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

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3
votes
0answers
65 views

Two monitors, two DP-connectors, Ubuntu sees those as one

I have a IBM ThinkPad in a dockingstation. Attached are two monitors (default resolution: 1920x1200) via two DisplayPort connectors. The laptop have Nvidia/Intel chipset, but I only using Intel. ...
3
votes
0answers
254 views

Black screen before login

I'm having some trouble with my xubuntu. It was running just fine yesterday but it's not working today. I remember that I've flipped the power switch during the last shutdown (because it was taking ...
3
votes
0answers
989 views

Ubuntu 12.04 Unity: Black screen with cursor only, when external display is connected before booting laptop

Whenever I connect an external display to the DSub port of my laptop before booting into Ubuntu, something goes wrong in Unity to cause the exact same problem as described here: After logging in, ...
3
votes
0answers
81 views

Bottom Half of Screen is Glitchy

Total newbie here... I'm running 12.04 on a salvaged HP Pavilion zt1130. Video is S3 Savage4 AGP 4x... No idea if it's a card or what. I'm unable to find anything about a driver. I'm having a ...
3
votes
0answers
540 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 ...
3
votes
0answers
2k views

display port on x230 not working

having problems with my new lenovo x230 - using dual montiors, only vga registers anything. This has the Intel graphics controller : 00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge ...
2
votes
0answers
38 views

Can't change monitor to native resolution

I'm using a laptop running ubuntu 14.04 LTE, and I have secondary monitor LG Flatron M197WD, which according to the lg website can run in a 1366x768 resolution. This mode didn't show up in either the ...
2
votes
0answers
25 views

Display Problems

I am running Ubuntu 12.04 LTS (Guest) in VMWare WS 7.1.2 on Windows 7 64-bit Host. I have VMWare Tools installed properly and have been using them for years. I have unchecked 3D Acceleration -- never ...
2
votes
0answers
2k views

Ubuntu 14.04 Dual monitor

I am in the process of moving from Windows XP to Ubuntu 14.04. I need to be able to run in what windows calls 'extended desktop'. As soon as I plug in the projector or a monitor the video output ...
2
votes
0answers
20 views

How to set a temporary custom desktop width for a broken display

I need to temporarily limit the horizontal extension of the Ubuntu environment, because the display is broken and its rightmost quarter is full of vertical lines, making the top panel menus not ...
2
votes
0answers
118 views

Blank Screen upon login after installing openGL

I have an Inspiron N5010 running Ubuntu13.10 64b. It uses Intal HD Graphics (i.e. no ATI/Nvidia graphics card) I need a software that uses OpenGL, and I installed multiple packages using synaptic ...
2
votes
0answers
203 views

No HDMI output decteded

I'm running Ubuntu 13.10 and trying to connect to my TV using the HDMI port on my computer. But nothing happens when I plug it in, and clicking on Detect Displays in the display settings does nothing. ...
2
votes
0answers
43 views

How to dynamically change configuration of a running Xserver?

I'm running Ubuntu 12.04.3 on Intel's HD4000 GPU. While Xserver is running, I would like to: add a new dummy screen to a running xserver (existing session, no DM involved) set resolution of display ...
2
votes
0answers
46 views

How to clear up herringbone video problem?

I have Ubuntu 13.04. When I turn the computer on, most of the time I get a herringbone pattern. If I turn it off and back on. Sometimes that works. Then I get the opening screen with the programs. ...
2
votes
0answers
75 views

How to fix display issue where random characters are missing?

Just installed ubuntu and this is my screen I uninstalled and reinstalled several times
2
votes
0answers
97 views

Aspect ratio is locked at 4:3?

I just installed Ubuntu on a fairly new laptop, and everything worked fine at first. However, after I installed a proprietary driver for the cpu and reset the system, the aspect ratio was ...
2
votes
0answers
159 views

Command “xset dpms force on” after resume

I Use Lubuntu 13.04 and the LVDS Display only works if you use the "nomodeset" option is set in grub. (The VGA Display works without a problem...) After a resume i only can see on the LVDS Display ...
2
votes
0answers
392 views

Ubuntu 13.04 put resolution at 1024x768

After the installation of Ubuntu 13.04, I have the resolution at 1024x768 instead of 1280x800, and even after switching all the possible drivers in Settings, the situation doesn't change. Plus, this ...
2
votes
0answers
245 views

projector (external/internal combo) icons while switching - how?

External vga connected monitor with laptop. On windows when you press the projector hotkey/fn key on a laptop, you see a list of options or combinations of external projector and onboard screen, it ...
2
votes
0answers
1k views

Fix Overscan/ Underscan on HDTV Intel HD Graphics Card

I have my laptop running Ubuntu 12.10 hooked up via HDMI to my 24inch, 1080p HDTV though I am experiencing an overscan problem. When the tv cis connected, it cannot be run at the 1080x720 resolution ...
2
votes
0answers
402 views

Black screen when taking screenshot

I am getting black pictures when I try to take a screenshot with the PrtSc key (which calls Screenshot application). My graphical system is a Nvidia optimus with Bumblebee installed (the problem ...
2
votes
0answers
181 views

Ubuntu 12.10 won't save display settings after reboot . How do I fix this?

