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

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5
votes
1answer
10k views

USB display adapter with linux/ubuntu drivers?

I want to use my external monitor's resolution fully (2560x1440) with a USB display adapter for my laptop. I have one with Windows drivers, are there any adapter with linux / Ubuntu drivers that can ...
2
votes
0answers
685 views

Display difficulties with Ubuntu 12.10, Dual Monitors, and ATI HD 5800

I have the ubiquitous and difficult display problems. I have a very limited understanding of everything regarding graphic display mechanics, and Gnome specific terms, so please let me know if you ...
0
votes
1answer
359 views

12.04 losing display settings on startup

I'm running Ubuntu 12.04 on my desktop at work. It seems like every other week when I boot up my computer it loses its display settings. It's to the point where I have to bring up the virtual console ...
2
votes
1answer
151 views

I have error message connecting a monitor to my netbook

I want to connect my Lenovo S205 Netbook with a 1080p monitor, however the only way to get it to work is by Mirroring the Display. I would like to use the top display at 1080p. My attempts ended ...
3
votes
3answers
615 views

Maximum brightness is not maximum brightness

On my dual boot laptop I noticed that maximum brightness in Ubuntu and Windows 8 is totally different. In Windows 8 the screen is much much brighter at maximum level than it is at Ubuntu maximum ...
9
votes
6answers
3k 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 ...
3
votes
0answers
65 views

Blank screen upon boot after installing nvidia drivers. 12.10 [duplicate]

Possible Duplicate: My computer boots to a black screen, what options do I have to fix it? I tried to install nvidia Drivers on my most recent install of 12.10. Now it no longer boots to ...
2
votes
1answer
2k views

Ubuntu Toshiba Dynadock u3.0

I am having a few issues with my new Dynadock u3.0. First of all, all of the USB connections are working as well as the usb ethernet. The only two issues I am having are with the usb audio and the ...
2
votes
0answers
180 views

How do I change the maximum resolution of my computer for multiple monitors?

I am trying to enable three monitors for my setup in Ubuntu 12.10. My card is a Raedon 5700 HD series. When I try to extend my display to any additional monitors, I get the following error: required ...
2
votes
1answer
613 views

Is there a way to disable laptop LCD on startup when external monitor is connected

Am running 12.04 and Gnome Shell with a Thinkpad X201 laptop and docking station. When I start the Thinkpad in the docking station with the lid closed, Ubuntu is recognizes that the external monitor ...
5
votes
1answer
6k views

How do I change display settings like brightness, contrast, etc. on my notebook?

I have a Samsung Series 9 notebook 15" (model NP900X3C) and I would like to adjust the screen settings (brightness, contrast, saturation, etc.). If I go to System Settings → Color, I see my screen ...
1
vote
0answers
57 views

Text gets garbled after hibernate

My 12.04 install sometimes does this to the text on the screen: This happens on all text in nautilus, all context menus, bookmarks/omnibox/statusbar on Chrome, and elsewhere in other programs. ...
1
vote
2answers
315 views

Not able to change brightness [12.04]

I can't change my brighness via the default ubuntu tool or my FN keys, or even xbacklight. I'm running Ubuntu 12.04 on a laptop with a dual graphics (AMD HD6770M+Intel). I've the drivers set up ...
2
votes
0answers
125 views

Alt+tab multi displays

I'm Ubuntu 12.04 with Gnome Shell on a HP Pavilion dm4 with an external display. When I try to switch between applications using the Alt+tab shortcut, the box showing the applications is showed only ...
0
votes
2answers
2k views

NVidia GeForce GT 540M Drivers not Working

I have upgraded my laptop to dual boot Windows 8 and Ubuntu 12.10, which is fine and all, but I have been updating the drivers on the Ubuntu side of things, but I have downloaded and executed ...
0
votes
1answer
615 views

Export current monitor settings

Is there a way to 'export' the current display configuration? We just need to export the configuration to an Xorg.conf file so that we can import it to another computer (deployment). The active ...
1
vote
1answer
1k views

HDMI input not recognized on ASUS N76

I have a brand new ASUS N76 with newly installed 12.10. HDMI port is not recognized by Ubuntu while working perfectly well with Windows 8. xrandr does not even show as known connector : Output of ...
1
vote
2answers
3k views

