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

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Display Contrast Ubuntu 14.0.4 x32 on Elitebook2560p

I downloaded icc-profiles and icc-profiles-free from apt-get and this gave me a few more options inside Gnome-Color-Manager / but I still have no option to Calibrate (button is disabled) and all of ...
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71 views

Display freezes temporarily with nvidia drivers on 14.04

I'm having a problem with my ubuntu 14.04 LTS laptop, with nvidia drivers. Every so often the display freezes. There doesn’t seem to be any pattern to it and the computer keeps running fine. I can ...
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1answer
36 views

'Unknown Display' in Ubuntu 14.04

I just installed Ubuntu 14.04 and the first thing I noticed was that in the display settings, my monitor was not recognized. I tried every solution that I found in the forums but nothing actually ...
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1answer
125 views

Wrong resolution - cant change

I'm not new to Linux, but I newly installed it on this PC. Its been as smooth as always, but I have a problem with the display. It runs in 1024x768 on a 1920x1080 monitor, which is not exactly fun. In ...
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23 views

CLI: Defoult monitor and it's resolution

To keep long story short: I have 3 monitors plugged into my computer. Main (1920x1080) via DVI, secondary (1440x900) via D-sub and a TV (720p) via HDMI. I want to have CLI (and possibly GRUB) on the ...
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52 views

Two displays detected for the built in screen, no external monitor capability

I'm using a Lenovo W530 and I have a problem after recently updating 14.04. I'm using the nvidia-331-uvm driver which was doing fine until I updated yesterday (10th November 2014). Now my laptop ...
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20 views

NVidia SLI Mode

Im trying to figure out how to enable SLI on my device. i used this command theshadowone@LinuxBox:~$ nvidia-settings | grep SLIMode ** Message: PRIME: No offloading required. Abort ** Message: ...
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1answer
68 views

system freeze after monitor power save

I have a Lenovo ThinkPad running Ubuntu 14.04 LTS with a DELL U2414H connected via the Display Port as a secondary display. When the monitor goes to power save mode and I try to wake it up, I get the ...
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165 views

14.10 two monitors with GeForce GTX750

I have some problem with my desktop pc and Ubuntu (both 14.04 and the newest 14.10). My pc has two monitors: the first one is old and has only VGA (D-SUB) plug - I plugged it to Intel Graphics ...
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153 views

Ubuntu 14.10 screen artifacts - How do I fix?

Please tell me how do I fix this problem? I have no graphics card for your information 00:00.0 Host bridge: Intel Corporation 82Q35 Express DRAM Controller (rev 02) 00:01.0 PCI bridge: Intel ...
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70 views

configure Intel integrated graphics in thinkpad to drive external 4k display only, via HDMI, using xorg.conf

Using the interactive displays configuration tool from the Ubuntu desktop, I have successfully configured this Thinkpad X1 Carbon (2014) with its integrated Intel video to drive an external display at ...
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12 views

Monitor not displaying window text

I just installed 14.04 on a Dell Dimension XPS system using a Dell LCD monitor (Model E177PFf) and while the display is good overall, I've discovered that not all text contained in a window displays. ...
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1answer
51 views

Ubuntu Display Error Chrome Ubuntu 14.04.01

I have a Problem. My Display making a Blackscreen if i opening the Chrome Webstore or something from Google. I become a Blackscreen and dont can become it on. Help Me. (Oh i have a Problem with Ubuntu ...
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31 views

Ubuntu refuses to recognize my external monitors

I'm running Ubuntu 14.04 as a guest OS using VMWare Fusion 6. My machine is a MacBook Pro with and Intel Iris Pro graphics chipset, running OSX Yosemite. I have two external monitors plugged in to the ...
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169 views

DisplayPort monitor not detected if switched off and on again

I am running Ubuntu Desktop 14.04 on a desktop PC with a Nvidia GTX 660 connected to a HP LP2475w 24" monitor over DisplayPort. It boots up fine, but if I switch off the monitor and switch it on again ...
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45 views

$DISPLAY env var gets cleared at random times

Stock Ubuntu 14.04 Trusty. I seem to regularly experience the $DISPLAY environment variable getting cleared for some reason I don't understand. Basically everything will work just fine until it's ...
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4 views

Job of Gallium3D on Linux

Question 0: when a Linux OS is up and running with a hardware graphics accelerator supprt (VGA Card Support), what is the job of software like Gallium3D required to do? Does it pre process the ...
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21 views

How do I completely update my ubuntu software?

