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

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1
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0answers
5 views

How to start lxde (lxsession) as a non-root user from ubuntu chroot on android phone?

I've built ubuntu-armhf on a partition on a memory card on moto g 4g phone, i can chroot to this and start lxde on an x-server app running on localhost:0 on the phone, this works fine as root, the ...
0
votes
0answers
14 views

I have no console output on boot ASROCK IMB-150

No video on boot I have a small industrial computer with an ASROCK IMB-150 Motherboard in it, running Ubuntu 14.04 server. Ubuntu boots up fine, but if there isn’t a screen attached at boot time ...
7
votes
3answers
1k views

Switch windows only in current workspace and display

I have recently acquired a second display for use with my laptop running Ubuntu with xfce and compiz. However, one thing that has been bugging me is window switching: my second monitor has some ...
2
votes
0answers
9 views

Color became weird after running a game in Wine?

Alright, so, I'm not entirely sure how to explain this... Screenshots don't show anything wrong, and Skype friends on screen share say it looks fine. But restarting fixes it. (For the most part (more ...
1
vote
2answers
3k views

How to disable screen dimming in 14.04?

When I am inactive for 4-5 minutes, the screen is automatically dimmed. This is too much boring when I am watching movie. How to disable this thing??
0
votes
0answers
5 views

hdmi intermittent projector problems

I am connecting an Ubuntu 14.04 machine running xfce4 to a projector via the HDMI output (using a Belkin adapter), and I find that, initially, it detects the projector output, allows me to mirror ...
0
votes
0answers
8 views

Ubuntu windows content are not refreshing

I recently upgraded the video card on my computer (from Intel HD Graphics to some ATI Radeon card) ton my Ubuntu 12.04. However, there appears that some windows that I open in GNOME Session Fallback ...
2
votes
1answer
7k views

How to reset display settings in XFCE \ Ubuntu 12.04 and also flgrx drivers

I recently upgraded to Ubuntu 12.04 and since I hate unity I installed the Xubuntu package and am using XFCE instead. Since I have a Radeon HD5770 I also installed the fglrx drivers. This all went ...
0
votes
2answers
60 views

Easy configuration of dual monitor? [duplicate]

I recently bought an external monitor which I use in Portrait mode attached to my laptop. With quite some regularity I have to connect/disconnect it monitor (I work at home and often need to move to ...
0
votes
0answers
7 views

Lenovo g570 External display

I'm attempting to make an external display my only one, it is detected in displays but when i switch to it nothing happens, and the monitor claims the computer isn't sending a signal. I think it may ...
1
vote
1answer
45 views

Display unknown after nvidia driver update, resolution stuck at 800x600

I am currently running Ubuntu Gnome 15.04 I just installed the proprietary nvidia driver version 346 to resolve issues with another application and restarted my desktop to find that my main monitor is ...
1
vote
0answers
33 views

Xorg.conf is not changing the Display orientation

I am currently using Ubuntu 15.04 with a GTX 570 on 346.46. I have a 2560x1440 display with a 1080x1920 (portrait) display to the right. I am using i3 as a window manager. The displays seem to be set ...
1
vote
0answers
30 views

Windows distorted, can't start lightdm - now can't even boot in graphics mode anymore

I have kind of an urgent problem here as my laptop turned out to be completely useless while on a trip. I'm using Ubuntu 14.04 on a Lenovo U410. When I boot, there is no problem. The login screen ...
1
vote
0answers
17 views

Display color calibration error “unknown calibration display type selection”

Fresh installation of Ubuntu 15.04. Running Settings-Color-Calibrate Have "Eye-one display 2" sensor connected and working. Getting the message during step be step calibration configuration: ...
0
votes
0answers
15 views

eeePC correct resolution

just installed 14.04.2 on an eeepc 1015PE. I am trying to figure out how to get the native resolution (1024x600). when I go into the display properties the only viable option is 800x600 which makes ...
0
votes
0answers
11 views

Screen resolution too big (EDID is wrong)

This question might have been asked before but I have googled for days now, found nothing. So I decided to ask here. I got a TV with (what I believe) the resolution of 1366x768. On the TV it says "HD ...
0
votes
1answer
114 views

