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

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2
votes
1answer
95 views

dual display problems on ubuntu 15.10 with amd r9 380

I have recently upgraded to ubuntu 15.10 and when I first booted the computer I was only one of my two displays was turned on. So I decided to intsall the ampgpu patched 4.3 Kernel and that allowed ...
6
votes
2answers
6k views

External Monitor Resolution doesn't go above 1024x768

I am trying to use a 24" external monitor as the primary monitor for my Asus EEE netbook. When I connect it, it works properly, except the max resolution available is 1024x768. Usually, I'd go into ...
2
votes
2answers
4k views

Is this a dual monitor reset bug?

My two displays are: Intel GMA x4500 Laptop (1280x800 native resolution of the built-in display) External display (1920x1080) A few minutes after I login to my dual monitor setup, it gets reset to ...
1
vote
0answers
29 views

Chrome's select box broken when I'm with two displays Ubuntu 14.04

If I plug a second display to my Ubuntu 14.04, in one of them all the select box in pages open in Google Chrome appear like this: First display The same page opened in the other display appears ...
0
votes
1answer
2k views

Dual monitor extended desktop in Lubuntu

I have two monitors connected to my desktop running Lubuntu (14.04.3). The right one is dedicated to the computer and the left one is also connected to windows machine; it has a button to switch ...
0
votes
0answers
11 views

How to switch screen off and switch it on, through hotkey?

xset dpms force off switches off the screen but the screen wakes up on mouse movement. I want that once the screen is switched off, it should wake up only through some predefined hotkey. How to do ...
0
votes
0answers
22 views

Mirror Display grayed out when HDMI is connected in Ubuntu 14.04

When I connect my HP-G71 Laptop to my LG TV via HDMI Ubuntu only recognizes the TV as a extended or duel monitor. I noticed the Mirror Display option is Gray-Out. I searched and with results and it ...
0
votes
1answer
31 views

HP 2140 screen resolution stuck at 1024x576

I installed Lubuntu on a HP2140 mini PC. Everything is working perfectly, except for the screen resolution. According to the specs it can do 1366x768. I tried setting this resolution with xrandr, ...
3
votes
2answers
2k 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 ...
0
votes
0answers
38 views

Uninstall flux which was installed from source

I installed Flux using following steps (source) git clone https://github.com/Kilian/f.lux-indicator-applet.git cd f.lux-indicator-applet sudo python setup.py install Now I want to ...
0
votes
0answers
8 views

Black screen after dual boot intstal of linux 14. Wait 10 mins and and screen loads to log in screen

Hi so I just installed ubuntu and finally got it to dual boot with my pc after a train wreck. (Thank goodness I backed it up) I decided I would do a fresh install of windows and then ubuntu and ...
0
votes
0answers
78 views

Display output shuts off during installation of ubuntu 15.04

I am trying to install Ubuntu on my homemade pc (dual boot with windows 8.1). I have tried USB method with version 15.04 and 14.04 64bit, but both give me the same problem. I launch USB in UEFI mode, ...
5
votes
3answers
4k views

After upgrading from13.10 to 14.04 screen on a laptop doesn't work but

First my laptop CPU/GPU is Intel Celeron N2815 (Bay Trail) and I am in dual boot with windows 8. I have upgraded from ubuntu 13.10 to 14.04 today through update manager. And after upgrading and after ...
2
votes
1answer
45 views

Ubuntu 14.04 LTS video problems

I am looking to switch my system over from Ubuntu 15.10 to 14.04 LTS. However, i encounter problems when booting from the thumb drive. During boot up, the Ubuntu start splash is displayed normally. ...
0
votes
0answers
17 views

libgl.so boot stuck - display manager not loading Ubuntu 14.04

I've managed to break my install of Ubuntu 14.04. On booting I get the Ubuntu (Studio) splash screen, then the screen goes black with a cursor (not flashing) in the top left of my screen. I can login ...
2
votes
0answers
21 views

Having trouble opening images in Ubuntu command line

When I'm trying to open an image in Ubuntu command line using the command eog filename.jpg, I get an error reading Cannot open display: Could someone please advise what else I need to run before ...
0
votes
1answer
56 views

Display Resolution Reverts to Low Resolution After Each Re-Boot

I have an Intel NUC (NUC5PPYH)running Xubuntu 15.10, and MythBuntu Frontend. The system uses a 42 inch Samgung LED TV as the display device. The NUC is using it's on-board Intel Graphics Chipset ...
0
votes
0answers
31 views

External display problem from two laptops to two external monitor through HDMI switch

Bascially I want to connect each of my laptop (two in total) to my external monitors. One runs Ubuntu (for my general use) and the other runs Windows (for some engineering softwares that only run on ...
1
vote
0answers
19 views

How to set brightness to my Last set level?

