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

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1answer
18 views

help needed recovering filesystem for backup

Got myself in a bit of trouble on a previously smoothly running system. Here is the story so far: yesterday I switched to a propriatary ATI driver instead of the Nouveau driver that I ran uo to that ...
0
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1answer
66 views

ValleyView Gen7 display does not work on Ubuntu 12.04.5

Installed 12.04.5 from the ubuntu-12.04.5-desktop-i386.iso image. After installation, I was able to boot into the graphical user interface desktop every time. Did sudo apt-get update, then sudo apt-...
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2answers
150 views

How can I automatically switch off internal screen when an external screen is connected?

Windows user over here, jumping on the Ubuntu train. Currently using 14.04. I have a TV that I use for viewing movies and such, connected through HDMI. I'd like to accomplish the following behaviour ...
2
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0answers
156 views

Screen Flicker after using Skype

Last week I got a new Asus Zenbook ux303ua, which I proceeded to install Ubuntu onto (my first time running Ubuntu or Linux). Everything has gone pretty smoothly over the last week however today I ...
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0answers
88 views

DisplayPort adapted to VGA works in GRUB and Windows but not in Ubuntu

I have a Zotac CI320, which has Intel HD Graphics on its Celeron N2930. Up until now, I've been using the HDMI output, which works fine. I'd like to switch to using it with a VGA monitor input, so I ...
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0answers
29 views

Distorted UI - Ubuntu 14.04

UI at certain locations get distorted, happened in browser, software and many other apps. I have been an ubuntu user for years and have never seen such issue, although the distortion get fixed if I ...
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0answers
51 views

Default display settings locked to 640x480

Just installed 12.04 as a VirtualBox virtual machine on my original MacBookPro (32bit) running OS 10.6.8. Screen is 1440x900pixels. Display systems settings are locked (fadedout; no choice) to a "...
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1answer
136 views

Connecting Second Monitor to Laptop via VGA Cable - Screen detected, but screen says no signal [closed]

I have a ThinkPad T60 and am running Ubuntu 15.10 (I was having this problem on 14.04, so hoped updating might fix it). My second screen is a TV monitor, but I've attempted connecting to other ...
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0answers
6 views

Display Not Working If Plugged In After Bootup

I have a wider problem I'm trying to troubleshoot than the question I'm going to ask (so bare that in mind when you wonder why I'm trying to do what I'm trying to do). If I boot my computer without ...
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0answers
39 views

Losing monitor setup when logging out

I would like to keep my monitor configuration when restart/logging out of the machine. Upon logging into the machine I see the following error. I have 3 monitors, 1 laptop and 2 extended from this ...
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0answers
16 views

Change Resolution To Size Not Operable By Monitor

I have a Ubuntu server with a monitor attached to it. The monitor is capable of a maximum resolution of 1680:1050. I have now disconnected the monitor and I want to change the display resolution to ...
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0answers
57 views

How do I pin my windows to a specific display?

I have two displays connected to my Ubuntu 14.04 LTS workstation. I use these monitors with a number of other servers using a VGA Keyboard Video Mouse (KVM) switch (only the left monitor is connected ...
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0answers
28 views

xrandr shows wrong parameters

I used xrandr command to see my monitor parameters (because I have an issue with the monitor resolution), and I got the following: xrandr: Failed to get size of gamma for output default Screen 0: ...
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0answers
17 views

No display from monitor if connect it with DP port + DP>DVI connector and connect to client DVI port

Here's the setup Monitor with only the DP port Prepare a DP>DVI connector Plug onto the monitor with the DP>DVI connector Connect from the DP>DVI connector to the PC/client DVI port The PC/client ...
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0answers
34 views

Low resolution into laptop main monitor

Since yesterday (Feb., 23, 2016), when there was a massive upgrade of Linux components and apps, I just get a 1024x768 pxs resolution into my Laptop monitor, a Sony Vaio VGN-FZ21E, with Nvidia G86M (...
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0answers
79 views

Cannot scale with Ubuntu after 7 hours of trying

I have a dell XPS 9550 with a 4K screen. GTX 960M. Here is the issue: ONE boot I was able to use "install updates" from ubuntu and it made everything work flawlessly. The function keys adjusted ...
0
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1answer
79 views

How do I force Chrome to open in secondary display?