White pixels at left border in gnome flashback

I run the Gnome Flashback with Metacity session. I just upgraded from 12.04 to 14.04.1. After the upgrade, when I have an application maximized, there sometimes appears a little 1-pixel-wide white ...
0
votes
0answers
14 views

Laptop cursor flicker when docked and connected with 2nd display

new to Ubuntu here. I made my Dell Precision M4700 Dual bootable between windows 7 and Ubuntu 14.04.2 LTS. Ubuntu is installed on a separate hard drive. So far everything works wonderfully, except ...
13
votes
2answers
21k views

How can I rotate my display in the most easy way?

I am the lucky owner of a pivot monitor, which screen can be rotated (physically). What is the easiest way to make my display turn when I turn my monitor? For the moment I first launch the 'Displays' ...
0
votes
0answers
42 views

NVIDIA Driver Problem After New Kernel Build

I'm running Ubuntu 14.04 in my system. Recently I did a clean build from the source code and installed the new kernel but unfortunately when I try to start the new kernel, the desktop remains blank. ...
0
votes
0answers
31 views

HDMI Monitor Detected but no output

I am unable to get dual display working with Ubuntu 14.04 on Dell XPS 8700 with Nvidia GeForce GT 635. I have two monitors (40" TVs actually) connected via DVI-HDMI and HDMI-HDMI cables. The DVI-HDMI ...
0
votes
0answers
102 views

Ubuntu 15.04 nvidia 346.59 external monitor display - windows stretched; click offset is off

I have used the same hardware setup with Ubuntu 14 and didn't have any problems with the nvidia driver (not sure which one I used back then). Seems to work fine in "only external monitor" "only ...
0
votes
0answers
28 views

14.04 Resolution changes on startup

I have a laptop running 14.04 permanently connected up through my projector. I basically use this as a desktop and never power it down or log off. The problem is whenever I change the input on my ...
1
vote
1answer
50 views

How can I mirror one of the screens in a 3-monitor setup?

Is it possible to have 2 extended monitors and get the third being a mirror of one of the two extended? I'm pretty sure it's not possible through the interface but it may be possible through ...
0
votes
0answers
107 views

Display program crash Ubuntu 15.04

I just installed the Ubuntu 15.04 on my main computer along side Windows 10 and when I installed everything seemed to work on one screen but when I connected the other it's duplicate, so I tried ...
0
votes
0answers
17 views

Can't keep monitor backlight off with xset

I use xset dpms force off and the backlight turns off but it turns back on in a minute on its own. The command setterm -powersave powerdown gives the message: setterm: cannot (un)set powersave ...
0
votes
0answers
43 views

Resolution issue with 14.04 and a 32" LCD TV

TV is connected via VGA. It works but I get a low resolution. I tried to manually add a new 1920x1080 mode (what all the existing posts seem to suggest): xrandr --newmode "1920x1080_60.00" 173.00 ...
0
votes
2answers
32 views

Please help with kodi and disabled monitor

I check Blank other displays option on kodi. And when play movie on tv kodi dim my main monitor, but after stop movie and close kodi my main display not turn on. I try restart, uncheck Blank other ...
0
votes
0answers
20 views

No video on built-in display after installing 14.04

I just installed Ubuntu 14.04 on my Asus N53TA notebook, but after the first reboot I got no video on the built-in display, although through the hdmi port everything works fine. If I change the ...
0
votes
0answers
34 views

Ubuntu, old monitor and ATI Radeon HD3850 - unknown display, low resolution

I have an ATI Radeon HD3850 graphics card and this monitor: http://www.engadget.com/products/philips/170s/specs/. Ubuntu will not show the correct resolution (1280 x 1024), but will show the max is ...
4
votes
2answers
68 views

Some dialog boxes are bigger than screen/display

I have an embedded board with Ubuntu 12.04 LTS GNOME 3.4.1. With this board I am using LCD display 800x480 and HID resistive touchscreen. Everything works fine but I have a problem with some dialog ...
0
votes
0answers
10 views

