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

learn more… | top users | synonyms

0
votes
0answers
3 views

How to calculate framebuffer for xrandr

I have two monitors side by side. One is 3840x2160@30hz the other is 1280x1024@60hz. I am trying to set the smaller monitor's scale: xrandr --output VGA1 --scale 2x2 With this command only 1/4 of ...
1
vote
0answers
17 views

Ubuntu 16. Trying to set up 3 different monitors

I try to setup 3 different monitors on Ubuntu 16.04. What I have: Red is build-in notebook monitor. Orange is and green are external monitors connected via Mini-DisplayPort and HDMI. And they are ...
0
votes
0answers
46 views

Ubuntu 16.04 dual monitor resolution problem with dell precision 5510

i was installed ubuntu 16.04, my laptop is dell precision 5510 graphics are intel 530 and nvidia quadro m1000m and using dual monitor that resolution 1920x1080 kernel version 4.4.11 xenial, ...
0
votes
0answers
115 views

Ubuntu 16.04 lagging after connecting second monitor

I bought a new Dell xps 13 9350, i7, 512 SSD with display resolution 3200x1800. Ubuntu 16.04 is working well on that laptop, but after I connect a second display with 1920x1200 and run the command for ...
1
vote
1answer
15 views

xrandr “cannot find mode” although mode is added and shows on xrandr

I'm trying to use my tablet as an extended monitor for my laptop, following Prometheus's answer here. I got to the point where I'm supposed to output the mode with VGA-0, but xrandr "cannot find ...
0
votes
0answers
11 views

Hazy display after Ubuntu installation

I installed Ubuntu on my system but my display is all hazy and messed up. I have tried additional software, software updater but none worked.
0
votes
0answers
18 views

Problem after installing fglrx

I am using ubuntu14.04. I am using AMD Radeon 8600Hd graphics card. After installing fglrx, page appears to move like waves while scrolling up or down. Also there is slightly delayed keyboard ...
24
votes
6answers
16k views

Is there a software utility to adjust screen gamma/brightness/contrast?

I use to work at night and it is eye-hurting to watch at lightbulb-bright screens (I've got two - laptop's built-in panel and an external 18-inch CRT) in a dark environment. So I adjust my screens to ...
0
votes
0answers
21 views

Can't get Samsung 27" monitor to get proper resolution

I'm new to Ubuntu. I've got an older Samsung 27" monitor (60 Hz) which is capable of 1920x1080 resolution... but I can't get better than 1280x768 resolution. I've also read that there are some ...
0
votes
0answers
14 views

How to perform 2 different desktops with one notebook (HDMI)?

Here is a notebook with one desktop, and I want to use a second display monitor via HDMI, but thing is that the second display is showing the same desktop. I want two different working-spaces being ...
1
vote
2answers
8k views

phpMyAdmin - Display all queries

I have installed a fresh desktop with ubuntu quantal and the following packages versions: MySQL: 5.5.28-0ubuntu0.12.10.1 Apache: 2.2.22 (Ubuntu) phpMyAdmin: 3.4.11.1deb1 I would like ...
1
vote
0answers
24 views

Black screen after login Kubuntu 16.04 on QHD monitor

I have a new PC with ASRock N3150DC-ITX mobo and a HiRes AOC Q2577PMQ QHD monitor. The monitor is connected via DisplayPort. I have installed Kubuntu 16.04 LTS from scratch, but I get a black screen ...
0
votes
0answers
24 views

Problems with screen after connecting to projector

I've been having issues after connecting my laptop to a projector, via HDMI. I have Ubuntu 14.04 on an Acer Aspire V5-591G, graphics card is Nvidia GeForce GTX 950M. When I connected my laptop to the ...
0
votes
0answers
27 views

Ultrawide monitor only showing desktop on part of the screen

I'm currently running Ubuntu 16.04 LTS on a MSI Dominator Laptop, and with the laptop screen disabled and only using my external monitor (LG 34UC88 @ 3440x1440 21:9) Ubuntu refuses to display across ...
0
votes
0answers
22 views

New dual screen setup error “could not set the configuration for CRTC 64”

I have a Dell XPS13 with factory install of Ubuntu 14.04 LTS (3.13). I've been trying to set up dual monitors since I got it, but I can only get Ubuntu to see one external monitor at a time. It's like ...
1
vote
0answers
20 views

Can I setup a text only session and a GUI session at once?

