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
494 views

Screen resolution messed up on Ubuntu 14.10 with Nvidia 331 driver

I am using the Nvidia 331.89 (nvidia-331) driver as recommended by Ubuntu 14.10. When I boot my machine using an external monitor and my laptop's screen on, the displays are mirrored by default with ...
1
vote
1answer
346 views

Unplug external monitor, laptop display not coming on

In Ubuntu 14.04 if I unplug my monitor from HDMI and open my laptop, the built-in LCD doesn't come on. Only after hard rebooting am I able to get back to a state where my laptop screen is the primary ...
2
votes
0answers
361 views

xrandr and multiple displays

So I'm pretty new to Ubuntu and Linux in general. I have Ubuntu 14.04 installed on my laptop and want to attach another monitor. The native laptop display is running at 1366x768 and my monitor is ...
0
votes
1answer
50 views

Laptop display stopped working with correct resolution for no reason

I'm, running latest xubuntu on a laptop with 1366x768 resolution and Radeon 4330 card. Default radeon driver. Never made any manual config changes, everything ran smoothly for a couple of months after ...
1
vote
2answers
469 views

How change display resolution settings using xrandr ubuntu 14.04

How can I change my netbook screen resolution permanently ?. It is what sreen after xrandr command Screen 0: minimum 320 x 200, current 1024 x 600, maximum 4096 x 4096 VGA-0 disconnected (normal ...
1
vote
0answers
226 views

Unable to connect to X11 display. is $DISPLAY set? - Yes, it is

I'm trying to run this in my /etc/init.d/rc.local. I had to manually add the exit 0 because it wasn't there by default if that makes any difference. cd /home/john/xcape && ./xcape -e '...
1
vote
0answers
391 views

Chrome 38 displaying weird colors and Fonts ubuntu 12.04 LTS

I have updated google chrome from 34 to 38 stable version by downloading .deb from their official website. After the update chrome is giving weird Display. I'm on Ubuntu 12.04 LTS . This colour ...
1
vote
0answers
171 views

black and white vertical lines in ubuntu 14.04

I have just installed Ubuntu 14.04 64bit yesterday in my PC. But today, desktop turned into striped lines many times and I had nothing to do except pressing the power button on CPU. Don't know why ...
0
votes
1answer
157 views

Ubuntu Thinks I Have Two Monitors

Ubuntu thinks I have two monitors when I'm on a laptop. Here is my setup: Lenovo W520 Ubuntu 14.04 64 bit Nvidia Proprietary drivers (340.46) Symptoms: Display (and nvidia-settings) shows a ...
2
votes
0answers
33 views

Display switcher indicator

Is there a display switcher indicator for Ubuntu like on Windows when I hit the button for the display switching? I hit the button accidentally sometimes, therefore it would be cool. windows display ...
1
vote
0answers
398 views

How to get native resolution of a monitor?

My Ubuntu installation seems to have magically guessed my monitor's native resolution (it's the mode it's set to on startup). Unlike most, my monitor's native resolution is NOT its highest resolution,...
0
votes
1answer
929 views

How to launch GUI app (in Ctrl+Alt+F7) from tty (Ctrl+Alt+F1-F6)

I want to know that how can I launch GUI apps from tty (Ctrl+Alt+F1-F6) into GUI mode (Ctrl+Alt+F7) Sometimes, users having problem with GUI mode like: can login to GUI but Launcher is not working or ...
1
vote
0answers
181 views

HDMI Issue - Can't disconnect from TV/External Display

So here is the situation.. When I first came back to ubuntu (14.04) I experienced a fail at wake from suspention. My Hp Pavilion G4 would turn on as expected but screen would be off (not blank, ...
0
votes
2answers
225 views

Blank display after upgrading to Ubuntu 14.04

I am trying to upgrade my system from Ubuntu 12.04 to 14.04. Everything installs well but the desktop appears blank. I have enabled Ubuntu Unity program after going into CCSM, rebooted the system but ...
1
vote
0answers
267 views

Monitor connected to VGA1 went blank!

I have been able to work for the last 3 weeks on two monitors on a Xubuntu 14.04.01 without a problem. All the monitors have been detected nicely and everything run smoothly. One of the monitors is ...
0
votes
1answer
21 views

play sound on different outputs, based on what display its the “player” is displayed on?

