Questions related to hardware displays, either internal (as in a laptop) or external (as in most desktop monitors, or projectors)
16
votes
6answers
7k views
Is there a software utility to adjust screen gamma/brightness/contrast?
I use to work at night and it is eye-hurting to watch at lightbulb-bright screens (I've got two - laptop's built-in panel and an external 18-inch CRT) in a dark environment. So I adjust my screens to ...
16
votes
6answers
5k views
Is there a way to autodetect when a display is disconnected?
I am running 10.10 on a Dell Latitude with the latest Nvidia drivers. Basically what I want is when I disconnect my external display that everything goes back to the main one without having to change ...
15
votes
4answers
9k 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 ...
14
votes
6answers
8k views
How to run two X sessions at the same time?
I would like to run two X server instances at the same time.
One would be an interactive session using the mouse and keyboard attached to the computer. The other would be a 'virtual' session that I ...
14
votes
3answers
2k views
How do I set the native resolution on an HP Mini 210-1004sa?
FYI: My Netbook model is HP Mini 210-1004sa, which comes with Intel Graphics Media Accelerator 3150, and has a display 10.1" Active Matrix Colour TFT 1024 x 600.
I recently removed Windows 7 Starter ...
13
votes
2answers
2k 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 ...
11
votes
5answers
5k views
11
votes
1answer
3k views
How would Ubuntu work on an Apple retina display?
Apple has announced a laptop with "retina display" = 2880x1800 pixels resolution on 15 inches.
If one were to load Ubuntu on such a machine, it would probably be unreadably micro-texted as long as ...
10
votes
2answers
3k views
Disable screensaver while watching flash videos
I generally watch lot of lengthy videos on YouTube. I always experience a problem because the screensaver is activated every 5 minutes.
I would like to know how to disable the screensaver while ...
10
votes
1answer
322 views
How should I handle multiple monitors when I regularly connect and disconnect different monitors and projectors
I'm moving from a macbook pro (with MacOSX) to a lenovo T430 running ubuntu 12.10. I use the laptop for work, and work from home regularly. I have an external 30" monitor at home, an external 23" ...
9
votes
3answers
2k views
Turn off monitor using command line
I am runnning Ubuntu Server on my laptop. There is really no reason for the screen to be on. I have been trying to use this command to turn the screen off:
sleep 1 && xset dpms force off
...
9
votes
2answers
1k views
Why does my Thinkpad brightness control skip steps?
The problem: there are 16 brightness levels on my laptop, but pressing hotkeys Fn+Home, Fn+End adjusts brightness 3 steps at a time (e.g. from 0 to 3, or from 15 to 12).
I find it important to notice ...
8
votes
4answers
11k views
Adjusting display geometry in a virtual machine?
Running 11.04 beta in a Parallels 5.0 virtual machine, but this question will apply to any virtualization software.
Parallels 5 Linux tools (guest additions) don't work for 10.10 and 11.04 and I ...
8
votes
5answers
998 views
Will Wayland have network transparency?
The Xorg server/client architecture allows for network transparency which means it is possible to start x-clients on a remote machine and display the GUI on the local machine (i.e. via x-forwarding by ...
8
votes
2answers
4k views
Triple-head on a Lenovo T520
Lenovo T520 with integrated Intel HD graphics + a NVidia card (Optimus)
Ubuntu 11.10 on the computer.
I would like to use the built-in screen plus two external screens.
This PDF indicates that it is ...
8
votes
2answers
15k views
adjust resolution on Ubuntu Server 10.04?
Installed Ubuntu Server 10.04 on an old laptop and I noticed that the system is trying to show the CLI below my screen. This means that if I run a script or a program with a bunch of output, once it ...
8
votes
4answers
17k views
How do I use a DisplayLink monitor?
I'm trying to connect an external monitor to my laptop via a DisplayLink USB adapter. When I plug in the USB cable, the screen turns bright green. This apparently indicates that the udflib displaylink ...
8
votes
3answers
3k views
How to get Lilliput USB monitor working?
Okay, I just got a Lilliput 7" USB Monitor:
Unfortunately, I am having some trouble getting it to work in Ubuntu.
It is a DisplayLink device, so it should work in Ubuntu.
Here is the output of ...
