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

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Multiple displays in Ubuntu/XUbuntu - Displayport with Adapter (DisplayPort to 2x DVI) + ATI Graphics

I want to be able to use the DisplayPort on my laptop hooked up to a [DP to (2) DVI] adapter to drive two external displays (both using DVI). This is the adapter I have: ...
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9 views

How can I activate a second monitor displaying a second screen?

I am new to Linux. I have Ubuntu 14.04 with 3.16.0-33-generic kernel. I would like to use a second monitor and have a second desktop projected there (I have read this is know as Twinview). I ...
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15 views

Dell XPS 13 won't recognize native resolution of U2413 Dell monitor

I have a Dell XPS13 developers edition laptop with Ubuntu 12.04. I am connecting the laptop to a Dell U2413 monitor via a minidisplay port on the laptop. I am able to connect the two and mirror my ...
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6 views

Display “All Windows” of Rainlendar

I am using the application rainlendar2 and by mistake clicked on the option "Hide all windows" which basically removes all displayed windows of the app. How can I turn them back on ?? PS: rainlendar ...
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8 views

Display keeps switching back to 1080i instead of 1080p

Is there any way to force X to always use the 1080p display mode instead of the (system preferred) 1080i display mode? I've tried using Modeline/PreferredMode in xorg.conf as well as using xrandr to ...
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4 views

xrandr custom resolution distorting display

I have a second monitor which Ubuntu does not recognise the native resolution, 1920x1080. Using the following commands I can get the monitor to run at 1920x1080, except it is distorted and blurry to ...
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0answers
45 views

VirtualBox: Display Size too small!! Can't reach or see anything, that includes the terminal!

Because I was tired of virtual box saying to update (even before I had a feeling it wouldn't be a good idea), I though well let's just get it over with... I'm running Lubuntu 14.10 (32 bits the ...
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36 views

why is my desktop scaled after starting in latest vivid

I'm running the latest Vivid packages and in the last update I did on Monday my laptop has started to do some strange scaling behavior once the desktop starts. I can see a flash at the lightdm login ...
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8 views

Thinkpad W540 running ubuntu connected to an apple display using thunderbolt

I'm wondering if there is some evidence that you can use an Apple Thunderbolt Display with a Lenovo that has a Thunderbolt port (W540 in my case) under Ubuntu. Is there some driver needed or specific ...
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1answer
28 views

Ubuntu 14.04 detects my monitor as a built in display

I just started using Linux and I literally know nothing about it. The current resolution is at 1024x768 and the other option is to change it to 800x 600. My monitor is 1920x1080. It also detects my ...
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34 views

External monitor not detected after upgrading from 14.04 to 14.10

My external monitor is not detected after i did in-place upgrade from 14.0.4 to 14.10. External monitor runs cropped to match my laptop's inbuilt display size and resolution. taran@Taran:~$ xrandr ...
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18 views

Set custom resolution when Display Data Channel is broken

I have a Samsung Syncmaster SA300 which broke a little while ago. After getting it repaired I have been struggling to set the full resolution for it (1920x1080) since the computer seems to think ...
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9 views

Pixelated display

I have installed lm-sensors on my Lenovo Y50 and when I ran sensors-detect during the last detection my screen flashed and became pixelated (the best description I can imagine, it kinda looks like crt ...
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74 views

Connect 14.04 laptop to TV, VGA to HDMI via adapter

During my research on this topic I've encountered many people who seem to have a similar problem, but none of the few solutions that I found did the job for me. Problem I want to connect my Thinkpad ...
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14 views

Display problem HP TC2120 [closed]

Hello i have recently encountered a display problem with old HP Server TC2120. The installation of Ubuntu 13.04 ( 32 bit cause of Pentium 4 ) was good and everything went smoothly but after ...
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1answer
14 views

Conky - Command Output Display Limited to 256 Bytes 'tail -n20 logfile.txt'

I am trying to display the contents of a large log file on the desktop using conky. I would like the 'window' to occupy the upper half of the desktop, and show the 20 most recent lines. I use the ...
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16 views

How can I disable DisplayPort-1 in grub?

