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

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15
votes
3answers
22k views

Flux for ubuntu 14.04 - possible?

Is it possible to make Flux work in ubuntu 14.04? If so, maybe you can share your knowledge or point me to a guide? (Flux is software which adjusts temperature of your display according to time of the ...
0
votes
1answer
19 views

Mouse pointer issue or cursor

I have installed Ubuntu 14.04.2 LTS and I am new to Ubuntu, I have seen issues in different applications. The issue is where ever I move my mouse pointer it erases the text, it is not permanenet issue ...
0
votes
1answer
632 views

Is this 4k resolution support, or 1080-?

I am having an issue with Ubuntu. I am running the latest version under Oracles VirtualBox. The highest resolution it will accept is 1600x1200. I have a new Samsung 28" UHD 4k display. I need to run ...
0
votes
0answers
94 views

Display goes weird on raising lid after keeping it closed for some time

I've got Ubuntu 14.04 on my Sony Vaio SVE15137. The issue is, when I shut the lid of the laptop (my settings let it stay running, it doesn't suspend or lock the screen), and raise the lid after,say, ...
1
vote
2answers
79 views

How to run xrandr commands at startup in Ubuntu

How can I run the following xrandrcommand on startup? xrandr cvt 1368 768 xrandr --newmode "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync xrandr --addmode VGA1 ...
1
vote
0answers
7 views

Screen streching and shifting

I'm running Ubuntu 15.04 on my secondary computer. It has a MSI FM2-A55M-E33 motherboard and a AMD CPU, running off of the integrated graphics. It's currently hooked up to a HP 2009m monitor, and ...
0
votes
1answer
38 views

I cant adjust my screen resolution. Error

When I increase my resolution in the screen disply and click apply, I am redirected to the Ubuntu user login screen. I enter my password to open my desktop but no changes have been applied. Please ...
1
vote
0answers
13 views

Pixelation and Low-Performance GUI on Install and Boot

On my desktop, whenever I try to install a new version of ubuntu, the live CD/USB Drive boots up with a GUI that's scaled for my resolution (1440x900), but the pixel size is two or three times the ...
5
votes
3answers
139 views

Apply display settings to all user accounts?

I spent some time getting my settings correct for multiple monitors, and that is working fine when I am logged in, but is not right at the login screen or for other users. How do I set the display ...
2
votes
0answers
73 views
+50

Same image on two external displays with a Lenovo T550 and a docking station

I have a Lenovo T550 without NVIDIA graphics (only an Intel Broadwell-U Integrated Graphics). This works fine with the internal display. Now I want to attach two external monitors to the docking ...
0
votes
1answer
27 views

Displays do not extend

I have two monitors connected to my computer, one on the VGA and other on the HDMI output. But I am not able to extend these displays. Both monitors show the same thing. When I go to display settings, ...
2
votes
0answers
31 views

Text not displaying on Ubuntu 14.04

When I try installing Ubuntu 14.04.2 on my Macbook Pro Retina, the text won't display on any of the programs. Images:
0
votes
1answer
36 views

External display adapter (SIIG) does not work in Ubuntu 14.04

I have Ubuntu 14.04. I wanted to add another monitor to my Lenovo laptop, so I bought an external video adapter (USB-2.0 to VGA). Interestingly enough, the adapter displays the Ubuntu login prompt, ...
1
vote
1answer
45 views

How to get multiple displays working with docking station?

I shortly installed Ubuntu on my Notebook. Standalone everything works like a charm, but if I connect it with the docking station the displays will not work like they are meant to be. So after three ...
7
votes
3answers
10k views

Ubuntu 14.04 - Add Fake Display when No Monitor is Plugged In

I have an Ubuntu 14.04 server that has no external monitor connected. I use NoMachine to remote control the machine. When I do so, the Unity/Gnome interface doesn't see any monitors connected, so I ...
0
votes
0answers
18 views

Brightness not working Ubuntu 15.04 on acer aspire 7715z

If anyone has any suggestions or links, I'd be truly grateful. The brightness is not working, the screen stays at maximum brightness. Thank you for your help. I followed the instructions from the ...
-1
votes
1answer
66 views

Virtualbox: How can I get a usable screen resolution inside the Guest OS [duplicate]