8
votes
2answers
9k views
Ubuntu 12.10 “Turn screen off when inactive for: Never” still turns off
After a fresh install of Ubuntu 12.10, my screen still goes off after about ten minutes. I've been to the Brightness and Lock control panel. The Turn screen off when inactive for: setting is set for ...
8
votes
3answers
5k views
External monitor set as primary even when disconnected from laptop
My Lenovo X200 laptop has developed a problem recently whereby I get a blank internal screen on booting into Ubuntu 11.10 (display works normally during boot and I get a moment of desktop before it ...
8
votes
2answers
162 views
How to provide second monitors resolution to application?
I have a dual monitor setup, with the basic TwinView settings from my Nvidia-card (550 Ti). One monitor is my primary display (1600x900) and the other is my TV (1920*1080).
I have arranged XBMC to ...
7
votes
2answers
770 views
Does redshift need an active internet connection to work?
It seems redshift doesn't run without an active internet connection. If so, is there some way it could be run when there's no connection to the Internet?
7
votes
2answers
3k views
How to enable sub pixel hinting?
Fonts are displayed a little bit blurry on my TFT screen. I fixed this in previous Ubuntu releases by enabling sub pixel hinting in the font settings. But now I can't find any font settings dialog in ...
7
votes
5answers
7k views
How do you change your screen's color temperature in Ubuntu?
I edit my photos on my laptop (yes, I know they have crap displays) and I recently had to replace the screen because the old one just randomly died. The old one had decent color reproduction by ...
7
votes
2answers
2k views
How can I solve display glitches and poor performance with ATI fglrx driver on my ThinkPad X100e?
I noticed that video performance on my Thinkpad X100e was very poor compared to Windows 7, so I installed the ATI fglrx proprietary drivers by using the "Additional Drivers" dialogue box. The system ...
7
votes
2answers
994 views
How to set up multiple GPUs (12.04)?
I have two GPUs: one Intel i915 integrated, and one NVIDIA 560 Ti. This is NOT a hybrid setup, nor a laptop. In Windows 7, each card is connected to a different monitor, with the NVIDIA doing any ...
7
votes
3answers
2k views
Fn+F8 does not switch displays on a Dell E6410
I recently upgraded to Oneric and found that Fn+F8 does not switch displays on Oneric, Dell E6410, Nvidia. I frequently run presentations and need to switch between projector and laptop with minimum ...
7
votes
1answer
469 views
Quitting Braid causes dual monitors to switch to mirror mode
I have 2 monitors in my desktop. The one has a smaller resolution than the other (don't know if it matters for this issue). From Display I have disabled mirroring, so the first monitor continues to ...
6
votes
2answers
6k views
Unknown monitor, intel driver, want to set VGA resolution to widescreen TV
I have a Sony Bravia LCD television, which is now plugged into my laptop using a VGA cable.
I am running an HP Compaq laptop, with a video driver of:
00:02.0 VGA compatible controller: Intel ...
6
votes
1answer
474 views
Installing or faking a x11 session
I have a headless Ubuntu-server running at work, and I connect to it from my home Windows machine through Putty. I've logged in with putty, and I need to run a program back at the server (a java ...
6
votes
3answers
4k views
Vinagre only gives 800x600 RDC resolution, how to increase?
Using Vinagre on Ubuntu 11.10, when I RDC into a remote Windows XP machine, I only get a 800x600 resolution on the remote display. I can't increase it on the Windows machine, it's stuck at 800x600. ...
6
votes
1answer
3k views
Using a DisplayLink USB video adapter on Ubuntu 12.10
The line of USB video adapters made by DisplayLink has a somewhat sordid history under Linux. In past Ubuntu releases, the process of getting them to work has been somewhat difficult, inspiring a ...
6
votes
2answers
2k views
where does gnome-display-properties save the different configurations?
I use gnome-display-properties to configure the external screens that I attach to my laptop at home and in the office. Gnome-display-properties cleverly remembers which screen is which, and ...
6
votes
2answers
2k views
Is Ubuntu 12.10 optimized for retina displays?
There was a discussion in summer that Ubuntu does not support retina displays - everything on the screen is too small. Even adjusting DPI does not help, since such an adjusting scales only fonts, bit ...
