Questions related to hardware displays, either internal (as in a laptop) or external (as in most desktop monitors, or projectors)

learn more… | top users | synonyms

2
votes
1answer
125 views

How do I save my new resolution setting with xrandr?

I found somewhere in a forum the solve to a problem where the only resolutions available were 800x600 and 1024x768. I managed to get 1440x900, which works very well. Every time I reboot, it disappears....
0
votes
0answers
30 views

System Settings > Displays doesn't work

I just installed Ubuntu on my new pc. It works, but the screen resolution hasn't adapted to my 29" widescreen. When I try to change it in System Settings, the entire System Settings window simply ...
0
votes
0answers
30 views

Ubuntu 15.1: Unknown Display; Proprietary driver fails to boot; No Audio

I am running ubuntu 15.10 on my computer with a Radeon R7 260x Everything was running perfectly fine, until, after a repartition went bad, I had to re-install ubuntu. Since the reinstall, I am having ...
1
vote
0answers
19 views

Laptop Monitor not turning on with two external monitors

I have a Dell Inspiron N7010 set up with two external monitors. System Settings Details The problem I'm facing is I cannot get the laptop monitor as well as my two external monitors to all turn on ...
1
vote
0answers
70 views

Why chinese characters can be displayed in LXTerminal not in Root Terminal?

The desktop in my pc is lxde.I found that chinese character can be displayed in LXTerminal when to login with common user and chinese character can not be displayed in Root Terminal when to login ...
0
votes
0answers
15 views

3rd screen remains disabled

am trying to display Ubuntu 14.04 on three displays but whichever display I set or move one of them always remains disabled. Tried downloading/installing the following but still have the same issue: ...
0
votes
0answers
84 views

How to set proper resolution for second monitor

I have two monitors Acer K242HL but I am unable to set the second monitor (VGA) to the native resolution 1920x1080. This resolution doesn't appear in the Settings > Display menu and the monitor is ...
0
votes
0answers
16 views

High Resolution, Icon size all the same

My resolution is ~1900 x ~1600 on a 27" display, yet the size of all the icons and text is very large--like it is sized for a high resolution 12" laptop screen. How do I adjust the size of all the ...
1
vote
1answer
49 views

Display problem on second monitor

The desktop and every window is like 1" off the screen on every side of it, windows controls, menus, desktop panels are all outside the screen. I tried xrandr but i was only able to make it worse. ...
0
votes
0answers
31 views

Ubuntu 14.04 Connect an External Monitor

When i connect my laptop with external monitor, the monitor not detect my laptop display, how to enable it? i once uninstall unknown display at the first i install ubuntu because it makes my cursor ...
1
vote
1answer
75 views

Set “default” monitor

I would like to be able to set my "default" monitor to be my external 25' monitor instead of my laptop one when I have my external monitor connected. Many applications always open on the laptops ...
0
votes
0answers
61 views

Second monitor is detected but doesn't work [ubuntu 15.10]

I just installed ubuntu 15.10 on a HP EliteDesk and one of the monitors doesn't work correctly. Displays recognize both monitors (Hp Z27n and Hp ProDisplay P201) but only the Hp Z27n is working. ...
0
votes
1answer
47 views

Cannot display this video mode on boot

I have googled around, but nobody seems to have found a solution for this problem. This computer will not boot to Linux cds, so i have installed ubuntu on a hard drive and then put the hard drive in ...
1
vote
0answers
35 views

How can I change the resolution of passphrase splash screen?

I recently installed Ubuntu 14.04 LTS on my Desktop PC. But there were some issues with resolutions. My screen gets distorted if there is a wrong resolution. I managed to correct my login screen and ...
0
votes
0answers
58 views

Multi-screen display

I have a Dell XPS L502x running Ubuntu 14.04.1 and nvidia GT504m. Im trying to connect 2 monitors to the laptop, one via the hdmi connection and the other using the mini-display port. Connecting a ...
0
votes
0answers
92 views

A Monitor connected through Display Port (OR DVI-D) enters in sleep mode when accessing the first step of the USB Installation of Ubuntu 14.04.4 LTS

I have a: HP Z440 workstation and a: HP Z24n (24 inch, 1920 x 1200) monitor. I am booting form the Ubuntu 14.04.4 LTS booteable USB that I have downloaded today. I press ESC and access the Boot ...
0
votes
0answers
42 views

All panels gone and no terminal

I was booting up my laptop one day and entered my password wrong several times due to forgetting it. After finally getting in, I get to my account and find all the panels gone. I've tried everything ...
0
votes
1answer
138 views

how can i reset my display settings through terminal

i am using ubuntu 15.10.I accindently changed the size of the interface to maximun. Now my folders and windows are too large and dont fully fit the screen so i can not revert the effect. Is there any ...
1
vote
1answer
36 views

The desktop image moved to one side

Question update: The original install was fine. Later, the whole desktop image shifted to the right. I didn't change anything. If I boot into Ubuntu's "fail safe graphic mode," the desktop display is ...
-1
votes
1answer
19 views

Fonts not showing with ubuntu studio 14.04.4 and LCD TV, can you help me?