I have Ubuntu Gnome 15.10 up to date and Chrome Version 48.0.2564.116 (64-bit). Gnome names my monitor as "secondary display" and TV as "primary display". TV is on the left hand side and monitor on ...
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0answers
36 views

When I open System Settings external display is going off

I have Lenovo Thinkpad X220 and I use Ubuntu Gnome 14.04 LTS in my laptop. Also, I have a 22 inch monitor and I want to use my system from this external monitor. Before all, my laptop has displayport ...
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0answers
166 views

XRandr GUI that supports Transform?

I'm trying to correct for keystone distortion using a small Ubuntu/Debian box and a projector. The intended effect is for the desktop to be distorted in a fashion similar to this: This can be ...
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0answers
14 views

video output cuts out right before greeter

I have a monitor, with vga, and dvi. The VGA port goes to one computer, and the DVI goes to my main Computer. Recently, I've noticed that right before the greeter comes up, the video cuts out. When ...
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0answers
18 views

Second monitor only displays a “_”

I have my main monitor and my secondary monitor, during boot he actually shows everything on the secondary monitor but after its booted the screen goes black and it only shows a _. The display ...
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0answers
17 views

display problem with ubuntu 12.04

i try to install ubuntu 12.04 on my lenova pc. it's showing the following display problem.incomplete display,login screen
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1answer
60 views

I want to create a second X server

My main display is 0, running on terminal tty7, started automatically at boot time. I switch to terminal tty2, start another X server as display 1 (xinit -- :1). I can run programs from the X ...
0
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1answer
71 views

How can I add (define) more supported screen resolutions (so that I will be able to select them in Ubuntu configuration)?

I have monitor connected through VGA-DVI adapter which recommended resolution is 1920 x 1080 @60Hz. It is labeled (in Ubuntu configuration) as Unrecognized. Although my graphics card (GeForce GTX 645)...
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0answers
92 views

cant set display to full resolution (1920*1080)

I've two monitors, they support different resolutions and they were working just fine until a few days ago. In the mean time I installed some software (e.g. Virtual Box) and after restarting the PC, ...
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0answers
101 views

HELP! Screen blinks black EVERY TIME I load youtube video or any flash website

So the screen goes black for about 1.5 seconds whenever I click a new youtube video. I have tried with Chrome, Firefox and Chromium. I have tried every solution out there: Hardware acceleration= ...
0
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1answer
126 views

Cannot get right resolution with Nvidia driver

I am using the latest propriety Nvidia driver on 15.10. I currently have two screens attached to my GTX960. My problem is that one of them is connected through a VGA to DVI adapter and apparently the ...
0
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1answer
134 views

Ubuntu 15.10 Video card crash

ubuntu boots just fine but sometimes the display just freezes. So i'm guessing it's a GPU problem. My graphics card is a r9 390x and works just fine on windows. Is there something i can do to fix ...
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0answers
34 views

Mouse flickering Ati Radeon 7470 Ubuntu 14.04

I am currently running Ubuntu 14.04, Ati Radeon 7470. Everything works fine except for the mouse flicker ALL the time and if I disconnect and connect a monitor immediately log me off. I have not ...
0
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0answers
68 views

Xubuntu 14.04 + Intel graphics card = bad 1920x1080 resolution

I have a Dell Inspiron 3442 laptop that comes with an "Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)" (that's what lspci tells me) and, by running xrandr, I realize it supports ...
0
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1answer
25 views

Only login page is not being displayed in required 1080p resolution(ubuntu 14 lts)

After fresh Ubuntu 14 fresh installation ,I installed proprietary nvidia graphics driver then generated xorg.conf file by using nvidia-xconfig .Changed the Vsynch and HSynch values to get 1080p.I get ...
2
votes
1answer
97 views

Force higher resolution on second monitor on kubuntu

I have an nvidia GTX 260 896 MB and a Monitor Samsung 225 BW that supports 1680x1050 native. And I need to add and apply resolution to nvidia x server settings viewportout to 1920x1080, but it doesn't ...
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0answers
49 views

two 4K display issue's

So, I bought a new laptop and have been working on getting ubuntu fully working. It was definitely interesting getting all my killer stuff to work properly (driver wise) but that was probably my only ...
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0answers
107 views

Ubuntu doesn't recognize a screen connected to HDMI port

I'm using Ubuntu 15.10 on a laptop. My laptop is connected to an external computer screen in HDMI port. However, nothing is presented on this screen, and when I go into System Settings -> Displays, I ...
1
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0answers
107 views

Is there a way to change the screen refresh rate in Ubuntu?