When I mean display settings I mean desktop backgrounds or icons that I removed from the Unity launcher. It just goes back to the default every reboot. The only thing it did save is the theme that I ...
2
votes
0answers
992 views

Setting up xorg.conf metamodes for nvidia letterboxing

I'm currently trying to configure my xorg.conf to letterbox screen resolutions smaller than the native resolution of my display (1680x1050) so that I can play older games full screen without ...
2
votes
0answers
121 views

Changing to a lower screen resolution

When I change the screen resolution of my laptop from 1366x768 to 1024x768 via [Displays ...], the entire screen is still filled. How can I have a 1-to-1 mapping such that the original proportions ...
2
votes
0answers
668 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 ...
2
votes
0answers
163 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
0answers
116 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 ...
2
votes
0answers
177 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
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
137 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
332 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 ...
2
votes
0answers
263 views

Low resolution Dektop intel i7 3770 and intel board DH67BL

I installed Ubuntu 12.04.1 in a desktop with the following specs: CPU: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz Motherboard: Intel DH67B However the monitor is not identified (Monitor: Unknown) ...
2
votes
0answers
1k views

Dual monitor not working completely in 12.10 after upgrade

At 12.04, dual monitors worked perfectly. After upgrading to 12.10, the primary monitor works, the second monitor only partly works. I am sure there is some difference between the releases that I ...
2
votes
0answers
51 views

Problems with second display

First of all this problem is only with KDE. Im configuring my displays with nvidia-settings. I set to both right Hz and resolution But on second display allways there is some line that is separate ...
2
votes
0answers
338 views

Display in applications on ubuntu 12.10 is broken - maybe theme problem

I have a problem which looks like this: If you take a look at buttons "Apply", "Reset", "Close" or any other buttons or drop-downs, you will see there is no style on them. It is a fresh install ...
2
votes
0answers
925 views

Unable to enable dual displays

I am running an almost-fresh version of Ubuntu 12.04 on my old Dell Inspiron 710m laptop. I had to re-install yesterday due to a different display issue. I wasn't able to directly reinstall 12.04 ...
2
votes
0answers
210 views

External display, windows are moving to external display

I use external display with lenovo w520, I am running it with following script xrandr --output LVDS1 --auto --primary --output VIRTUAL --mode 1920x1200 --left-of LVDS1 optirun screenclone -d :8 -x 1 ...
2
votes
0answers
233 views

Default program startup display

I have a dual display setup and would like to be able to set which display a piece of software starts on. Most software seems to return to the last display but Stellarium always starts in the primary ...
2
votes
0answers
344 views

display resolution question

My machine has two hard drives, one has Fedora 64bit and one has Ubuntu 12.04 64bit. When running Fedora, I can set the resolution to 1600x1200. But I can only get 1280x1024 when Ubuntu is running. ...
2
votes
0answers
627 views

I can't set 1280x1024 resolution in 12.04

After installing a fresh Ubuntu 12.04 on my PC, Ubuntu can't detect my monitor which is a Phillips 190c 19". With 10.10, I used 1280x1024 and on Nvidia drivers I was able to see my monitor brand. ...
2
votes
0answers
503 views

Cannot find display :0.1

I'm using fujitsu LH531 Laptop with ubuntu 12.04, and with secondary 1440x900 monitor attached to the VGA, confirmed by xrandr command. The problem is, i want to run a program (vlc) to the second ...
2
votes
0answers
347 views

verbose displayed halfly over text mode booting

I tried to boot my Ubuntu into text mode with verbosity enabled, this is what I configured in /etc/default/grub: GRUB_CMDLINE_LINUX_DEFAULT="text init=/sbin/init --verbose vga=791" then update-grub ...
2
votes
0answers
110 views

one desktop per monitor

It is possible to configure a desktop per monitor in Ubuntu 12.04 ? If I enable 'simple desktop' in catalyst driver, one of my two screens is blank. When I move my mouse in the blank screen, I have a ...
2
votes
0answers
860 views

External display not detected on Lenovo T520

In Ubuntu 12.04 64bit, I installed nvidia-current-updates and enabled the discrete NVIDIA card only in BIOS (Optimus completely disabled). Ubuntu uses the nvidia driver but fails to detect an external ...
2
votes
0answers
258 views

After upgrade from 11.10 to 12.04 video display hurts my eyes

I am running on an Asus X54H laptop (Intel video adapter). When I installed Ubuntu 11.10 the video display was crisp and sharp, right out of the box. there was no need to do anything else beyond the ...
2
votes
0answers
1k views

Setting nomodeset to fix blank screen on boot breaks browser rendering

I have upgraded my wifes netbook (Novatech X10) from 10.04 to 12.04 and hit the same problem I had with 11.04 and 11.10 with the blank screen on boot. I can fix this by adding the nomodeset option to ...
1
vote
0answers
19 views

Broken Display - Black Screen

I was changing some settings in CompizConfig and things were starting to look bad and kind of glitchy, so I clicked Reset to Defaults in CompizConfig and suddenly, everything disappeared except my ...
1
vote
0answers
17 views

What is causing these display bugs?

Since I installed 14.04 I have some annoying display bugs. Everything works fine except for some stripes which appear sometimes in the window switcher and on the maximize button for example. Any idea ...
1
vote
0answers
32 views

External Display HDMI out not working

I know this may be a stupid question but are Samsung monitors supported in Ubuntu? I ask because I've recently switched over from windows to Ubuntu 14.04 on my laptop. I have a Samsung monitor I user ...
1
vote
0answers
16 views

Configuring two sets of mirrored displays

I'm trying to configure several Ubuntu 14.04 desktop workstations, each of which has a total of 4 monitors. I would like to configure them so that there are 2 independent screens, each of which is ...