I'm using an LCD TV as monitor and ubuntu Studio 14.04.4; can't see fonts properly and most of the tweaks and tricks haven't worked so far. I have a geforce gtx 750 ti and using the HDMI cable. I've ...
0
votes
0answers
30 views

How to re-enable display resolution switching with Ctrl+Alt+Plus/-Minus

In the past releases of Ubuntu you could switch the active display resolution by pressing Ctrl+Alt+Plus (next possible higher one) or Ctrl+Alt+Minus (next possible lower one). At some point the ...
0
votes
0answers
40 views

Gnome Displa settings (primary) on ubuntu 15.10

I installed gnome today to my ubuntu 15.10 and I noticed that when I try to make configurations, I cannot set my external monitor to primary display. When I try to change "External monitor to primary",...
0
votes
0answers
10 views

Multi Monitor - Icons go offscreen

This issue is best shown by the image below. As you can see, the 1.archive folder has moved up to be slightly buried beneath the top bar. This issue gets worse with the further the dell monitor is ...
1
vote
1answer
146 views

How can I mirror two monitors with 14.04 on a Dell 5570?

I've just upgraded to a Dell E5570 and am running 14.04LTS. I want to be able to attach an external monitor, but in Mirror mode. (I'm running fvwm with multiple virtual windows and I need to be ...
0
votes
0answers
23 views

Fullscreen games cause multiple monitors to be mirrored

Whenever I make any games fullscreen, despite "mirror displays" being very explicitly UNchecked in System Settings, both of my 1600x1200 monitors become mirrored. Which is really annoying. Is there a ...
0
votes
1answer
189 views

How to use Android Tablet as a display for Raspberry Pi 2 running ubuntu mate 15.10

I'm using ubuntu mate for Raspberry Pi 2 on my RPI 2. I want to know that how I can use my Android Tablet running Android 5.0 (Asus Fonepad ME175CG) as a Monitor/Display for my Raspberry Pi 2. I don't ...
0
votes
0answers
26 views

Can not open preferences from Desktop Pager in Lubuntu 15.10

Click on Desktop Panel Choose ADD/Remove Panel Items Choose Desktop Pager Click Preferences Error message "Sorry, there was no window manager configuration program found" Where can I found Window ...
0
votes
0answers
17 views

Specify which monitor/screen that a browser to be launched into via awesome electron

Right now I have a web app serving multiple webpages via awesome electron. These webpages are served using the following codes: (I have multiple variables like "browser", and each is responsible for ...
0
votes
0answers
23 views

Problem with display on Kubuntu 14.04

I'm booting Kubuntu from a flash drive and the display is all messed up. This doesn't happen on any of the other distros I've done this with (Ubuntu, Slax, Zorin, MacPup), and I downloaded the iso ...
0
votes
0answers
22 views

Laptop monitor stays blank after external monitor unplugged (hot-swap issue)

Hot swapping of monitors no longer works properly. My netbook (Acer Aspire One AOD250) running Ubuntu 14.04LTS and formerly 12.04LTS does not recognise when an external monitor VGA cable is unplugged....
1
vote
1answer
128 views

Screen resolution is not saved after reboot

I'm using Xubuntu 15.10 on my GA-C847N motherboard. I can set appropriate resolution using the following command: sudo xrandr -s 1440x900 However, each time after machine is rebooted I'm getting ...
3
votes
2answers
195 views

Dual monitors (60 hz and 144 hz) games can only run in 144 hz if I unplug the 60hz monitor

On my Ubuntu 15.10 system I have two monitors powered by one Nvidia Geforce 660 ti: a 60 Hz monitor connected via DVI and a 144 Hz one connected via Display Port. Using nVidia or xrandr, I set my ...
1
vote
0answers
27 views

Dual Monitor Issue

I have connected my laptop to an external display and setup the external display to be on the right of my laptop screen. In the Display Settings, I have selected the option to have the launcher on ...
0
votes
1answer
49 views

Why Ubuntu 14.04 not Sending Correct Awakening Signal to a Display after sleep?