I have read a lot of Q&A to set brightness to a fixed level on startup. But that is not what I want. I want that script (/etc/rc.local ) to update itself dynamically. i.e, On every startup ...
0
votes
0answers
21 views

How to reset multi monitor configuration for unity desktop on a specific user?

I am having problems with multi monitor settings in my laptop. It is an Acer Aspire V with an HDMI port. When I connect the port to a display: the screen freezes except for the mouse pointer ...
0
votes
1answer
35 views

Screen resolution glitch

I am very new to Ubuntu and I just really need some help. I followed this tutorial on replacing Windows with Ubuntu on my crummy laptop I have had for ages. When the installer loaded up there were ...
18
votes
4answers
6k views

How to turn off the display via the command line?

Is there a way to turn off the display (enter power saving mode) using a command? For example, when the computer is inactive for a specific interval, the screen turns off to conserve energy. Is there ...
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 ...
0
votes
2answers
73 views

arrange windows by script

I'm using my laptop in different configurations. Sometimes i'm using only laptop, with LVDS1 output. Sometimes i've one monitor(DP1) on right of LVDS. Sometimes on left. Sometimes i have two ...
0
votes
1answer
67 views

Getting wrong resolution on old samsung monitor

Today i connected my pc with old samsung sync master 591s monitor and getting strange display resolution. My resolution is being set at 800x600 but still cant see my side panal. Well its look like ...
0
votes
2answers
60 views

How to change monitor resolution?

I have tried to edit System settings,but it shows builtin display. My monitor is LG IPS236V,23INCH. *-display description: VGA compatible controller product: Park ...
0
votes
0answers
65 views

Multiple Monitors with Ubuntu 15.10 and LenovoW521 on a Docking station

I have been fighting with setting up multiple monitors on my Lenovo using a docking station. In the end things work how I want them (two external monitors + laptop screen next to each other) but: ...
0
votes
0answers
49 views

external monitor flickers at 1440p resolution (Lenovo L440, Inteld HD 4600, 14.04 LTS)

I have a Lenovo L440 with Ubuntu 14.04 LTS which is connected to a Dell Ultrasharp Display via (Mini-)Displayport which I would like to run at its native resolution of 2560x1440 pixels. Unfortunately ...
2
votes
2answers
69 views

Screen resolution 1440x900 not listed

I just got a new nvidia graphics card that works fine at 1440x900 under window (dual boot setup). Unfortunately, my monitor is not recognized by ubuntu. Here is my xrandr -q output Screen 0: minimum ...
2
votes
1answer
229 views

Second monitor detected but appear to be “off”

I have been enjoying dual monitors using Xubuntu with Nvidia driver 340.58 for some time now. However, suddenly one of the monitors stops working. In nvidia-setting panel it just appears as "Off" and ...
5
votes
2answers
4k views

Missing letters in menus and folder names

The names of my folders and the menus are not displayed correctly (even the tabs names in firefox). A lot of letters are missing. When cross over with the mouse pointer, part of them are correctly ...
0
votes
0answers
11 views

how to setup a temporary display

The setup I try to achieve: 3x 1080p permanent displays 1x 1080p temporary display (TV) Ordered like this: [TV][Perm1][Perm2][Perm3] I sometimes want to attach my TV to my PC to watch stuff like ...
1
vote
2answers
8k 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 ...
-2
votes
2answers
97 views

How can I improve yellow tint on monitor? [closed]

I have Acer K222HQL monitor, AMD Radeon HD 8670M graphic card. Connection through HDMI. I tried different laptops, different OS (Linux distros, Windows), different ICC profiles (including ...
0
votes
0answers
27 views

How to prevent full-screen applications from minimizing when clicking on a different monitor?