How do I turn off/disable DisplayPort-1 in Grub? Specifically, I'm looking for something similar to GRUB_CMDLINE_LINUX_DEFAULT="video=LVDS-1:d", except for DisplayPort-1 instead of LVDS-1. This is ...
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0answers
16 views

Have fullscreen cover 2 displays

I would like to have a fullscreen display covering two side by side monitors (i.e half of the view on one screen and half of the image on the other side). This means a mode in which "fullscreen" is ...
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50 views

ubuntu 14.10 VGA output to 16:9 monitior “unknown display” 4:3 only, HDMI output correct

when connecting acer s230hl monitor(native 1920x1080 / 16:9) via vga, ubuntu 14.10 display setting shows unknown display and only offers 1024x768 and 800x600 4:3 resolution options, but when ...
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1answer
15 views

App suggestion to handle window tiling on a large display

I just upgraded my dual-monitor setup to a 50 inch 4k ultrahd display and I am looking for some solutions to handling tiled windows on it. I know windows has a few third-party programs that help with ...
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23 views

Display Settings on AC and Brightness key

I have recently installed Xubuntu 14.02 on a Lenovo Thinkpad E555 I got everything working however I have had these problems: When connecting AC power to the computer the Display Config comes up. ...
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28 views

Dual Displays stuck to mirror

I'm running Ubuntu 14.04 on a ThinkPad T440p with NVIDIA vga driver. I have a docking station with 2 monitors connected, one on vga the other on dvi, and they're on mirror mode. Only one is detected ...
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53 views

Resolution and unknown display problem with external monitor

Everything was working fine for a year up till this morning. I disconnected and reconnected my external monitor while cleaning and instead of Ubuntu beautifully handling everything on its own, I'm ...
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1answer
44 views

Can't create custom screen resolution, and terminals are inaccessible

I've been trying to get this to work for a long time, and Google has been no help although there are many suggestions. I have a second monitor plugged in by a DVI to VGA converter. My Nvidia card and ...
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0answers
12 views

pixel rows in display being shifted horizontally

on my local and extended displays for my laptop running ubuntu 14.10, random rows of pixels will shift left or right. The computer will boot and be fine for a while, but as soon as you start doing ...
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1answer
141 views

Ubuntu 14.04 — 2 Monitors only acting as 1 monitor

So this is an issue of both my monitors ARE working, but they're being treated as if they're one monitor with a resolution of 3840x1200 * 1 instead of 1920x1200 * 2. I'm looking for the standard setup ...
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15 views

How to make xorg aware of screen size

I have a Macbook Pro 15" with Retina display. Unfortunately, this means that text and everything else is painfully small on the built-in display by default. Adapting my interface to the resolution can ...
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1answer
23 views

How to enlarge the tty window in Ubuntu server 14 under vmware player?

I'm running a headless server under vmware and the tty window is too small, maybe 800x600. I have installed the vmware tools, but the tools seems to have bugs, so the full screen mode seems buggy ...
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56 views

How to rotate the LCD screen/framebuffer to 180 degree in console?

I have custom board with i.MX6Q SoC. I am using Linux kernel 3.03.35 and LCD is 3.5 inch RGB type display. I want to rotate my LCD screen to 180 degree. I tried a lot to pass parameters to > ...
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49 views

How to disable a monitor at startup?

I am using a notebook with a broken screen, and a monitor. I was having this problem, and pressing the fn key coresponding to the monitors set up worked when logged in. Eventually I managed to fix ...
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1answer
29 views

Display issues on Ubuntu

I recently bought brand new Dell Inspiron 15 3000 with windows install. As our company works with ubuntu I format it and install Ubuntu. After the installation completed the and the ubuntu loaded the ...
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19 views

Blank black screen after Installing ubuntu 14.04

System configuration: Processor - AMD 2*64. Hard disk - 160gb. RAM - 1Gb. After installing Ubuntu 14.04(64 bit) I just get a black working window and the laptop doesn't respond at all. Is the ...
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14 views

How do I keep Ubuntu on MacBook Pro 11,2 from resetting my display's resolution when I add an external display?