I have just installed the virtualbox application on my Ubuntu 14.04 OS (host OS). I then installed another Ubuntu 14.04 "inside" the VM i.e. the guest OS. The problem is the resolution is tiny and ...
3
votes
4answers
4k 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 ...
0
votes
0answers
15 views

KDM (maybe) freezing occasionally, usually on login screen

I am running Kubuntu 15.04 on my Sager NP8268. I have played with Linux in the past and am re-introducing myself to it right now. I am experiencing random freezing, most often on the KDM Login screen. ...
0
votes
0answers
22 views

Dual monitor in ubuntu 14.04 - second monitor stays black/in power save mode

I've read a similar problem and answers (title: second monitor stays black/in power save mode) here. But, I still don't know what causes this problem and how to solve the problem. Can anybody help? ...
20
votes
9answers
29k views

Change Primary monitor

How do I change my primary monitor without using the command line?
0
votes
2answers
161 views

Some aplications run, but have no visible application window

I have a strange problem with the visibility of application windows (Unity / 14.04). Sometimes an application seems to be running, but without a visible window. When I click on their launcher icon, ...
3
votes
2answers
6k views

Turn off laptop display and have monitor

My laptop display has stopped working and is unfixable! Anyway, I got a full HD monitor and plugged that into the HDMI port of the laptop. I have changed the power settings so that I can close the ...
0
votes
0answers
11 views

Lenovo B5400 display switch device doesn't work Fn+F3

I have a laptop Lenovo B5400 since half a year with Kubuntu 14.04 installed. I hadn't have any serious problems until connecting the laptop to an external display. Now it works only with an external ...
23
votes
6answers
25k views

What is the function of the “Sticky edges” on/off setting in displays?

I have installed Ubuntu 12.04 (Precise Pangolin). If I open System Settings >> Displays there is a new (?) on/off button for a setting named Sticky edges. Can someone tell me what this setting ...
1
vote
1answer
60 views

Colors on display are washed out

I have a Dell Inspiron 15 3000 series, with an Intel HD5500 graphics card, running Ubuntu 14.04. My problem is that the colors on the screen are all washed out. They also look too blue. I have tried ...
3
votes
3answers
229 views

Changing to a lower screen resolution without stretching

When I change the screen resolution of my laptop from 1366x768 to 1024x768 via [Displays ...], the entire screen is still filled, stretching the picture uglyly. How can I have a pixel wise 1-to-1 ...
1
vote
0answers
66 views

Ubuntu 15.04 Second monitor detected but cannot enable it on one account only

I recently installed Ubuntu 15.04 on my new computer and connected a second monitor to it. When I log as the first user created on the computer it works fine, but with an other user, the monitor ...
0
votes
0answers
17 views

Logging in to Ubuntu without a Display manager

So I want to login to my system without a display manager(lightDM). How would I go about doing this? or Could removing lightDM break the system? My current WM is i3. so i3 specific instructions would ...
0
votes
1answer
17 views

Is it possible to extend the desktop without hooking up a second monitor?

I have a Microsoft Surface RT tablet that I want to use as a second monitor for my Ubuntu laptop using Splashtop Remote Desktop as in this video : https://www.youtube.com/watch?v=ldb0RvmXzsA So far, ...
3
votes
2answers
53 views

How can I list connected monitor(s) with xrandr?

I'm working on developing a python application for Ubuntu that enables a user to have their desired resolution without requiring graphics drivers. In order to do this I've been using xrandr, which so ...
3
votes
4answers
4k views

Dual Monitor not recognized in Xubuntu 14.04

I have a Dell Latitude Laptop E6440. The laptop have two in4terfaces, VGA and HDMI. I connect an external monitor to the VGA port, but when I ran the xfce4-display-settings I see only one monitor (the ...
1
vote
3answers
73 views

Dual monitor problem (only 1 monitor displays)

so I have 2 working monitors, and after installing Linux ChaletOS x64 (based on Ubuntu 14.04) only one of them is displaying. Now at 1st neither would show anything pass the bios, so i changed them ...
3
votes
1answer
4k views

Ubuntu 14.04 Unknown Display, nvidia graphics

I tried the @Golboth solution in this thread. Worked sometimes, it has an intermittent behavior, sometimes work, most of times doesn't work. Installed Nvidia drivers, Ubuntu detects the Graphics : ...
1
vote
2answers
17 views

