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

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Ubuntu 14.04 (Gnome): Laptop Display Blank After Undocking

I've been experiencing a really annoying issue with my recent Ubuntu Gnome 14.04 install. The OS is running on a Lenovo T440s. At the office I have a dock that connects to two monitors, one is ...
0
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0answers
7 views

My second screen resolution is not exact

I have Kubuntu 14.04, and a second screen of resolution 1680x1050. Not only is my resolution not listed, but if I add a custom entry for that, it seems to be not exact. With this, I mean that no ...
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0answers
14 views

Incorrect Display Resolution

I have been trying to fix my monitor resolution for a while now. However everything I have tried doesn't work or isn't permanent. I've changing resolution using xrandr. I've tried editing the X11 ...
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0answers
23 views

LG 19" display + Nvidia GT 730 Unknown display problem

Few days back, I changed my graphic card from Radeon to nVidia GT 730. I have 19" LG LCD monitor (connected with VGA cable) that supports 1360x768 as native resolution. However, if I try to switch to ...
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0answers
14 views

Screen shift in Ubuntu

I have Ubuntu on my System and at every boot my screen shifts to the right by some amount and therefore I have to press the auto-configure button on my Monitor to shift it back. So I have to do this ...
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0answers
7 views

Computer won't restore from monitor power saving

When monitor power saving mode is on and the monitor falls asleep, I can't wake it up and have to do a hard shutdown. I've tried pressing keys, moving and clicking the mouse, unplugging and replugging ...
2
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1answer
21 views

Scale 1080p screen to 720p - everything is too small

I used to work on a 720p laptop screen, and now I have a new 1080p laptop screen with the same 15.6" size. With this higher resolution, everything is too small, and my eyes get tired faster. Is it ...
0
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1answer
14 views

HDMI display just stopped working

I am using Ubuntu (Kodibuntu actually, which is a flavor of Trusty) and I connected my display via HDMI. This has been working for years but today the display just stopped working. I can see the ...
1
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1answer
40 views

Maxium Resolution resets to 1024x768 after logout [duplicate]

The Display Settings maximum resolution started at 1024x768(4:3) I tried to use xrandr like so: >>xrandr Screen 0: minimum 320 x 200, current 1024 x 768, maximum 8192 x 8192 DVI-I-1 connected ...
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0answers
14 views

Ubuntu Mate For Rpi2 default resolution can't be changed

I have installed Ubuntu Mate 15.04 on my brand new RPI2 and the default resolution in the HDMI port is very small and can't be changed using system default display window. But when I play video using ...
0
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1answer
39 views

Kubuntu 15.04 Dual Monitors

I recently installed Kubuntu 15.04, mostly for the upgrade of KDE to KDE Plasma 5. I have been quite happy, but when I got back to school and plugged in my monitor I was very disappointed. Kubuntu is ...
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0answers
15 views

Second Monitor stuck at 1024x768 and displayed as unknown

I recently installed Ubuntu 15.04 on my laptop, I have a monitor that I connect to my laptop and both screens have a resolution of 1366x768, however the monitor is stuck at 1024x768 and is displayed ...
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0answers
27 views

Ubuntu 15.04: Dual monitor setup - new icons disappear on a smaller display

I have established a dual monitor setup successfully with my Ubuntu 15.04 (with default display settings and Unity 7.3.2). The first is a built-in display (1) and it belongs to my laptop (1366 x ...
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0answers
9 views

Xubuntu 14.04 Help with portrait orientation in dual monitor setup (Nvidia GPU)

I'm running Xubuntu 14.04 and am using a GTX 660 with 2 1920x1080p monitors. By assigning the commands xrandr --output DVI-I-1 --rotate normal and xrandr --output DVI-I-1 --rotate left to certain key ...
0
votes
1answer
26 views

Login prompt no longer on external display

Been experimenting with Ubuntu on my Toshiba Satellite U500. Using an external display (AOC 23" LCD) as primary. For the first 20 or so boots, the Ubuntu 15.04 login prompt appeared on my external ...
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0answers
12 views

Ubuntu 14.04.3 LTS logs out when changing screen resolution

I have this problem that every time I change the resolution of my screen, ubuntu logout. It start with a game and I thougth that was the problem butn then I change the resolution manually in the ...
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0answers
11 views

PC and Display Randomly Gone Unresponsive

I had same display issue with this closed question Strange random display issue, I am using notebook asus x450lcp with ubuntu 15.04, when this issue happen keyboard and mouse not working, and system ...
0
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0answers
20 views

Fonts too small for high resolution screen for Xubuntu?

