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
votes
1answer
2k views

Ubuntu 12.04 - can't detect 2 displays

I'm running ubuntu 12.04, my graphic card is: VGA compatible controller: Intel Corporation Haswell Integrated Graphics Controller (rev 06) I have 2 Display but the desktop is not extended, both ...
3
votes
1answer
97 views

Installing Ubuntu 12.04 on a laptop with a external display only

I have a old Dell laptop that I use as a media computer hooked to my TV. It was in rough shape when it was given to me as it has a broken keyboard and screen. I have been using it with my TV or my ...
1
vote
0answers
758 views

Nvidia display driver installed but not working 13.10

I have a Shuttle sn41g2 and I belive the correct nvidia drivers are installed but the screen is blank. I have tried the 'top tips' from the internet but with no success. Thank you. I have tried the ...
2
votes
0answers
32 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 ...
1
vote
0answers
488 views

connect Crossover High Res. Monitor to Intel HD Graphics 4400

I tried to attach my external Crossover monitor to my Lenovo Yoga 2 Pro with help from this page on notebookcheck.com. My monitor seems to be able to display only 2560x1440 at 60.0, xrandr shows ...
0
votes
1answer
110 views

Multiple Monitors: Monitor not turning on

I'm having trouble configuring my laptop display with the external monitor. I use the laptop most at home where I connect it to an external monitor and turn the display off. However I still need to ...
3
votes
1answer
6k views

How to connect computer to tv with hdmi?

I am trying to connect my laptop with my tv using an hdmi cable. It has worked with an vga cable, but my problem is that the screen does appear, but it freezes and nothing happens. The screen is also ...
2
votes
1answer
571 views

How to apply changes done to dual monitors without restarting gdm or lightdm

I know gnome-control-center display changes the file ~/.config/monitors.xml. But when I restart my machine, gnome-control-center display don't remember my previous settings for dual monitors. So I ...
1
vote
0answers
358 views

Error when using DisplayPort monitor - Lenovo X220

When I connect my Acer 21.5" LCD monitor to my Lenovo X220 using a DisplayPort to VGA connector, the monitor shows up under 'Displays' but when I enable the monitor, it doesn'twork and I get the ...
2
votes
1answer
588 views

Can I adjust computer display size to fit broken screen?

The right 1/4 of my HP laptop screen is broke and does not display anything. I would like to adjust the display of the screen to fit in the 3/4 of the screen that works. I do not want to change the ...
1
vote
1answer
459 views

Different text scaling factors for different displays?

I just purchased a new laptop, which has a much higher DPI than my prior one did; in fact, its resolution (in a 14" form) is roughly the same as that of my 23" second monitor. I'd like the text on ...
0
votes
1answer
166 views

I unchecked “dim the display”, but it's still diming

I have problem on my asus k55a running ubuntu 13.10. I have unchecked "Dim screen to save power" in Brightness & Lock, but the screen is still dimming after a while. This is very annoying when I'm ...
2
votes
1answer
75 views

Adjusting default brightness upon boot

When I boot to ubuntu 12.04, the back light on my display turns off and I have to press the increase brightness button 4 times to get it to the desired brightness. Is there a terminal command I can ...
1
vote
1answer
33 views

Cannot see any applications except the menu bar

I'm running 13.10 in a virtual machine using Parallels 9. I recently installed some updates and was prompted to restart. Now cannot see any running application. I am able to see the menu bar on the ...
0
votes
1answer
3k views

How to set up dual monitor on PC without graphic card? Ubuntu 12.04

My PC does have built-in graphic. I have vga switch and using it I would like to setup dual monitor. After pluging both monitors with VGA switch I had a duplicated view on both desktops. I would like ...
0
votes
1answer
105 views

Ubuntu 12.04 blanks the display unless the mouse is moved at least once after boot

I am trying to deploy a bunch of machines without any KB/mouse, only a display. Their job is to launch Firefox and immediately display a URL full screen. Everything is working except that the ...
0
votes
2answers
2k views

How to list active displays (on command line)?

xrandr -q gives me a list of connected displays, but how can I find out (script friendly) if a display is currently active? Context: I would like to write a script to toggle a Display. If it's ...
2
votes
0answers
201 views

How to fix: too short external monitor's resolution after HDMI reconnect until reboot?