I've scaled down my retina display to half resolution. When I add any external display (HDMI or DisplayPort/DVI), the main display always reverts to native resolution. Unplugging the external ...
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124 views

Ubuntu 14.04 HDMI switch crashes graphic display

I have an intel nuc connected through an HDMI switch to my TV running ubuntu 14.04 with the Kodi-standalone or just Kodi ontop of the ubuntu desktop. The setup works fine until I use the HDMI switch ...
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67 views

icon scaling seems to work partially on a dell 4k display. I'm using ubuntu 14.04

a newbie here. I'm using a dell 4k display on ubuntu 14.04(up-to-date so far). I have already followed the instructions on this link - Adapt Ubuntu to a high-DPI resolution screen - it struck me ...
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0answers
33 views

large monitor off center display

I use a Sharp 42" TV as my only monitor and sometimes the display is off to the left so I can't see the launcher. However, if I move the cursor to the left, I see the tail of some of the longer ...
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1answer
42 views

Unknown display 14.04.02 LTS

So as the install of Ubuntu i cant change the resolution in settings. I tried to change it using the terminal but still didn't help. So how to solve this problem ? I'm using the recommended ...
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1answer
22 views

Mouse flickering again

The first time mouse flickered i was told to change display settings, and i did and no more flickering. But the mouse flickering problem has now come back for some reason. Everything was good these ...
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22 views

Searched high and low - Forcing my second monitor resolution and making those settings last after boot [duplicate]

So I have a second display plugged into my laptop. The maximum resolution for the monitor is 1280*1024 but the best I can do through settings is 1024*768. I have gone through the stages of using ...
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0answers
7 views

How can I make Ubuntu disable my TV as a display when I turn it off?

I use intel graphics HD. I think my computer can tell when I turn off the TV because my main monitor flashes. How can I make it disable my TV when it is turned off so that I don't have Apps on that TV ...
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0answers
23 views

My system shows the loading screen then goes blank. Is it a driver problem? [duplicate]

My system says "Ubuntu" and those dot things representing it's loading. When it then should show the log in screen, it goes blank. If I push the system power button, it says it's shutting down. Could ...
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73 views

Bad resolution (max 1024x768)

I installed Ubuntu (Elementary OS) a week ago and the resolution was always max 1024x768, but I want 1920x1080. I have searched in the internet for solutions, but I didn't find working ones. I tried ...
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1answer
35 views

Unknown display

I recently acquired myself another display for my computer, unfortunate it had VGA access and my computer only supports DVI. So I bought a converter from VGA to DVI. My problem now is that, when I ...
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1answer
63 views

What does display UNCLAIMED mean?

Having added a second video card to my computer I am having difficulties getting it to work. I have connected a television to this second video card, but I don't get any signal on the television. ...
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0answers
42 views

Mouse cursor flickers and disappears, unknown display in display settings

I've just installed Ubuntu using the most recent ISO from online onto my desktop Computer. I have an AMD Radeon 6770 Graphics Card. The cursor keeps flickering and disappearing on the screen. I also ...
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26 views

Screen is too small, doesn't fit into screen?

My screen model is an ASUS VG248QE and it's 1080P, 24" Monitor. The scale of the screen was perfect until I've installed the fglrx (AMD Drivers because not sure if it's the correct spelling) the ...
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0answers
52 views

Ubuntu can't detect my second monitor

I know that there were already several people with the same problem, but I couldn't figure out how to solve this problem myself. I am a complete beginner with Linux and Ubuntu (I am using 12.04) and ...
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140 views

Booting to black screen ubuntu 14.04.2

Please Help. When I boot up I just get a black screen that never goes away. I tried booting ubuntu in recovery mode and it said: display adapter :[FAIL] ( something like that show up). It could be ...
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21 views

Consistent graphical issues damaging my Ubuntu experience

I recently switched from Windows to 100% Ubuntu. So far everything has been an improvement except consistent graphical issues which just happens to be the single most important factor (can't see ...
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1answer
100 views

2560x1440 HDMI monitor stuck at 1920x1200 resolution

SONY laptop SVS151190X with Intel IGP: 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) Linux 3.13.0-45-generic #74-Ubuntu SMP x86_64 x86_64 ...