6
votes
1answer
2k views
Why do my display settings say laptop when I'm using a desktop? [closed]
I just upgraded from 11.10 to 12.04 today. I noticed that in display settings it recognizes my system as laptop and I am actually running a desktop with a viewsonic monitor. How can I fix this?
5
votes
3answers
7k views
Nvidia Dual Displays not being detected
I just installed Ubuntu for the first time, downloaded 11.04 and updated to 11.10.
I have a setup with a NVidia 7600GT Graphics Card, with DVI-Out and VGA-Out. I have two displays connected to those ...
5
votes
6answers
358 views
How can I disable backlight when I lock the screen?
When I lock screen, the display does turn black but the display isn't completely off. There is some light coming out of the display in screen lock mode but it get turned off when inactive for 10 ...
5
votes
1answer
195 views
Can Ubuntu launcher damage my LCD screen pixels?
There appears something like a scar (damaged or dead pixels) on my LCD screen, where Ubuntu launcher positions. The scar exactly fitting Ubuntu launcher edges and icons. It seems a permanent scar and ...
5
votes
3answers
16k views
How to add display resolution fo an LCD in Ubuntu 12.04? xrandr problem
I am fresh for Ubuntu and Linux in general. I have installed Ubuntu 12.04 and stuck trying to setup correct resolution for my LCD display.
The native resolution for the LCD is 1920x1080
here is the ...
5
votes
3answers
362 views
How can I disable Macbook screen when the lid is closed whilst continuing to use an external monitor?
After getting Ubuntu setup on my Macbook Pro with Gnome Shell, there is one little thing irritating me:
I have an external monitor connected which is set as primary in the Nvidia control panel. I'd ...
5
votes
3answers
2k views
Upper half of laptop screen becomes black when I plug in an external LCD
My laptop has Intel Mobile GM965/GL960 integrated graphic controller and the screen size is 1280x800. When I plug another LCD (ThinkVision 22") the upper half of the laptop screen becomes black.
I ...
5
votes
2answers
5k views
Using the Onboard VGA output with a PCIe video card. Both nVidia
I have 2 video cards, one On board, a nVidia 6150SE nForce 430 and a PCIe nVidia GeForce GT 220 1GB DDR2 RAM
I have already configured the PCIe card to use the dual monitor feature, using the VGA and ...
5
votes
3answers
412 views
Unreadable characters in programs (graphic glitch)
A picture is worth a thousand words...
Screenshot (gVim) -
Screenshot (LibreOffice) -
The Appearance Preferences dialog -
Anyone know what causes it and how it can be fixed?
If it's ...
5
votes
1answer
200 views
Why are my display settings not persistent?
Every time I reboot my laptop, even if I haven't unplugged the external monitor, it sets the external monitor back to overlapping with the laptop screen. I want them to stay 'side by side'.
Running ...
5
votes
2answers
9k views
Cannot set monitor to native resolution
problem is similar to so many other users, but solutions found do not work.
Background:
Fresh install of 12.04 (completely updated) on a Fit-PC2 (specs).
Read in several places that the new 3.X kernel ...
5
votes
1answer
2k views
Display is cut-off and stuck at 640x480; cannot detect monitor [closed]
I've recently installed Ubuntu 11.10 on my PC and I have a resolution problem.
My screen resolution is set at 640x480 (4:3) and I can't see right the whole screen, the windows or the icons. The ...
5
votes
1answer
3k views
Blank screen after Switch User or Resume
About half the time when I switch users or resume from standby or resume the screen goes blank (black). If I work the cursor keys I can hear the system bell when it gets to the end of the user list. I ...
5
votes
0answers
589 views
Brightness Control in ubuntu 13.04-64bit not working in Toshiba T110
I'm new to this forum and thought I'd try it out. So, much like every edition since about 11.10 brightness control doesn't work "out-of-the-box". I have a Toshiba Satellite T110-12P and although I've ...
5
votes
2answers
218 views
How do I rotate my display when not using an X Server?
I have a widescreen monitor that rotates. I'm trying to use it in 'landscape' mode (vertical). This is easy in the GUI.
How do I rotate my display when I am not running an X Server or when I am ...
5
votes
3answers
2k views
Screen is blank after installing unless I boot with the monitor unplugged
I've spent most of today installing Server 11.04. While I can't get network installs to work at all (different issue, I'll post a separate question/bug), when installing from the server CD, all goes ...