Enable screen powersaving 48Hz feature

Hello there fellow Ubuntu-ers, when I was using Windows, there was a feature how to save power by reducing the fps (or Hz if you'd like) of the screen from 60 to 48. Although it;s not clear how much ...
10
votes
5answers
29k 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 ...
0
votes
0answers
57 views

Ubuntu 14.04.2 display missing some characters [duplicate]

Some time the text display missing some characters, its happen on a UI window or even the terminal text. I have a screenshot here: Here is my lspci output: 00:00.0 Host bridge: Intel Corporation ...
5
votes
3answers
13k 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
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
0answers
75 views

Thinkpad W540 running ubuntu connected to an apple display using thunderbolt

I'm wondering if there is some evidence that you can use an Apple Thunderbolt Display with a Lenovo that has a Thunderbolt port (W540 in my case) under Ubuntu. Is there some driver needed or specific ...
3
votes
4answers
3k views

Dual Monitor not recognized in Xubuntu 14.04

I have a Dell Latitude Laptop E6440. The laptop have two in4terfaces, VGA and HDMI. I connect an external monitor to the VGA port, but when I ran the xfce4-display-settings I see only one monitor (the ...
1
vote
0answers
15 views

Dual monitor with single motherboard (VGA and HDMI) black fews second when select “System Settings” in menu bar

I had single motherboard to use dual monitor WITHOUT additional graphic card. One monitor export VGA and another monitor export HDMI. It perform normal but only when selecting "System Settings". ...
1
vote
1answer
82 views

Ubuntu 14.10 dual monitors not working (display port & VGA)

$ lspci 00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller (rev 09) I'm attempting to run 2 monitors but only one is working. The VGA ...
14
votes
4answers
16k views

How do you change brightness, color and sharpness from command line?

I am controlling my PC with SSH and scripting. How can i change the brightness, color and sharpness from command line? Try 1: failed $ sudo redshift -t 5000:5000 -g .5 Cannot list GNOME panel ...
0
votes
1answer
37 views

How to make multiple monitors work just like in Windows?

I've tried various DEs (Xfce, MATE, GNOME...), but I couldn't set up my screens properly in any of those. Here's the setup I'm looking for: 2 screens with different resolutions (LVDS on the left - ...
2
votes
2answers
880 views

Dual monitor setup, why does NVidia 340 Prime only detect one monitor?

I'm using: Alienware M14xR2 laptop running Ubuntu 14.04 2 * DELL U2412M monitors attached via HDMI and Mini Display Port Optimus graphics (Intel + nVidia GeForce GT 650M) running with nvidea-340 and ...
1
vote
1answer
28 views

Problem with display with chrome

When a play with the size of the window and return to the full screen I got a display problem on the top of the screen.
-1
votes
2answers
29 views

How to remove after login screen (annoyingly slow)?

I've just installed Ubuntu Server LTS. After login, the screen slooooowwwwwlllllyyyy mutates into a splash screen with a gear and other icons and then sloooowwwwwllllyyyy presents the desktop. How ...
1
vote
1answer
57 views

Ubuntu : Why little yellow tint on display?

Why little bit yellow tint on Ubuntu OS? When I see white colors on both the windows and Ubuntu. Ubuntu is little yellow display. Why Its little tuned by Yellow color? Sorry I don't know weather its ...
1
vote
3answers
6k views

3 Displays Ubuntu, ATI Radeon

There are lots of questions on this but I've read them all and none helped me! ATI Radeon HD 5400 Series PCI Express 2.0 My co-worker attempted to use 3 displays on windows, that failed... ...
0
votes
0answers
11 views

display goes black when inverted

When I invert my display (xrandr -o inverted), the display goes black. This is in contrast to orienting the display to left (xrandr -o left), to right (xrandr -o right) or to normal (xrandr -o ...
0
votes
0answers
17 views

Ubuntu 14.04 LTS server display settings do not survive a reboot

How do i get the display 1280x768 to survive a reboot? After every reboot it is back to 800x600.
11
votes
2answers
17k views

Using Intel Wireless Display (WiDi) in Ubuntu

My Thinkpad X1 Carbon apparently supports Intel WiDi. I believe this should, in theory, allow me to share my screen with my Sony Bravia TV which supports Miracast. Is it possible to make use of ...