Ubuntu won't do 1920x1080

Both my monitors (one over DVI other over HDMI) have a native resolution of 1920x1080 (16:9) but the only two options for resolution in the "Display" section of system settings are 800x600 (4:3) and ...
1
vote
1answer
88 views

Strange halo around letters in firefox

Couple days ago I've started noticing strange halo around letters in Firefox 18.0. On the same monitor, when running Firefox on Windows, nothing happens. Other Ubuntu apps work as well. I'm attaching ...
1
vote
1answer
117 views

12.10 on legacy equipment - compiz compatibility [closed]

I have tried (and failed) to install Ubuntu 12.10 on a legacy HP/Compaq workstation (an Evo PRO). This did not surprise me, I'd guessed at a 30:70 success:fail ratio and was right. The issue is ...
0
votes
1answer
3k views

VMware 9.0 - Ubuntu Screen Problem

I have installed Ubuntu 12.4 on VMware Workstation, but I'm not getting display, I mean there is something strange for me. I can access the terminal when i Press Ctrl+T but i can't see the icons and ...
1
vote
2answers
614 views

How to get back my proper display driver settings after (wrongly) installing AMD Catalyst Control Center?

After having this problem, and following this answer, I have installed AMD Catalyst Control Center (fglrx-amdcccle) and after reboot my display was all wrong, stuck to 1280x1024. I have un-installed ...
7
votes
3answers
3k 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 ...
2
votes
1answer
827 views

Overscan compensation issue

Since upgrading to 12.10 I cant permanently fix overscan on my tv. Using this code I can fix the overscan sudo nvidia-settings --assign CurrentMetaMode="DFP-1: 1920x1080 { ...
5
votes
1answer
633 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 ...
2
votes
1answer
191 views

How to figure out if a window is actually displayed on the screen using shell script?

I'm trying to write a shell script that recognizes if Thunderbird window is displayed and if so it disposes it to the messages tray. I'd like to use it in this answer of "How to keep Thunderbird and ...
0
votes
1answer
1k views

Cannot permanently prevent power saving blank screen on Compaq Presario C700 with Ubuntu 12.10

I have a Compaq Presario C700 which has a GRUB multi-boot for Ubuntu 12.10 (32 bit), Ubuntu 10.10 and Windows Vista. This machine is always run by mains electricity rather than by battery as I have ...
1
vote
1answer
654 views

Why is my display getting garbled?

I recently installed the latest Ubuntu version 12.10 on my USB stick and booted my laptop with it. The OS runs just fine and as expected but there are a few niggles though! Sometimes when I start a ...
1
vote
0answers
348 views

How to clear jupiter's notification?

I used an external display some time before. After that there is a notification of 'New Resolution' everytime the startup of my xfce. Look like this: This is really annoying, so I want to know how ...
2
votes
0answers
229 views

Cant see edges of my screen. How do I fix it?

I have a Hisense 42" LCD TV (1080p) connected via HDMI to my ASUS K53E laptop and when I switch it to 1080p (second screen only) I cant see the edges of my screen, and it says my TV is a Hitachi 52" ...
2
votes
1answer
1k views

Display problems with Google Chrome on Ubuntu

I'm experiencing problems with quite some webpages while using Google Chrome (stable build: 23.0.1271.97). Many websites like facebook, youtube, arstechnica not rendering as they should, also this ...
4
votes
4answers
34k views

12.04 Ubuntu: configuring laptop to hook up to tv using hdmi cable?

I'm trying to use an hdmi cable to connect my HP dv5 notebook to a 32" Sony Bravia tv in order to watch Hulu stuff on a bigger screen. However, Google has been thoroughly unhelpful thus far! When I ...
0
votes
1answer
1k views

How to tell which graphics card is being used in a hybrid system?

How do I know which graphics card is being used in a hybrid system? From lspci: 00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] ...
10
votes
1answer
13k views

list existing X display names?

