use your Android or iPad as a secondary display. This seems like a great idea, and something that could be done ...
92
votes
6
answers
63k
views
Howto to move window to another monitor on the left/right using keyboard shortcut?
I have always used Ctrl+Alt+Shift+Left/Right to move windows from left to right monitors.
Installed Ubuntu 18.04 last week (fresh install) and it appears that this is not working anymore despite the ...
89
votes
5
answers
92k
views
Different display scale settings - 18.04
I have a Dell monitor set to a scale of 200%:
I then set the laptop built-in display to 100%:
However, if I then switch back to the Dell monitor settings, the scale there has reverted to 100%.
Is ...
86
votes
14
answers
65k
views
Changing the screen brightness of the external screen
I have installed Ubuntu 16.04 LTS on my laptop and connected it to an external monitor via an HDMI cable. I can easily change the brightness of the laptop screen but that does not affect the ...
86
votes
3
answers
101k
views
Is there to make the login screen appear on the external display in 18.04?
On Ubuntu 18.04, I have connected my laptop to an external display and I am able to set the external display as primary and external display only mode. But when I turn on my laptop or log out from my ...
80
votes
21
answers
146k
views
Is there any ability to set my primary monitor?
I want my primary display be at the right and my TV (additional) be at the left.
In that case new windows shall appear at the TV. Can I somehow set where new windows will appear ?
78
votes
5
answers
79k
views
Multiple monitors, multiple workspaces?
I connected my laptop to my LCD. Using the laptop display hotkey I can switch between different modes - only laptop monitor on, only LCD monitor on, both on and display the same view, both on and the ...
65
votes
12
answers
106k
views
Dual monitor applications opening on wrong monitor
I am new to ubuntu, been using it for about a month now.
I created a desktop for MythTV, and so I use a dual monitor configuration (one monitor for watching shows, and one for everything else). But ...
59
votes
13
answers
200k
views
Ubuntu 20.04 does not recognize second monitor
I did a clean install of Ubuntu 20.04 and it is not recognizing my second monitor
I have already executed the following commands (I believe that only these worked in version 19.10):
sudo apt update &...
57
votes
6
answers
59k
views
Ubuntu 17.10 secondary display issue, missing menubar, launcher and bar on top of the screen displays date time and network status missing
Installed Ubuntu 17.10 today, menubar, launcher and the bar which indicates time/date/network connection status are missing.
I am using the secondary display and connecting the laptop to the ...
54
votes
8
answers
125k
views
How to span single wallpaper over dual monitors?
I have dual monitor set up in Ubuntu 11.10. I want to have a single wallpaper spanned across both monitors. How do I do this?
48
votes
8
answers
65k
views
Can't set a higher screen resolution in a external display in a Dell Mini 10v laptop
I have a 22'' display from HP (w2207h) connected to my laptop (a Dell Mini 10v or 1011) through a VGA switch (a share this screen with a desktop computer and a Nintendo Wii). My problem is that I can'...
47
votes
3
answers
263k
views
How do I list connected displays using the command line?
Is there a command that will list displays connected to the computer?
Specifically, I'm looking to find out how my external monitor is being detected by the system when connected by HDMI cable and ...
47
votes
8
answers
25k
views
How can I make gnome-shell treat both monitors in the same way?
Gnome-shell seems to like to leave one monitor as "fixed" when you switch workspaces.
Additionally, there is no preview in the Activities view of my secondary monitor.
Also, on the second monitor, ...
47
votes
4
answers
25k
views
How to maximise a window across two monitors?
It's easy to maximise windows on a single monitor (press the maximise button, or drag the window titlebar to the top of the screen).
How can I maximise a window so that it takes up two screens?
46
votes
16
answers
122k
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 check ...
43
votes
6
answers
43k
views
How do I calibrate a touchscreen on a dual monitor system?
I have a dual monitor setup of two different sizes. My primary monitor is a 23 in widescreen Acer T230H touchscreen, and the second is a regular 20 in. When I go to use the touchscreen, the cursor ...
40
votes
7
answers
62k
views
Force gdm login screen to the primary monitor
I have two monitors attached to my video card. Primary monitor has a resolution equal to 1280x1024 and the second has 1920x1200. My gdm login screen always appears on the second monitor even if it is ...
40
votes
4
answers
79k
views
Top bar for all monitors (Ubuntu with GNOME Shell)
I just installed Ubuntu 18.04. Since the top bar is only on the primary monitor, I can't use the mouse to grab and move my Chrome window (the top of the screen looks like below). Trying to do so ...
39
votes
5
answers
136k
views
How to reset monitor settings to default through terminal?
I have a tricky problem regarding multiple monitors on KDE (Kubuntu). I have a laptop which, at home, is connected to two monitors - VGA and HDMI. That works only when the built-in laptop display is ...
39
votes
7
answers
164k
views
How to enable monitor from terminal?
I accidentally disabled my monitors, so when I log in I land on a blank, back-lit screen. I can open terminals with Ctrl+Alt+F#, so how do I enable the monitor from terminal?
I tried xrandr, but it ...
39
votes
5
answers
16k
views
How does Unity work in multi-monitor configurations?
Unity in 10.10 appeared to be focused around single monitor configurations with a single tasking workflow. This works quite well on a netbook which has limited screen real estate.
How does the ...
37
votes
3
answers
23k
views
Send or Move a window from one monitor to another with a shortcut key under Ubuntu 12.04 and nvidia 8600 GT without proprietary nvidia drivers
I would like to know how to send or move a window from one monitor to another with a shortcut key under Ubuntu 12.04 and nvidia 8600 GT without proprietary nvidia drivers.