I am relatively new to Ubuntu, and I still have much to learn. However, I am completely new to multi-monitor setups on any platform. I have two monitors, a 1440x900 acting as my main monitor and a ...
2
votes
2answers
2k views

Dual monitor setup, why does NVidia 340 Prime only detect one monitor?

I'm using: Alienware M14xR2 laptop running Ubuntu 14.04 2 * DELL U2412M monitors attached via HDMI and Mini Display Port Optimus graphics (Intel + nVidia GeForce GT 650M) running with nvidea-340 and ...
4
votes
0answers
110 views

Ubuntu support for 5K (Dell UP2715K): adjusting details

I've recently purchased a Dell UP2715K which has a resolution of 5120x2880 and have installed ubuntu 15.10 to go with it. The UP2715K is connected to a GeForce 960 GTX (2 displayport cables since 1 ...
1
vote
1answer
1k views

Don't have desktop icons lock to grid

I am building a Mythbuntu media center, the display being a 42" television. I set the text and desktop icons to be extremely large so they are readable from the couch. This is good, but all of the ...
0
votes
1answer
18 views

2nd Monitor isn't recognized in Display but is usable

I have Ubuntu 15.04 currently installed, with the AMD display driver. AMD recognizes both monitors, and has the accurate information and resolutions on both monitors, and both monitors set to single ...
1
vote
3answers
61 views

How to disable KDE Windows preview?

I just turned to Kubuntu straight from Windows so even basic stuff here is a little difficult for me. When I point my mouse at any task in a panel, an annoying window comes up and I want to turn it ...
0
votes
1answer
69 views

Installed Ubuntu 15.10, need help fixing pam_kwallet errors preventing me from logging in

History so far: Attempted one install, fought with video drivers for hours, and then I ran into an error while logging in again /lib/security/pam_kwallet5.so: cannot open shared object file: No such ...
0
votes
1answer
51 views

scale monitors differently without everything becoming blurry?

problem My Laptop has a 1920x1080, 34.4x19.3 cm Monitor and I connect it to a 1280x1024, 37.6x30.1 cm external Monitor. Since the external monitor has a 30% lower pixel density, everything on it ...
0
votes
0answers
32 views

Dual monitor on Ubuntu can't have the same resolution

I have a desktop with the latest version of ubuntu and windows 10. I have a dual set of monitors, both are technically twins, same brand and same size monitor. I have an nVidia GeForce 8400GS and has ...
0
votes
1answer
31 views

Display works weird after installing new kernel

I've downloaded and installed linux kernel 4.3.2 over 3.19 on Ubuntu 14.04. Config was made with xconfig (I've changed only compression to xz). When i boot with new kernel, everything's fine, but then ...
0
votes
1answer
70 views

How to fix the physical size of a display in xrandr?

In a nutshell, my problem is that my TV is overscanning and I have nothing like a "Screen Fit" option in the TV. The TV is a Samsung model LN32R71B that I believe is providing a corrupted EDID file, ...
0
votes
2answers
141 views

Dual external monitors with 2 dual-mode DisplayPort ports

I have an HP Elitebook laptop with a docking station. The docking station has two dual-mode DisplayPort ports, and I have a monitor hooked to both. In Windows, I can get both monitors working ...
1
vote
1answer
101 views

VGA-connected display won't go beyond 1360x768

Ubuntu 15.10, nVidia GTX 650, three-display setup using all three GPU outputs (DVI, HDMI, VGA). DVI correctly powers a display at 2560x1440, HDMI correctly powers a display at 1920x1080, VGA won't ...
0
votes
0answers
19 views

Annoying strobing and other display oddities

With a fresh ubuntu install, stuff has been pretty messed up with the display of this laptop. There are two general cases upon turning the system on and selecting "ubuntu" from the boot menu: The ...
34
votes
3answers
45k 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
83 views

Only low screen resolution available

Ok, I know how it sounds. I'm not that dumb. But, I have a 1600x1200 external display on a nvidia gtx 260m and the resolution wont go past 1024x768. *Ubuntu 14.04 BTW