So, I know this question has been asked before: "How do I change my refresh rate?" I've browsed sereral forums ad nauseam, and the response is always to use xrandr (duh.) When I run xrandr, I get ...
1
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2answers
96 views

Additional display is always added on the wrong side

I have a desktop computer with a Radeon R7 360 and FOS-drivers. My main display, which I am using always, is connected to the DVI-port and my TV is connected to the HDMI-out, in case I want to put any ...
0
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0answers
58 views

Ubuntu 15.10 Mouse blinking and disappearing with 2 monitors connected

I have already seen this related question and the answers but that didn't fix my problem. The problem is the same thing but as for the solution that people said it worked: they said disable 'Unknown ...
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0answers
23 views

Graphics Issue with Xubuntu 14.04

I was trying to set up my linux machine to run without a monitor. I found this solution online: Add Fake Display when No Monitor is Plugged In. I followed the directions on configuring a dummy device ...
1
vote
1answer
307 views

Screens turn black after plugging in external screen (vga and hdmi)

I have a dell xp13 with the latest Kubuntu. I used to work fine when I plugged in my external screen or a projector (I give presentations all the time). Now all of a sudden (I think I might have ...
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0answers
163 views

Hot to increase display colors saturation?

I tried to follow the guide on this page: How to reduce the saturation of of laptop monitor in Ubuntu 14.04? but CompizConfig saturation settings do no effect. I'm on Ubuntu Studio. http://i.stack....
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0answers
64 views

“Built-in Display” Bug after fresh install

Thanks in advance for any advice offered. I have been searching for answers since last night, but most queries I've found have disimiliar variables. I am a total novice with this OS, which calls ...
1
vote
1answer
130 views

display configuration lost after reboot

I run Ubuntu 14.04 Gnome Desktop with two displays. After startup, the two displays work, but they are not at the right position. I need the left one on the right and vice-versa. I use the display ...
0
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0answers
113 views

Ubuntu 15.10 wakes up immediately after suspend but only once per boot

got a bit of a tricky one here My computer is running 15.10, and whenever I suspend it for the first time after powering it on, it wakes up immediately after it suspends. After that initial suspend, ...
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0answers
79 views

Ubuntu 15.10 not detecting display through KVM Switch

My system worked fine with 14.04 and then I had to upgrade to 15.10. It's a dual boot Ubuntu 15.10/Windows 10 (not by choice). I also have a KVM switch to make it more complicated. Graphics is an on-...
2
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2answers
303 views

Stuck at 800x600 display resolution Ubuntu 14

After dual booting Win 10/Ubuntu 14, Windows displays at 1366 x 768 with 10 display modes available. Ubuntu has no options other than a "built-in" 800 x 600 low res output. The driver is the latest ...
0
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1answer
30 views

mirror desktop behavior Ubuntu 14.04

Im wondering something about how Ubuntu chooses which desktop is to be mirrored. Is it the primary that is always mirrored onto the secondary? What happens when the primary resolution isnt supported ...
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0answers
21 views

Regularly changing screen resoution - potential problems

I frequently connect to my home computer using VNC. I connect from computers with different monitor resolutions. I like to run my VNC client in full-screen mode, so as a result I'm frequently changing ...
1
vote
1answer
49 views

Ubuntu 14.04: I have 2 monitors, and full screen spans both of them. I only want full screen on one monitor

I see lot's of people wanting to have full screen span both monitors, yet I only want to be able to full screen an application on ONE of the monitors. Here is my /etc/X11/xorg.conf Section "...
0
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1answer
117 views

Is there any way to mirror displays in 16:9 Ubuntu 13.10

I have an old dual core Toshiba laptop with a 15" wide screen that rarely leaves my office. I have a 17" wide screen monitor plugged into the vga port on the side and want to mirror the display. ...
0
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0answers
38 views

Black screen after install

I just installed Ubuntu Server 14.04.3 32 bit os on a Dell Poweredge 700 tower. Install went smooth but now after it rebooted all I get is a black screen though it seems to have started fine. Tried on ...