I just installed Xubuntu on my new laptop. And fonts are too small on the high-resolution screen. I checked Display panel in System settings, but I did not find any options to fix this. Does anyone ...
0
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0answers
17 views

ubuntu14.04:unknown display and low resolution

I work on a supermicro server with 3 nVidia GPUs:GPU0 Quadro k600,GPU1 Tesla k40c,GPU3 Tesla c2050.GPU0(Quadro k600) is connected to a SAMSUNG monitor(1920x1080). BUT my machine is running on a ...
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0answers
41 views

Kubuntu 15.04 in VMWare Workstation - Screen Resolution

I installed Kubuntu 15.04 in VMWare Workstation 11 on my host OS Windows 7 64-bit. The display resolution is wrong: The "Desktop" is only part of the screen, and the other part is black. Logout ...
1
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0answers
55 views

Ubuntu 15.04 & ultrawide monitor. How to set max resolution? EDIT:Solved!

I am trying to set up Ubuntu 15.04 on an Intel nuc5i5ryh with an ASUS mx299Q monitor. It is connected with a miniDisplayPort to DVIcable. It is supposed to support 2560x1080 21:9 ultrawide ...
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0answers
57 views

Displayport MST not working properly on Xubuntu 15.04

In several questions on this site, I saw that Ubuntu 15.04 would have support for Displayport daisychaining/MST. I have a two monitors that have Displayport in and out, indicating that they can be ...
1
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2answers
42 views

Allow DISPLAY access for a user not logged on GUI

A user "usera" is logged on GUI on ubuntu 14.04.3 (same issue appears on 15.04). When a user "userb" log on the PC through ssh, he can't launch a graphical application with export DISPLAY=:0, for ...
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0answers
6 views

How to fix black color display on monitor on ubuntu 15.04?

I just bought and asus X55OZ it uses radeon graphics, am having a problem correctly displaying the black color correctly on the Notebook monitor it looks kind of gray I dont have a problem with the ...
1
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1answer
43 views

How can I implement a new resolution mode using xrandr consistently?

Firstly, I have connected a new 1280 x 1024 (1080p) monitor at optimum resolution to my Toshiba Satellite laptop via VGA. I run Ubuntu 14.04 LTS. The problem is that the default resolutions ...
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0answers
14 views

Teamviewer Display

I have been using Teamviewer on my Android 4.4.2 tablet (similar to http://www.amazon.com/Tagital%C2%AE-T10-Bluetooth-Pre-installed-Supported/dp/B00N3Q4XMY) to access my Ubuntu operated desktop and I ...
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0answers
9 views

High resolutin but 'empty' spaces on the monitor

I'm using Ubuntu 15.04 on my new notebook. I tried to change my screen display resolution to make it fit all the screen but I don't know why even if I set the high resolution possible I still can see ...
0
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0answers
13 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, ...
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3answers
48 views

HDMI monitor stuck in 800x600 resolution

I turned my computer on and the internet wasn’t working (Ethernet cable) so I restarted and it came back online. after the restart my HDMI screen (my main screen) I am using two screens went to ...
0
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0answers
19 views

setting DISPLAY environment variable for script launched via monit

Is there a way to set the DISPLAY environment variable on a script launched via monit, so that the script can start a graphical window on a specified screen? The script launches a java app with a ...
-1
votes
0answers
30 views

HDTV overscanning problem - NOT a TV setting

I'm using a 42" Philips LCD TV (42PFL3704D/F7) as a secondary monitor for my computer, running Linux Mint 17.2 and Windows 7. My primary monitor is a 22" LCD monitor, and it works fine on both ...
0
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0answers
39 views

Ubuntu 14 on lenovo w540 with external 4k display

I am trying to launch Ubuntu 14 on a Lenovo W540(K2100M) with an external 4k display connected to a Display port. The laptop can work in such a configuration (I tried it with Windows 8). When I ...
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0answers
27 views