This is a dual fold question. May someone guide me to the right source? When m Ubuntu was instailled, it overwrote Windows 8, but partially. I wanted Windows 8 completely gone. I can tell that Ubuntu ...
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1answer
12 views

changing the display properties of grub

I would like to remove the rectangular box and the instructions displayed along with the (entries) in grub that appear during the boot.I searched for the grub design file but i couldn't find one apart ...
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26 views

Ubuntu 14.04 display appears gibberish on my lg rd405 laptop

i installed Ubuntu 14.04 on my LG RD 405 laptop which contains ATI Radeon Xpress 1250 graphics card. The issue is that the display appears gibberish and distorted. I have attached a screenshot my ...
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1answer
28 views

Display issue with Ubuntu 12.04

I updated from 10.04 to 12.04 and am seeing the following screen which is very disturbing. Not sure what the issue is. Is this a known issue?
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281 views

Screen resolution messed up on Ubuntu 14.10 with Nvidia 331 driver

I am using the Nvidia 331.89 (nvidia-331) driver as recommended by Ubuntu 14.10. When I boot my machine using an external monitor and my laptop's screen on, the displays are mirrored by default with ...
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1answer
54 views

Unplug external monitor, laptop display not coming on

In Ubuntu 14.04 if I unplug my monitor from HDMI and open my laptop, the built-in LCD doesn't come on. Only after hard rebooting am I able to get back to a state where my laptop screen is the primary ...
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99 views

2nd Monitor not displaying anything with Multiple X Screens

Specs: Unity Nvidia Quadro K2200 - 340.46 Drivers Multi-Monitor: ASUS P287Q (4K main, DP 1.2) and Generic Lenovo Thinkvision 1600x1200 monitor (DVI) Since I have different DPIs on both screens, I ...
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55 views

xrandr and multiple displays

So I'm pretty new to Ubuntu and Linux in general. I have Ubuntu 14.04 installed on my laptop and want to attach another monitor. The native laptop display is running at 1366x768 and my monitor is ...
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1answer
19 views

Laptop display stopped working with correct resolution for no reason

I'm, running latest xubuntu on a laptop with 1366x768 resolution and Radeon 4330 card. Default radeon driver. Never made any manual config changes, everything ran smoothly for a couple of months after ...
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72 views

How change display resolution settings using xrandr ubuntu 14.04

How can I change my netbook screen resolution permanently ?. It is what sreen after xrandr command Screen 0: minimum 320 x 200, current 1024 x 600, maximum 4096 x 4096 VGA-0 disconnected (normal ...
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32 views

Ubuntu 14.04 Screen Issues

I am having some screen issues when I try to install 14.04. I get this every time I try and install ...
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33 views

Unable to connect to X11 display. is $DISPLAY set? - Yes, it is

I'm trying to run this in my /etc/init.d/rc.local. I had to manually add the exit 0 because it wasn't there by default if that makes any difference. cd /home/john/xcape && ./xcape -e ...
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66 views

Chrome 38 displaying weird colors and Fonts ubuntu 12.04 LTS

I have updated google chrome from 34 to 38 stable version by downloading .deb from their official website. After the update chrome is giving weird Display. I'm on Ubuntu 12.04 LTS . This colour ...
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19 views

Display is broken after login [duplicate]

I have big problem with settings $DISPLAY and xorg. After login to my account screen is black for few seconds and back to login page again. It is only for one account on my computer and I think I need ...
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55 views

Set user-created display mode as default for device with xrandr

On my notebook, for VGA connections only a resolution of 1024x768 is detected. This I by creating an ~/.xprofile file xrandr --newmode 1680x1050 146.25 1680 1784 1960 2240 1050 1053 1059 1089 ...
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58 views

Brigthness Display and Power Management

Please help. I'm using Ubuntu Gnome 14.04LTS, I need to tweak my Brightness Display to consume long battery life. I want to have 50% Brightness Display when I'm Unplug and 100% Brightness Display when ...
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47 views