Is there any way to play sound on different outputs, based on what display its the "player" is displayed on? E.x if its played on the computer screen it uses analog output, but if its displayed on ...
0
votes
1answer
51 views

Multi display. how to fullscreen on selected/used display?

Multi display. how to fullscreen on selected/used display. I've tried DISPLAY:=0/DISPLAY:=1 but that does not work on most applications... Nvidia propetary drivers btw.
3
votes
0answers
2k views

auto resize guest display grayed out under virtualbox

cannot select "auto resize guest display" or Host-G, because it is grayed out; as a result my ubuntu GUI screen running under VirtualBox does not show the whole page. For example, if I select system ...
0
votes
1answer
695 views

Display screen resolution not correct in Ubuntu 14.04

Display setting are incorrect, and can't be changed in System Setting for Ubuntu 14.04 I have a problem with screen display that the header is not shown in full font (just like to "Ubuntu Desktop"...
2
votes
0answers
348 views

Ubuntu 14.04.1 LTS never remember primary screen/monitor resolution

I use Ubuntu GNOME with Nvidia graphic card (two HDMI and one DVI output). My monitor is connected through VGA - DVI adapter and work natively in 1920x1080. Since I was unable to change my screen ...
1
vote
0answers
201 views

Screen resolution lost after restart (14.04 64bit)

Screen resolution setting is lost after restart, either goe's to a low default or display goe's blank and have to reboot. Have only changed from 20" to 24" acer monitor which has a higher resolution, ...
0
votes
1answer
251 views

(Auto) Run xrandr on login?

I often attach a monitor with my laptop's VGA port, however the resolution is not optimized so I run: sudo xrandr --newmode "1440x900_59.90" 106.29 1440 1520 1672 1904 900 901 904 932 -HSync +Vsync ...
1
vote
0answers
308 views

Second screen not disconnecting (HDMI)

I have an HP Pavilion TouchSmart laptop running Ubuntu 14.04.1 I usually connect a second display via HDMI which worked fine until today. I can connect the display fine and everything auto-...
1
vote
1answer
47 views

Defect display driver

I've encountered a quite serious problem with my Ubuntu 14.04 LTS. My display driver is defect and I really need this one file on the desktop. The display will turn black whenever I start Ubuntu. Is ...
2
votes
1answer
664 views

Increase virtual screen size past 4096 x 4096 on Ubuntu 14.04 LTS

I have two 27" monitors with a 2560 x 1920 resolution each. When I try to extend my desktop across them both I get the below error: So, if I need to increase the maximum virtual screen size? To ...
1
vote
1answer
37 views

Set graphics to only use one third of a screen

are here some hardcore users like that to be able to help me with my broken screen, where only the left third of a screen works? I use an external monitor most of the time, but it would be really ...
2
votes
0answers
474 views

high-DPI scaling — 14.04 VM on OS 10.10 (PB 4), w/ Parallels 10.0.2

With this setup, the Ubuntu desktop still looks tiny on a 15" rMBP, just as it did with 12.04 and Parallels 8/9 on the same machine. I've tweaked the various Ubuntu settings, and enabled retina ...
0
votes
1answer
2k views

mini displayport not detected - hd4400, thinkpad x240

I have a thinkpad x240 with a hd4400 graphics card running on ubuntu 14.04. I've been trying to get the mini displayport working with no success. I have an apple mini-dp to vga adapater. I know the ...
3
votes
5answers
20k views

Ubuntu 14.04 Unknown Display

I have installed Ubuntu 14.04 in my machine(with Gigabyte motherboard), having an Acer 19" Monitor. Unfortunately its resolution not working properly. See the image. This is my xrandr -q output. ...
0
votes
1answer
200 views

Laptop Displays on External Monitor by Default

I was running Windows 98 through virtualbox (to play an old game that doesn't work on wine) and had to play with the resolutions a bit to get it to run at 800x600 (or less) on a monitor through HDMI. ...
1
vote
1answer
51 views

What should I do if the desktop is off the monitor?

I have a Samsung Series 7 LED TV that I've hooked up to a computer. But my problem is: When I start Lubuntu, the second the framebuffer initializes, it goes off screen. I disabled the framebuffer, and ...
0
votes
1answer
303 views

How can I fix the resolution of my monitor?