I am working on a notebook with external monitor via HDMI and experiencing the same problem each day - in one specific case the external monitor's resolution is not set correctly - gets 1600x1200 ...
1
vote
1answer
67 views

After Ubuntu update display size is 7" and it loads a Mobile version of Ubuntu

Using Ubuntu 13.10 after the latest update I restarted. Now there is no mouse cursor, the screen resolution has changed to 1920x1080 and the text is unnecessarily huge. I managed to get to the display ...
0
votes
1answer
147 views

no display backlight after boot on my notebook

i insttalled ubuntu 13.10 on my COMPAQ PRESARIO CQ-41 209TU notebook.but whenever it comes on login screen, display backlight turns to 0.why?please help me.
0
votes
1answer
2k views

How can I display laptop screen on the TV by HDMI in Kubuntu

I have installed Kubuntu 13.10 on my laptop. My problem is when I connect HDMI cable between my laptop and TV. Two screens will work: *screen 1 (Laptop) *screen 2 (TV) how can I change them to be ...
1
vote
1answer
1k views

Display Driver and Resolution Issues

I'm recently installed Ubuntu 13.10 on my PC and it was working fine. However, I was messing around with Conky (the system resource monitor) and was having some issues. I did a little research and ...
0
votes
2answers
2k views

13.10 brightness flickering MSI Wind U100

Vanilla install of Ubuntu 13.10 on my MSI Wind U100. Intel graphics card I think. Auto brightness flickers up and down, brightness hud display top-right also flickers. Interrupts input so need to ...
11
votes
3answers
27k views

How to enable monitor from terminal?

I accidentally disabled my monitors, so when I log in I land on a blank, back-lit screen. I can open terminals with Ctrl+Alt+F#, so how do I enable the monitor from terminal? I tried xrandr, but it ...
1
vote
1answer
728 views

udev + xrandr to set display gamma when plugging in a display works briefly, but gets overridden

I'm using a script like this to set the gamma values of my laptop screen and external monitor: #!/bin/bash export DISPLAY=:0 export XAUTHORITY=/home/peat/.Xauthority xrandr --output LVDS1 --gamma ...
0
votes
1answer
1k views

DISPLAY command on the command line

What does the command export DISPLAY=:0on terminal do ?? Is it possible to change the number from 0 to some other value..
1
vote
1answer
472 views

Can't get past splash screen on 13.10 boot

I have just updated to 13.10. The system boots and loads, and the GUI login screen appears. After logging in, however, I am left with the colorful splash screen and nothing else happens. I can use ...
0
votes
2answers
1k views

No display after connecting tv over HDMI on both tv and laptop screen

Yesterday I wanted to watch a movie on my tv so I plugged my TV to the HDMI port of my laptop. At first it didn't show my tv as a second screen so I went to settings -> display and enabled my tv. But ...
1
vote
0answers
69 views

Display -> System Settings no icons are available

When I go to Displays in Ubuntu 13.10 I get this: Can you help me please ? Regards.
0
votes
1answer
165 views

Blender causes my screen backlights to flicker

I am using a desktop with a Radeon HD 5xxx CGU. Every time I work with Blender (no matter the version), my screen flickers at what seems to be random times (meaning I don't feel I am doing anything ...
4
votes
1answer
307 views

Add asymmetrical margin on LCD display?

My old laptop display is starting to break, and I have many dead pixels and other physical issues on the left side of the screen only. Of course I should get a new monitor (or ideally a new laptop), ...
1
vote
1answer
152 views

Secondary monitor on Ubuntu 12.04 resets to a lower resolution

I have a Ubuntu 12.04 PC with 2 monitors - a 17" 1280x1024 LCD and a 23" 1980x1080 LCD. The 17" monitor is shared by 2 PCs via a VGA KVM switch, and sometimes when I switch back to the Ubuntu PC, the ...
1
vote
1answer
406 views

Lubuntu VM - how to make external monitor on left side of primary monitor

I am using lubuntu as a virtual machine and my host OS is windows 8 and I connected an external monitor and it is to the right of my primary monitor. How do I change it so that it is to the left of my ...
0
votes
1answer
633 views

How to change color balance of the monitor

I'd like to change the default (white) color on my laptop display. Right now the color is too blue-like, the best comparison I can make is that it emits color similar to Xenon lights on cars. I have ...
0
votes
1answer
55 views

How can I determine what is blanking my screen?

