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

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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. ...
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1answer
70 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 ...
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0answers
40 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 ...
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0answers
63 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 ...
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0answers
103 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 ...
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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
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1answer
291 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 ...
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1answer
38 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 ...
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1answer
21 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 ...
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0answers
31 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 ...
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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",...
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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 ...
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1answer
149 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 ...
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0answers
25 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
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1answer
214 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 ...
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0answers
30 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 ...
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0answers
18 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 ...
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0answers
25 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 ...
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0answers
29 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....
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1answer
179 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
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2answers
232 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 ...
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0answers
28 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 ...
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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 ...
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2answers
266 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 ...
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0answers
51 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
170 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: ...
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0answers
81 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 ...
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0answers
102 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 ...
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0answers
126 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
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0answers
92 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
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0answers
43 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 --...
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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 ...
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0answers
26 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 ...
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0answers
57 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
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1answer
58 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
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1answer
257 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
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0answers
102 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
75 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
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0answers
62 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'...
0
votes
1answer
18 views

help needed recovering filesystem for backup

Got myself in a bit of trouble on a previously smoothly running system. Here is the story so far: yesterday I switched to a propriatary ATI driver instead of the Nouveau driver that I ran uo to that ...
1
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1answer
83 views

ValleyView Gen7 display does not work on Ubuntu 12.04.5

Installed 12.04.5 from the ubuntu-12.04.5-desktop-i386.iso image. After installation, I was able to boot into the graphical user interface desktop every time. Did sudo apt-get update, then sudo apt-...
2
votes
2answers
191 views

How can I automatically switch off internal screen when an external screen is connected?

Windows user over here, jumping on the Ubuntu train. Currently using 14.04. I have a TV that I use for viewing movies and such, connected through HDMI. I'd like to accomplish the following behaviour ...
2
votes
0answers
180 views

Screen Flicker after using Skype

Last week I got a new Asus Zenbook ux303ua, which I proceeded to install Ubuntu onto (my first time running Ubuntu or Linux). Everything has gone pretty smoothly over the last week however today I ...
0
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0answers
99 views

DisplayPort adapted to VGA works in GRUB and Windows but not in Ubuntu

I have a Zotac CI320, which has Intel HD Graphics on its Celeron N2930. Up until now, I've been using the HDMI output, which works fine. I'd like to switch to using it with a VGA monitor input, so I ...
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0answers
30 views

Distorted UI - Ubuntu 14.04

UI at certain locations get distorted, happened in browser, software and many other apps. I have been an ubuntu user for years and have never seen such issue, although the distortion get fixed if I ...
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0answers
54 views

Default display settings locked to 640x480

Just installed 12.04 as a VirtualBox virtual machine on my original MacBookPro (32bit) running OS 10.6.8. Screen is 1440x900pixels. Display systems settings are locked (fadedout; no choice) to a "...
0
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1answer
152 views

Connecting Second Monitor to Laptop via VGA Cable - Screen detected, but screen says no signal [closed]

I have a ThinkPad T60 and am running Ubuntu 15.10 (I was having this problem on 14.04, so hoped updating might fix it). My second screen is a TV monitor, but I've attempted connecting to other ...
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0answers
6 views

Display Not Working If Plugged In After Bootup

I have a wider problem I'm trying to troubleshoot than the question I'm going to ask (so bare that in mind when you wonder why I'm trying to do what I'm trying to do). If I boot my computer without ...
0
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0answers
52 views

Losing monitor setup when logging out

I would like to keep my monitor configuration when restart/logging out of the machine. Upon logging into the machine I see the following error. I have 3 monitors, 1 laptop and 2 extended from this ...
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0answers
16 views

Change Resolution To Size Not Operable By Monitor

I have a Ubuntu server with a monitor attached to it. The monitor is capable of a maximum resolution of 1680:1050. I have now disconnected the monitor and I want to change the display resolution to ...