I have Ubuntu 14.04 which is not waking up a display if left running for the night. I must each time restart the PC and after which the PC detects the signal (using VGA). In the long run, the ...
1
vote
2answers
223 views

video drivers not working ubuntu. 800x600 only resolution

Just installed ubuntu 14.04 on Asus GL552. Forced resolution to 800x600. Graphics Card - Nvidia 960GTX (not working, thus uninstalled) Intel HD 530. (not in use) Kindly help me out, atleast intel ...
2
votes
0answers
50 views

Dim screen with transparent black image

The LCD backlighting of my notebook's screen uses PWM to dim the display, and because of this, I experience eye-strain whenever I lower the brightness. Maximum brightness however seems too much in ...
-1
votes
1answer
134 views

MATLAB installation error- set X11 display error

I am desperately trying to install MATLAB on ubuntu 14.04 LTS. I followed the instructions given in the pdf manual, however when i ran the command " ./install", it would be followed by three lines: ...
0
votes
0answers
70 views

GTK WARNING: Cannot open display on all applications

I am using Ubuntu 15.04. I ran a series of commands (apt-get autoremove, apt-get -f install, apt-get autoclean) when trying to install teamviewer and reinstall vlc and I managed to get my UI ...
1
vote
0answers
96 views

Slow boot time and stuck at shutdown with Ubuntu 15.10. How can I fix these issues?

Initially my boot time was really low, it used to boot in seconds and user processes were also up and ready to use within a minute, now for some reason my boot up really slow and also my system never ...
0
votes
0answers
115 views

Ubuntu X Display setting to 720p instead of 1080p by default

I have an Intel NUC computer which had Windows 8.1 installed in it running a kiosk application. Recently we changed the setup to Ubuntu Server 14.04 with X Display for the chrome kiosk. Back when it ...
2
votes
0answers
76 views

xrandr scale with vsync

I currently am using xrandr's --scale option to scale applications correctly on my hidpi monitor where the 2x scaling option provided by gnome shell is too large. I currently use these commands to ...
0
votes
0answers
40 views

Problems with resolution scale

I have some problems with my resolution scale. I've already searched for it but the commands I write in the terminal has errors every time. "xrandr --output LVDS1 --mode 1366x768 --scale 1.50x1.50 --...
0
votes
0answers
31 views

after installing ubuntu 14.04Lts desktop showing distorted lines,please help

Hello my pc configuration is as below: processor-Amd Athlon II x2 240 processor RAM-2gb Hdd- 160gb Graphics- gallium 0.4 on NV4C OS type- 64 bit I have formatted my Windows XP and installed Ubuntu ...
0
votes
0answers
25 views

How can I use some kind of default display driver on ubuntu?

I dug a somewhat ancient PC out of the garage to set up as a Linux sandbox for my kids. It is a 1Ghz P3 w/ 512MB RAM and 40GB disk. It is an all-in-one Compaq iPaq desktop circa 2000. I downloaded the ...
0
votes
0answers
56 views

Can't get correct resolution on second screen in 14.04

A few months ago I did an upgrade from 12.04 to 14.04 and it generally worked, but was quite unstable. I decided to do a fresh install of 14.04. First, my display system: GeForce 9500 video card, ...
0
votes
1answer
47 views

How to mirror two external screens at a Thinkpad X1 2015?

My setup looks like this: Lenovo X1 2015 Two external screens attached Running Ubuntu 15.04 What I want: Close the laptop lid and mirror both screens, so not extending them but let them ...
1
vote
1answer
229 views

System 76 Oryx Pro with Samsung 4k flickering issues

I got my Oryx Pro hooked up to my Samsung U28D590D. Using various connections I get the following behaviour: Displayport: random artifac happening across the screen (similar to artifacts) random ...
1
vote
0answers
86 views

Forcing 60Hz refresh with 4K monitor

I have a P2415Q Dell and it's been working brilliantly. Then this morning it inexplicably started refreshing at 30Hz and I cannot seem to set it back to 60Hz (there is no option higher than 30Hz in ...
1
vote
1answer
74 views

Unity not working properly after a crash

I had a graphics GUI crash where everything worked (my spotify was still playing, the stuff was moving in the game I was playing at the time and my mouse moved) except clicking and keyboard input (the ...
0
votes
0answers
49 views

“Failed to get size of gamma for output default” Really stuck :(

I recently installed Ubuntu 14.04 onto an old Advent laptop, but I'm unable to change from a default 640x480 resolution. The xrandr terminal command displays the error message shown in the title. I'...