I am yet on my legendary Lenovo T400 laptop which has the built in LCD display and a VGA connector which allow me to have an external monitor attached to my laptop and share different sceneries for ...
0
votes
0answers
29 views

How to select/activate monitor to use via terminal?

I have just installed Ubuntu Server 16.04 LTS on an all-in-one pc Acer Aspire Z1650. Installation went smoothly and succeeded. But, now I have a problem. After restarting for the first boot, the ...
0
votes
0answers
22 views

Why is the size of an image in a pdf file shown by Evince different from calculation based on DPI and resolution?

I have a pdf file which consists of only one image which fully occupies the only one page. In Evince, with 100% zoom-in scale, the size of the image (which is the same as the size of the page which ...
3
votes
2answers
696 views

Ubuntu 16.04LTS extended display not working

I recently upgraded my system from Ubuntu 15.10 to 16.04LTS. But after the upgrade, my extended display is not being detected. I am connecting the second display through an HDMI port. I even tried ...
0
votes
0answers
8 views

How do I adjust the gamma on my HDMI monitor?

I found this question, and that works on my VGA monitor, but my main monitor is connected via HDMI, and xcalib and xgamma don't work on it. How do I reduce the gamma? This is really getting to be an ...
3
votes
0answers
105 views

Problems with display resolution

I have just installed Ubuntu 16.04 and I have a problem with the display resolution of my monitor. My monitor can go up to 1440x900, but I am unable to see this option in Displays, with it instead ...
0
votes
1answer
118 views

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

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 ...
2
votes
1answer
84 views

added display moves icons to extended desktop

I have my laptop set up with an extended display in Ubuntu mate. when I add the screen, all my desktop Icons move to the extended portion. How do I prevent that from happening? I have been using ...
0
votes
0answers
6 views

Desktop icons shifting when external monitor is plugged in

Whenever I plug in my external computer monitor for use with my Toshiba laptop, all of my desktop icons shift down. This started when I first plugged in the external monitor and since it isn't exactly ...
0
votes
0answers
113 views

Second monitor not working after Xubuntu 16.04 upgrade

I just upgraded from Xubuntu 15.10 to 16.04 via dist-upgrade. After I restarted, the monitor that is connected (via HDMI-to-DVI-cable) to my laptop wasn't recognized anymore. I already restarted two ...
0
votes
0answers
22 views

Rapid flickering lines and blinking screen on 14.04 desktop [closed]

Starting yesterday, I've been seeing these rapidly flickering lines on my Ubuntu desktop. Each one is maybe 1-3" long and a random assortment of colors, like a block of a single row of pixels randomly ...
1
vote
0answers
240 views

Only one monitor usable with dual monitor setup (Displayport MST setup)

I am running a desktop computer with a Radeon HD6870 video card. The card is attached to a Dell U2515H monitor, to which another Dell U2515H monitor is attached (the displays are daisy chained ...
0
votes
0answers
18 views

Ubuntu 14.04 LTS Dual Screen Logs out

I have 2 displays connected to my Nvidia Titan Graphics. One is on the DVI port and other thru display port. When I open a application on the second display connected thru display port, the system ...
0
votes
0answers
64 views

Problem with native resolution display and adding 1920x1200 manually

Very similar to this thread (i.e. identical) problem with Ubuntu 16 which I just installed, briefly: Native resolution of my screen is 1920x1200 and it's not detected by the system in the display ...
0
votes
0answers
95 views

Cannot Mirror Display to HDTV

I am not able to mirror my laptops display to the HDTV, I am using a HDMI cable, Initially i tried connecting the HDMI cable after ubuntu had loaded. It didnt work. Then i tried connecting the HDMI ...
0
votes
1answer
21 views

Zoomed in display in Virtualbox

I'm trying to run an Ubuntu 16.04 VM in an oracle virtualbox but when I boot Ubuntu the display is extremely zoomed in. It is so zoomed in that all of the pixels are visible (the picture depicts the ...
0
votes
1answer
67 views

Problem with dual monitors and resolution

i just came from Windows 10 to ubuntu 16.04 and can't find solution or any fix for my problem. I'm using dual monitors (both the same models-Samsung S22D300N).Monitor(1) is connected via VGA-VGA ...
0
votes
1answer
76 views

unable to change screen resolution

I have a Toshiba laptop with 16.04 on it. The screen resolution is set to 1024 x 768 i.e. 4:3 How can I change it to a 16:9 resolution? If I go into settings - screen display it says Built-in ...
0
votes
0answers
10 views