Displays setup incorrectly after waking

I have a slightly irritating issue that I haven't found an answer for on the Internet. I have a laptop running Ubuntu GNOME 15.04 with an integrated Intel graphics card, a discrete Nvidia graphics ...
23
votes
2answers
28k views

Adapt Ubuntu to a high-DPI resolution screen

What are the steps you need to adapt Ubuntu on a fresh installed Laptop with a high resolution display? I have a display with 3200x1600px on only 11'' which is all realy tiny.
1
vote
1answer
63 views

Dual Monitors Stayed Mirrored

I am running a T450 with Intel HD Graphics 5500 with Ubuntu 14.04 LTS. I am also using a Lenovo Ultra Dock that supports a DVI input and a VGA input. Whenever I connect two monitors to both the DVI ...
0
votes
0answers
32 views

Gtk-WARNING **: cannot open display: on Ubuntu 14.04

I can't open the computer: (ubuntu 14.04). Please help me. Thanks very much! This is images: http://i.stack.imgur.com/a2mmH.jpg Some error: Failed to fetch http://ppa.lauchpad.net.... p/s: my ...
0
votes
0answers
16 views

Need to fix fonts which are too large to be able to use the GUI. 14.04

From the Unity sidebar I can open System Settings, Displays, Resolution. But the resolution is already set at 1920 x 1080 (the max allowed) and I also can't access the Apply button to apply any ...
0
votes
1answer
32 views

Unable to Edit Display Settings in 15.04

I just installed 15.04 on a new machine, and when I click on the gear icon in the top right, click System Settings, and click Displays, nothing happens. The window closes/crashes. How can I fix this? ...
1
vote
2answers
6k views

phpMyAdmin - Display all queries

I have installed a fresh desktop with ubuntu quantal and the following packages versions: MySQL: 5.5.28-0ubuntu0.12.10.1 Apache: 2.2.22 (Ubuntu) phpMyAdmin: 3.4.11.1deb1 I would like ...
0
votes
1answer
14 views

Nvidia Higher Resolution becomes bright and grainy

Does anyone know how to solve this issue? I'd like to use the higher resolutions, but when I do the display becomes annoyingly bright and grainy. I can confirm it happens on the Geforce 610 and higher ...
1
vote
0answers
5 views

Ubuntu and High Resolution Displays (Retina Displays)

What is the current state of Ubuntu's Support for retina displays? There are a ton of discussions which are months or years old. Is there a usable support yet?
0
votes
0answers
38 views

Can't click mirror display and can't connect laptop to tv with hdmi

I have a laptop Asus N46V and when I try to connect it to my tv with a hdmi cable nothing happens. I tried to click mirror display but it's in grey and UNclickable. When I installed Ubuntu 14.04 I had ...
2
votes
2answers
4k views

Correct Display configuration. Errors while trying to arrange displays

I am trying to set up my tv with my laptop trough a VGA cable. The display application in Ubuntu throws a lot of errors to me and I have given up in trying to do it myself. I try to apply the 1920 ...
2
votes
2answers
4k views

Can not change display resolution on a Sony VGN-FZ21M

My Sony Notebook VGN-FZ21M does have a NVIDIA grafic card with a VESA G86 Board - e415h01. My Problem is, that i can not change the display resolution from 1024*768 (4:3) to 1980*1280. I tried to in ...
8
votes
2answers
2k views

Ubuntu 12.04 Unity: Black screen with cursor only, when external display is connected before booting laptop

Whenever I connect an external display to the DSub port of my laptop before booting into Ubuntu, something goes wrong in Unity to cause the exact same problem as described here: After logging in, ...
2
votes
3answers
14k views

How do I use a second HDMI-connected monitor?

I've looked around for answers to this, but nothing I've found has been relevant, which seems a little weird but there you go. All I'd like to do is drive a second monitor via HDMI from a laptop. From ...
0
votes
0answers
50 views

Change TTY resolution in 15.04

I am trying to change the resolution of the TTYs (the ones reachable with Ctrl+Shift+Fn) on Ubuntu 15.03. I have consulted these sources: ChangeTTYResolution Higher resolution when switching to tty ...
2
votes
0answers
162 views

How to fix: too short external monitor's resolution after HDMI reconnect until reboot?

I am working on a notebook with external monitor via HDMI and experiencing the same problem each day - in one specific case the external monitor's resolution is not set correctly - gets 1600x1200 ...