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
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0answers
85 views

2nd vga monitor not being detected shows 100% black screen

Hey guys my 2nd monitor is on but is just showing a black picture. my main monitor is connected to the video card (Amd 280) whereas the 2nd monitor i connected to the motherboards VGA port the VGA ...
0
votes
0answers
36 views

LCD Display USB detected as 20x2 instead of 20x4

I have a PD-6207 Posiflex USB display which is detected as 20x2 instead of 20x4 so that I can only use half of the screen. I wonder if someone knows how I can configure the size of the screen. When I ...
0
votes
0answers
88 views

Ubuntu not using external monitor by default

Okay, because I couldn't think of a better way to title this question, I'm going to try and describe my issue in detail here. I like to use my laptop as a desktop; I have an external keyboard and ...
0
votes
0answers
26 views

Ubuntu Gnome 14.04.2 not detecting my monitors resolution [duplicate]

I just installed Ubuntu Gnome 14.04 LTS on my gaming/design machine! (Specs: i7 4790k; Strix 970; MSI G45-z97;) and when I go into my display settings it says I'm using a built-in display and will ...
1
vote
1answer
50 views

Permanent Alternative Monitor Resolution

I was able to change the resolution of my htpc when plugged into my using the answer to this question quoted below. How do I make this permanent? Each time I log out I have to run the below again. ...
1
vote
1answer
274 views

Virtual Box Windows xp resolution issue

I use ubuntu 15.04 with my lenovo g505s laptop. I installed virtual box to use windows xp sp3 but there is no 1366x768 resolution. I have already assigned 256mb video memory(instead of 128) but I ...
1
vote
2answers
249 views

Vertical lines appear in my screen on 12.04

Vertical lines started appearing in my screen on 12.04 all of a sudden. Dell Inspiron 6GB machine. This behavior is seen on the latest versions of Chrome/FireFox browsers.What should I do to resolve ...
2
votes
0answers
309 views

How to change screen resolution in MAcBook Pro 2013 15" Retina SSD? It fails when trying

When trying to change to ANY different than maximum resolution built-in display of MacBook Pro Summer 2013th Retina 15" I get black screen and nothing more and every time I have to reboot the system ...
0
votes
1answer
62 views

how to restore the display setting?

All the icons n window is maximize n all the setting is correct an all the text and all the window are maximize when open.
0
votes
1answer
181 views

Improperly set display when running a root crontab job involving GUI

When running the script below from my local user crontab, with sudo before /usr/bin/FreeFileSync (last script's line), a small progress window opens on my GUI and things go well. The only thing is I ...
3
votes
1answer
387 views

External monitor not working after docking

I am running Ubuntu 15.04 on my T450s (Intel graphics card) with kernel 4.0.8. I originally updated the kernel to be able to use two external monitors with my ultra dock. Now, when I dock my running ...
1
vote
0answers
353 views

Mouse cursor flicker on Dual Monitor set up

Im a pretty casual user coming over from Windows and I just installed Ubuntu 14.04 and everything is going great, and I'm excited to learn my way around linux. However I have encountered one problem ...
0
votes
1answer
70 views

Right edge of screen hidden (VGA)

I recently got a new monitor, switching from a tv connected via HDMI (borrowed, as my previous one broke), and am using VGA for my home PC for the first time. My problem is that the right edge of the ...
1
vote
0answers
79 views

Not all resolutions are listed

My laptop is running Gnome 15.04 (Gnome version 3.14.2), my graphics card is NVidia GeForce 840M and I have the version 346.59 from nvidia-346 proprietary and tested drivers installed, however not all ...
0
votes
0answers
94 views

accidentally killed compiz process [duplicate]

I accidentally killed the compiz process and I cannot open my terminal even by Ctrl+Alt+T. All the toolbars, menubars and etc. related to the Unity launcher are gone,only the desktop can be seen. ...
1
vote
2answers
150 views

screen resolution 14.04

What's wrong with ubuntu? I've just upgraded my 12.04 to 14.04, and my screen resolution went to 1024x768. xorg.conf is nowhere to find. not under /etc, not under /usr/share. answers about changing ...
1
vote
1answer
238 views

How to Connecting laptop to LCD TV using HDMI

I have a TV and I would like to connect my Ubuntu 14.04 laptop to it via HDMI. When I connect HDMI cables between both devices I see am able to detect both devices in my display settings in Ubuntu. ...
0
votes
0answers
20 views

Mouse and Display not working on new install

I recently inherited an older (circa 2011) Compaq PC and decided to try out Ubuntu on it. I burned the latest 64-bit release (14.02.4)to a DVD and ran it and tried it without a problem. After I went ...
3
votes
2answers
106 views

How could I make my display monochrome?

Let's say I want to simulate on old monochrome gas plasma display on a current-day Ubuntu installation. That could be something like this: https://www.youtube.com/watch?v=Di9OQLiwbIU How could I do ...
0
votes
1answer
116 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 ...
1
vote
0answers
23 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 ...
1
vote
0answers
79 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 ...
2
votes
0answers
69 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:
-1
votes
1answer
886 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 ...
0
votes
1answer
124 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 ...
0
votes
1answer
48 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, ...
0
votes
0answers
51 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
109 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? ...
0
votes
0answers
66 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 ...
0
votes
0answers
42 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
229 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
187 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 ...
5
votes
3answers
390 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 ...
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
173 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 ...
1
vote
2answers
42 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 ...
0
votes
0answers
52 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 ...
2
votes
0answers
376 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 ...
1
vote
2answers
918 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
1answer
572 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? ...
0
votes
1answer
46 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
27 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
135 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 ...
0
votes
0answers
684 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 15.04. I have consulted these sources: ChangeTTYResolution Higher resolution when switching to tty ...
0
votes
0answers
120 views

Adding an undetected refresh rate

I have a Thinkpad T440s running 15.04 with the Intel HD 4400 graphics. I just got a 4K monitor (Dell P2415Q). According to the specs of the HD4400, I should be able to drive this monitor at 30hz at 4K ...
0
votes
1answer
138 views

Can set screen resolution with in VMWare

I don't seem to be able to modify the screen resolution of my Ubuntu (VMWare ESX) VM. I tried the XFCE Display preferences. I can choose a new resolution, but it is not applied. If I do: %xrandr ...
2
votes
1answer
41 views

Problem setting the resolution

I have a 1360x768 tv that I am currently using for my display and whenever i set it too that resolution it is zoomed in and cuts off the sides. The top, bottom and right side of the screen are cut of ...
0
votes
1answer
88 views

How to save monitor configuration on a laptop

How do you save a monitor configuration based on how many displays are available on a laptop? I have a laptop that I often use with and without an external monitor. When I connect the monitor, ...
0
votes
0answers
121 views

External display via HDMI not being recognized in Ubuntu 14.04

I am trying to connect my Samsung TV as an extended display via HDMI, but when I hook up the connection, the display is not recognized in Ubuntu. It acts as if there was nothing connected. I have Win7 ...
0
votes
1answer
77 views

Desktop/Display Scaling Dilemma

As you can tell from the linked image, my desktop/display is not scaled properly. I am running Ubuntu on VMware Player offered by the Harvard EDx course CS50. Embarrassingly I do not know which ...