Brightness and Power management

I'm using Ubuntu Gnome 14.04LTS. I want to tweak my Brightness setting to consume long battery life.I want to have 100% brightness when Im on Plug and 50% brightness when Unplug However when I go to ...
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27 views

My PC's display is being detected as Laptop in Ubuntu 12.04

Recently my PC suddenly stopped booting. It was stuck at the splash screen. So, I followed various articles on the web and finally could fix it. Now, the issue is that my PC's resolution is set to ...
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47 views

black and white vertical lines in ubuntu 14.04

I have just installed Ubuntu 14.04 64bit yesterday in my PC. But today, desktop turned into striped lines many times and I had nothing to do except pressing the power button on CPU. Don't know why ...
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1answer
48 views

Ubuntu Thinks I Have Two Monitors

Ubuntu thinks I have two monitors when I'm on a laptop. Here is my setup: Lenovo W520 Ubuntu 14.04 64 bit Nvidia Proprietary drivers (340.46) Symptoms: Display (and nvidia-settings) shows a ...
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23 views

Display switcher indicator

Is there a display switcher indicator for Ubuntu like on Windows when I hit the button for the display switching? I hit the button accidentally sometimes, therefore it would be cool. windows display ...
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23 views

System Settings -> Display -> Size & Orientation -> I clicked on the disabled button, and now I can`t enable it

In order to set resolution via GUI, user should click on the following: System Settings -> Display -> Size & Orientation and then set the desired resolution. In the Size & Orientation ...
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34 views

How to get native resolution of a monitor?

My Ubuntu installation seems to have magically guessed my monitor's native resolution (it's the mode it's set to on startup). Unlike most, my monitor's native resolution is NOT its highest ...
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1answer
60 views

How to launch GUI app (in Ctrl+Alt+F7) from tty (Ctrl+Alt+F1-F6)

I want to know that how can I launch GUI apps from tty (Ctrl+Alt+F1-F6) into GUI mode (Ctrl+Alt+F7) Sometimes, users having problem with GUI mode like: can login to GUI but Launcher is not working or ...
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57 views

HDMI Issue - Can't disconnect from TV/External Display

So here is the situation.. When I first came back to ubuntu (14.04) I experienced a fail at wake from suspention. My Hp Pavilion G4 would turn on as expected but screen would be off (not blank, ...
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2answers
89 views

Blank display after upgrading to Ubuntu 14.04

I am trying to upgrade my system from Ubuntu 12.04 to 14.04. Everything installs well but the desktop appears blank. I have enabled Ubuntu Unity program after going into CCSM, rebooted the system but ...
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171 views

Monitor connected to VGA1 went blank!

I have been able to work for the last 3 weeks on two monitors on a Xubuntu 14.04.01 without a problem. All the monitors have been detected nicely and everything run smoothly. One of the monitors is ...
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1answer
16 views

play sound on different outputs, based on what display its the “player” is displayed on?

Is there any way to play sound on different outputs, based on what display its the "player" is displayed on? E.x if its played on the computer screen it uses analog output, but if its displayed on ...
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1answer
28 views

Multi display. how to fullscreen on selected/used display?

Multi display. how to fullscreen on selected/used display. I've tried DISPLAY:=0/DISPLAY:=1 but that does not work on most applications... Nvidia propetary drivers btw.
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175 views

auto resize guest display grayed out under virtualbox

cannot select "auto resize guest display" or Host-G, because it is grayed out; as a result my ubuntu GUI screen running under VirtualBox does not show the whole page. For example, if I select system ...
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1answer
107 views

Display screen resolution not correct in Ubuntu 14.04

Display setting are incorrect, and can't be changed in System Setting for Ubuntu 14.04 I have a problem with screen display that the header is not shown in full font (just like to "Ubuntu ...
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111 views

Ubuntu 14.04.1 LTS never remember primary screen/monitor resolution

I use Ubuntu GNOME with Nvidia graphic card (two HDMI and one DVI output). My monitor is connected through VGA - DVI adapter and work natively in 1920x1080. Since I was unable to change my screen ...
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49 views

Screen resolution lost after restart (14.04 64bit)

Screen resolution setting is lost after restart, either goe's to a low default or display goe's blank and have to reboot. Have only changed from 20" to 24" acer monitor which has a higher resolution, ...