I have a laptop running Ubuntu 13.04 which drives a monitor in the hallway in our office. I use a scheduled task to turn the monitor on and off each day when people are out of the office. At the end ...
3
votes
2answers
11k views

Unknown display besides laptop Built-in display. Old question but with no answers [duplicate]

After my update from 12.04 to 13.10 my display configuration started showing an extra unknown monitor, even though I have nothing connected. lscpi: 00:02.0 VGA compatible controller: Intel ...
3
votes
0answers
425 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 ...
1
vote
0answers
59 views

Display problem black screen

I have installed UBUNTU 12.04LTS on my desktop. However, during work, the display suddenly becomes black. As the cursor is moved, it starts displaying the normal background as if it is being painted ...
0
votes
1answer
141 views

Garbled Screen after login

I've just installed Ubuntu 13.10 on a Sony VIAO. After logging in (login screen works fine) I get a garbled (unreadable) screen. The mouse does work, but as I move the mouse or click, the screen ...
0
votes
1answer
1k views

Half/quarter of the native resolution on a MacBook with Retina display

I have a MacBook Pro notebook with native resolution of 2560x1600 which makes all my desktop details unreadable. I tried increasing DPI, but icons remain small, so I decided to decrease display ...
1
vote
3answers
1k views

Shift running X window (display environment) on SSH X11 forwarding

I want to see remotely some running GUI application without kill the current process, I have tried vnc and xrdp, xrdp opens a new blank session, so it is not for me, vnc is good, but not exactly what ...
33
votes
2answers
17k views

Is it possible to have two different DPI configurations for two different screens?

I'm using Ubuntu 12.04.3 with NVidia drivers (319) for my Quadro K2100M graphic card, and when I switch my main 3200x1800 laptop screen to mode 1920x1080 (using nvidia-settings), the display goes ...
2
votes
0answers
210 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 ...
0
votes
1answer
440 views

Black Display in Xubuntu 13.10

I installed Xubuntu 13.10 a while ago. Everything was great up until just now when I tried to connect to an external monitor. After connecting the VGA cable from my laptop to the monitor I tried to ...
0
votes
2answers
2k views

How to add a 'RAM usage' icon on the panel in LXDE

Sp, I have a 'CPU usage' icon on my panel in LXDE in Ubuntu but want o monitor my RAM usage as my RAM is only 512 MB
1
vote
1answer
122 views

lubuntu won't display on both monitors at the same time

I can get Lubuntu 13.10 to display my desktop on either screen, but it refuses to display on both at the same time. Changing the resolution of a screen generally toggles which screen is displayed; ...
1
vote
0answers
48 views

Ubuntu 13.10 - is crashing the display not stable, how to fix it? [duplicate]

Ubuntu 13.10 64-bit latest version is installed in the HP EliteOne 800 all-in-one touch screen PC. Display is breaking over and over. is 13.10 stable yet? Its not working at all. Tried with Dell ...
1
vote
1answer
1k views

Change resolution on Lenovo B590 to 1600x900, Ubuntu 12.04LTS permenently?

Using Lenovo B590 my max res in Displays is currently 1366x768. im trying to change it to 1600x900. i tried following this guide: ...
2
votes
0answers
353 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. ...
1
vote
1answer
1k views

Display flicker on movies, websites, animation on Ubuntu 13.10 / nVidia restricted driver [closed]

I have been running Ubuntu 12.10 (Linux Mint 14) with the proprietary NVIDIA-updates driver without any problems (I don't know the version from that repository by heart) Recently, I installed Ubuntu ...