I'm having two issues with my Ubuntu 14 install, one I've band-aided, the other of which is making me pull my hair out. I managed to install Ubuntu 14, but I get a black screen on boot, and my Acer ...
0
votes
1answer
261 views

Two display monitors instead of built-in display

I have two monitors and my laptop's built-in display. However, my laptop has only a 15 inch screen, so I would like to use my two monitors instead of one monitor and my built-in display. I have ...
1
vote
2answers
2k views

Is this 4k resolution support, or 1080-?

I am having an issue with Ubuntu. I am running the latest version under Oracles VirtualBox. The highest resolution it will accept is 1600x1200. I have a new Samsung 28" UHD 4k display. I need to run ...
1
vote
1answer
438 views

How to get different text scaling for different displays?

I have a laptop with a fairly high resolution on a small display (14"). My external monitor 27" has a lower resolution than the laptop display. I would like for the text to be similar size on both ...
1
vote
0answers
146 views

Laptop detecting VGA port which isn't there. How to disable it? Ubuntu 14.04

Is there a way to disable the VGA port permanently, for all users? My Dell Inspiron 15 (3135) laptop has no VGA port, but System Settings> Screen Display shows the built-in display and a second "...
1
vote
1answer
80 views

Display randomly goes into wrong position

Running Xubuntu 14.04 on a Mac Mini, using open source ATI driver (more info below). After some time running in Xorg, the display 'rearranges' itself so the beginning and the end of the screen (at ...
0
votes
1answer
259 views

What's the difference between putting display to sleep and switching off the display?

When I mess with my power options, I have the options: Put display to sleep when computer is inactive for: Switch off display when computer is inactive for: What is the difference between ...
1
vote
0answers
350 views

Ubuntu 14.04 DIsplay Problem

I'm running ubuntu 14.04 on a Thinkpad T530 machine with nvidia NVS 5400M graphics. When I boot to ubuntu, I always stuck at the dark purple screen with 'ubuntu' at the center and five red dots under ...
3
votes
2answers
4k 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 ...
0
votes
1answer
142 views

Ubuntu 14.04 x64 display issue

I am having Acer Aspire 5742Z Model-PEW71 laptop with NVIDIA GeForce GT 540M.I have installed Ubuntu 14.04 x64 with dual boot with Windows 7. After installation it was working good. I installed Java ...
2
votes
1answer
662 views

Two monitor setup, icons / programs default to left screen all the time

I have dual monitor setup with my right monitor being my primary one. When I run a program or create an icon it always appears on the left monitor instead of the right one, even though the right ...
2
votes
2answers
2k views

Cannot get a 2160p (4K) display to work

I have a lenovo X1 carbon laptop, and an external display (Philips 288P6) attached to the DisplayPort of it. The monitor can do 3840x2160 resolution, as demonstrated by the Windows 8.1 that ships with ...
1
vote
1answer
659 views

How do I reset an ICC profile in Ubuntu?

I was playing with the color manager for my display and things went too far. I would like to undo applied profiles, or set it to default.
1
vote
2answers
403 views

Ubuntu Display Problem

When i start the pc it boots fine but then it just shows gray background and nothing else if i move the mouse it shows the cursor on the gray screen also i am able to login into it by typing "Enter ...
-1
votes
1answer
2k views

can't use 1080p. only 1024 on 768

i installed ubuntu 14.04 on my old htpc and for some reason i cannot output 1080p video. i already tried going to the display settings, though my highest available resolution was 1024 on 768. In ...
0
votes
1answer
58 views

ubuntu kylin 14.04 display problem

I've just installed UBUNTU kylin 14.04 and when I enter to desktop my screen is full of vertical colored lines.
0
votes
1answer
221 views

Kubuntu 14.04 Color Correction - like Intel HD and Nvidia Color Correction in Windows (more colorfull screen)

My question is in the title. How to make that work? My laptop is Lenovo B570 - it has Intel HD3000 and Nvidia 410M My primary target for color correction is the Intel Card - and to have everything ...
1
vote
0answers
95 views

How can I adjust screen brightness on Toshiba C665-X5010?

I am using Toshiba C665-X5010 laptop having NVIDIA GeForce 315M GPU. I have installed Ubuntu 14.04 recently and I couldn't adjust my screen brightness. Please help me.
0
votes
2answers
1k views

Why is my Display Controller Intel when I have nvidia graphics card?

When I run lspci command i get this: 00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller (rev 09) 00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v2/3rd ...