Now, I know I can configure ...
37
votes
6
answers
21k
views
Second external monitor not waking up
My current setup is my Dell XPS 9560 (1080p) with 2x 1440p 75hz monitors. Everything works fine on first boot: I turn on the laptop, type in my password, shut the lid and just use the two external ...
36
votes
2
answers
31k
views
Personalize monitor position before login
I'm using multiple monitors.
When logged in everything is fine: The left monitor is positioned to the left and the right monitor is positioned to the right, but before I log in, the login-screen ...
35
votes
10
answers
44k
views
Saving monitor settings?
Is there a way to save my monitor settings? I have an external monitor at work, but each morning i have to plug it in, rearrange the windows from being side by side to being on top of each other. Can ...
34
votes
3
answers
85k
views
How do I use dual monitors with Remmina Remote Desktop Client?
I am trying to use my two monitors when I use Remmina remote desktop client. There is no option for using all monitors like RDP in Windows.
Does any one know how can I accomplish that with Remmina?
...
33
votes
4
answers
18k
views
How do I get the 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, ...
33
votes
6
answers
58k
views
How to tell Xubuntu not to clone but to expand the laptop display to the external one?
I went to the Settingsmanager and selected Display. The external display was listed there. So I selected Use this output (see Screenshot) and after hitting apply the notebook screen was cloned to the ...
33
votes
8
answers
77k
views
How to make YouTube fullscreen actually fullscreen?
Whenever (using flash) I make YouTube videos fullscreen then they come out not actually any bigger.
In the screenshot below you see exactly what I see when watching a video in fullscreen mode. All ...
33
votes
3
answers
50k
views
Multi display issue with Ubuntu GNOME 14.04 [closed]
Fresh install of Ubuntu GNOME 14.04 with 3 displays (fglrx driver).
I can correct the screens order in System Settings / Display but it is not saved when I close the session and reopen it.
Screens ...
32
votes
11
answers
28k
views
How to disable sticky edges in Ubuntu 14.04 (Ubuntu 13.10 and earlier had a Option for On/Off Mouse Stickiness)
In Ubuntu 12.04~13.10, the Settings >> Display >> Sticky Edges [On/Off] option was available. In Ubuntu 14.10, it is missing. How do I disable Mouse Edge Stickiness so that when I move my mouse from ...
32
votes
2
answers
77k
views
list existing X display names?
How do I get a list of current X display names?
Apart from being a useful thing to know, I want this so that (hopefully!) I can use xcalib -invert -alter as suggested in this question to invert the ...
30
votes
4
answers
9k
views
How to have a terminal mirrored onto a second screen in a two-monitor setup?
I teach using a two-monitor setup, so what I see in my desktop is different from what my audience can see. This works fine for presentations: while the students see the slides, I can see my notes.
...
30
votes
8
answers
41k
views
Open new windows on main screen in KDE two-screen setup
I am using KDE (with Kwin) on two screens. Often when I run a new application the new window shows on the second screen eventhough the mouse as well as the active window is on the main screen. How can ...
30
votes
1
answer
4k
views
Alt+tab displayed on current monitor in Ubuntu 17.10
I'm working with two monitors connected to my laptop, one over mDP, and the second one over HDMI.
I have windows arranged on both monitors and when I Alt+Tab between the windows, the switcher is ...
29
votes
3
answers
37k
views
Ubuntu command line to change input source on a display monitor?
I have two PCs connected to Dell U3415W monitor, one with ubuntu 14.04 LTS OS with HDMI input and other with windows 10 with DP input. What I want to do is toggle between these two input sources ...
29
votes
6
answers
23k
views
Can I control brightness on second monitor?
I have a thinkpad (x301) with an external monitor connected via a DisplayPort to HDMI cable. I can control the brightness of the laptop monitor using the keys on the laptop, but I can't work out how ...
29
votes
11
answers
13k
views
Night light vs dual monitor
I am using Ubuntu on a laptop which I put in a docking station with two screens.
The night light works well when activated but after unlocking from screen saver, only the main monitor is in night ...
29
votes
5
answers
22k
views
External monitor turns off for several seconds every 5-10 minutes
I'm using Ubuntu 16.04 installed on Lenovo ThinkPad T500 laptop with two external monitors connected via display and VGA ports.
I think the issue started after I upgraded to Ubuntu 16.04. But I'm not ...
28
votes
6
answers
54k
views
Permanently set monitor as primary
I am running Ubuntu 12.04 (beta) with a triple head setup and GNOME 3 desktop (i.e. "GNOME" selected not "Ubuntu" at login screen). It seems that it handles multiple monitors by ...
27
votes
2
answers
54k
views
Disable second, non-existent screen from command line
My laptop adds/enables a VGA monitor called vga2 that doesn't actually exist every time I reboot, which fiddles with the mouse speed amongst other annoyances. What can I do to either stop it being ...
27
votes
6
answers
77k
views
ubuntu 20.04, second monitor on hdmi port not detected
It seems to be a common issue but I could not find a solution.
just clean installed Ubuntu 20.04 Desktop and updated it with the "Software & updates" tool.
PC:HP ProDesk 400 G4 Desktop-Mini-PC
...
27
votes
11
answers
34k
views
Nvidia X Server Settings only shows 1 screen (laptop + external monitor connected)
I have recently installed a new copy of Ubuntu 14.04 on my Dell M3800 which has Nvidia Quadro K1100M graphics card.
Later I also connected my external monitor via HDMI (HDMI to DVI connector). Then ...