How do I get a list of current X display names? Apart from being a useful thing to know, I want this so that (hopefully!) I can use xcalib -invert -alter as suggested in this question to invert the ...
1
vote
1answer
1k views

Second display is rotated

I've just updated to Ubuntu 12.10 last night. When I was at the office, I connected my laptop with a projector. Although it can detect the projector, it incorrectly set the projector portrait. Also, ...
2
votes
0answers
2k views

Widi (Wireless Display) set up on Ubuntu 12.10

I recently purchased a Sony Vaio S Series Ultrabook that comes with Wireless Display. The steps to set this up on Windows 8 seem to be well documented but I haven't come across how to set this up on ...
2
votes
0answers
149 views

What does this fix for non-responsive mouse and keyboard do?

I'm using Ubuntu 12.10 and found that after about 20 minutes of work that my mouse and keyboard became very unresponsive. So I found the following fix (logging in as root - careful!!!): sudo -i To ...
2
votes
0answers
468 views

Desktop not displaying properly

I have installed #lubuntu 12:10 onto an older Pentium 3 PC with 512mb RAM and 20gb HD. I cannot make out the desktop as it is not being displayed properly. The mouse leaves massive trails which ...
1
vote
1answer
297 views

Unity Greeter login screen cuts off login options

I have a pretty newly installed Ubuntu 12.04, using Unity. My external monitor is 1920x1080 max resolution. In the Unity desktop itself everything looks great. I have an NVidia graphics card. When I ...
1
vote
1answer
160 views

AO522 ubuntu 12.10 several reboot incase of black screen

My acer aspire one 522 with a new ubuntu 12.10 or Kubuntu 12.10 installation (dual boot with win7) sometimes has a black screen but if I reboot once or more, I can login on desktop. How can I fix ...
8
votes
1answer
749 views

Display problem when adjusting brightness in ubuntu 12.04

Recently I installed Ubuntu 12.04 on my Dell 1554 laptop. I was adjusting my screen brightness when this happened : this has become a recurring problem which is really annoying. I also want to ...
0
votes
4answers
4k views

How to take screenshot of an X11 based GUI from a text terminal (such as tty1)?

I tried using DISPLAY=:0 import -window root "$HOME/Pictures/screenshot.png" (import is part of the ImageMagick suite), but that just displays a black screen. I want to do this as I wanted to ...
3
votes
1answer
4k views

Best triple head display setup

I'm currently running Ubuntu 12.04 with a darn good triple head display setup. I've got a VisionTek 900530 Radeon HD 5450 512MB DDR3 PCI Express video card that has two DVI outputs and one Mini ...
0
votes
1answer
356 views

Ubuntu 12.04 on Dell Mini 9: direct me to screen aspect ratio directions?

Can someone direct me to an existing discussion, if there is one, about how to install the right aspect ratio or screen resolution on my Dell Mini 9 now that I have Ubuntu 12.04? All the discussions I ...
4
votes
4answers
9k views

How do you adjust screen brightness on Acer laptop? [closed]

I have an Acer Aspire one 5742 laptop. I installed Linux Ubuntu 12.10 on it. I have one problem with it. no matter how I press the Fn+↑ or Fn+↓ keys I cannot adjust the Screen Brightness. It ...
2
votes
2answers
6k views

Ubuntu stops using Nvidia driver after kernel upgrade

Just updated and restarted, Ubuntu's doesn't display correctly. After restart, the desktop now looks like this. I've temporarily switched to the Nouveau driver. The update history reveals the kernel ...
1
vote
2answers
118 views

Is it possible to have my desktop loaded before login?

I am connecting to the system with Putty (this is Windows SSH client) then running some service in interactive personal mode. For example this is a script to run freeswitch: dims@nebulla:~$ cat ...
0
votes
0answers
291 views

Desktop goes blurry / granulated

After few minutes using, desktop and fonts in unity-menu goes blurry. See screenshot: Closer image: In all applications (browser etc.) graphics seem to be allright. After rebooting problem ...
6
votes
2answers
11k views

How do I reset my display settings from the command line?

I'm running 12.10 on a dell e5400 laptop and I used xrandr to get the dual monitors working that I connect through a laptop dock. I used xrandr again to switch back to the laptop display when I ...
1
vote
0answers
101 views

Monitor blinks with certain programs

My computer is a HP dv6 with 8gb ram, 500gb hdd and a amd radeon hd 6480 graphics card and dual core cpu. Now here is my problem: When I try to run some programs such as gucvie and xbmc, the screen ...