2nd Monitor stopped being recognized by Ubuntu 14.04 LTS

2nd Monitor is connected to the PC via a DVI-I cable and was working last night. It isn't the cable since the monitor works fine in Windows. I went into settings and tried to detect displays but that ...
0
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2answers
64 views

The screen is too small

I am using Virtual Box 5.0.0(Windows Vista) to run Ubuntu 14.04. The screen is too small (640x480) but the screen can up to 1280x768. How can I resizing it?
-1
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0answers
40 views

15.04 Display issue [closed]

On 15.04 my left display (main display) isnt working. The Display application recognizes the monitor and I can move my mouse to the left and it will go to the other screen but its just not showing. ...
11
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2answers
460 views

Use one monitor as multiple monitors

It is nice to use multiple monitors for developers. You can maximise each window in a specific monitor, windows can stick to corners of specific monitors. There are ultrawide monitors in the market ...
1
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1answer
43 views

Unknown Display Ubuntu 14.04 (Intel)

I have an Intel G33 Chipset. I can't seem to increase the resolution:
2
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1answer
26 views

Ubuntu 14.04 unknown (external) monitor every time after reboot

I connected an external monitor (LG 21 in) with my laptop (Lenovo ThinkPad 15 in). It used to be working ok, but now every time after reboot, the LG monitor has very low resolution, I have manually ...
1
vote
1answer
55 views

Can not set correct resolution for external monitor

I am using ubuntu 15.04 on my Asus X550L Laptop. Following is my lspci $ lspci 00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 09) 00:02.0 VGA compatible controller: Intel ...
1
vote
2answers
52 views

How do I fix desktop size? (see image)

I tried installing kubuntu-desktop for RDP. However it changed my Unity desktop a bit and I didn't know it was loading masses of other apps. So I removed it and it left the desktop changes ...
0
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0answers
40 views

Can't disable automatic mirror display

I just plugged an external display and the system detected it automatically. However, the two monitors display the same and when I go to Display preferences, it looks like it wasn't detecting any ...
0
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1answer
22 views

Boot to blank terminal after editing xorg.conf

After adding this to xorg.conf and restarting Subsection "Display" Virtual 4096 4096 EndSubsection My computer boots to a text user interface, how do I fix this?
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1answer
28 views

display in grayscale

I need to show my desktop in gray-scale mode. On MacOS I can do it in accessibility mode. I tried with compiz config but the color filter was removed from Ubuntu 14.04. Who can help me? I use Ubuntu ...
0
votes
0answers
47 views

Second Monitor does not display in max resolution

I have two 1920x1080 monitors connected to my PC, one through HDMI and one through DVI-I. While the monitor connected through HDMI is displaying at 1920x1080, the other monitor is stuck at 800x600. I ...
0
votes
0answers
31 views

freeglut (pymol): failed to open display ':0.0'

I've tried installing pymol for Ubuntu using sudo apt-get install pymol I get the following error when trying to run pymol: No protocol specified freeglut (pymol): failed to open display ':0.0' ...
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0answers
28 views

Monitor Causing Ubuntu to Freeze Up

I have an AOC all in one monitor with three operation modes (DSUB, HDMI, and ANDROID). The monitor does work with Ubuntu partially. What I mean is that when I connect the DSUB (I don't have an HDMI ...
0
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1answer
68 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 ...
3
votes
1answer
50 views

Switching from old CRT monitor to new LED monitor

I have been using a Dell CRT monitor for years. Today, I bought a new Samsung LED monitor, and was under the impression that simply switching the monitors should work. However, when I disconnected ...
0
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0answers
12 views

Login screens in xfce

I use two screens (named: '2.Dell Inc 23"' and '1.Goldstar Company Ltd 19"'). I would like to set '2.Dell Inc 23"' as the screen that the login and boot splash appear and not on both together. How do ...
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0answers
28 views

Dual Boot computer with Ubuntu side screen only having lines across

I had broken my lcd screen and replaced it today. When I boot up to the windows 10 side of my computer everything looks good, but on the Ubuntu 14.04 side, there are these jittery horizontal lines. I ...