Display duplicating on new install

http://ubuntuforums.org/showthread.php?t=2324826 ↑Is my original post. But I'm trying to get the problem out on a couple forums to get more help. Brand new install with ubuntu-16.04-desktop-amd64.iso ...
1
vote
0answers
100 views

Seeing Double Vision Display

I dumped Windows XP using the Ubuntu disk on my Dell Inspiron 1100. After Ubuntu 12.04LTS installed and I rebooted, the display of Ubuntu seems to repeat itself. So I have two display screens, and ...
1
vote
1answer
61 views

display rendering problem ( most text, images and window edges split into tiny lines )?

edit : I put Elementary os on my old pc and I first encountered this problem. Then I tried ubuntu 15.10 the problem still persisted. I tried this on 2 led monitors and both have the problem. I ...
0
votes
0answers
72 views

Ubuntu 16.04 Remmina connect to Mac with different display resolution

I'm trying to connect via VNC Remote Desktop using Remmina from my Desktop Ubuntu 16.04 (1920x1080) to a MacBookPro Retina (1440x900). The connection seems to work but I cannot scale and Mac's Desktop ...
0
votes
2answers
295 views

Ubuntu 15.10: blurry texts and images

I'm all new to Linux systems environment, therefore as Ubuntu itself — I'm using the 15.10 "Wily Werewolf" version —, and I've already searched a lot on the internet, in this, and several ...
0
votes
0answers
255 views

display problems after upgraded to 15.10

After I upgraded to 15.10 I have problems with the display. It seems like the background/wallpapaer is not refresh. If I drag an icon it will have tail. Opening an application (like web browser) and ...
0
votes
0answers
31 views

When the “Mirror displays” Did you wake up any action ? (Command line)

I have installed Ubuntu 16.04 on my laptop(Samsung NT530U3C-A54). It was connected to the monitor using the HDMI cable. "Mirror displays" the check was possible to use only the Three resolution ...
0
votes
0answers
33 views

16.04 Will not Boot to Desktop- Flashing Error message

I installed Ubuntu 16.04 on a Skylake system with an Nvidia Card 964 or something like that. The Nvidia driver issue from 14.04 and 15.04 is not the same behavior as this - The desktop kept flashing ...
5
votes
3answers
4k views

After upgrading from13.10 to 14.04 screen on a laptop doesn't work but

First my laptop CPU/GPU is Intel Celeron N2815 (Bay Trail) and I am in dual boot with windows 8. I have upgraded from ubuntu 13.10 to 14.04 today through update manager. And after upgrading and after ...
13
votes
3answers
35k 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 ...
0
votes
1answer
54 views

Artificially increase maximum screen brightness

I have my laptop set to maximum brightness, but it's not bright enough. Is it possible to somehow make it brighter?
0
votes
0answers
32 views

How do you detect physical screen flip on a 2-in-1 Notebook?

Making the display flip is pretty straight forward. I detected that on my Dell Inspiron 15-7568 I have the following setup: $ xrandr -q Screen 0: minimum 8 x 8, current 3840 x 2160, maximum 32767 x ...
0
votes
0answers
30 views

Ubuntu 14.04 wallpaper is low resolution after login

I have a Dell XPS13 with an Intel5500 graphics, it came native with ubuntu 14.04. The following problem with the wallpaper occurs since I had an external TV connected via HDMI (set in mirror; TV had a ...
0
votes
1answer
50 views

Does Ubuntu damage some LCD screens?

This is my story with Ubuntu. I'm a programmer, so I think Linux is the best for me. I have an Acer Aspire 5732 Z, with 4 GB RAM and Pentium(R) Dual-core 2.20 GHz Processor. My graphics card is: ...
2
votes
2answers
4k views

Correct Display configuration. Errors while trying to arrange displays

I am trying to set up my tv with my laptop trough a VGA cable. The display application in Ubuntu throws a lot of errors to me and I have given up in trying to do it myself. I try to apply the 1920 ...
1
vote
0answers
19 views

Display turn on automatically after time out

Display auto time out after the given time. Even when locking Ubuntu, automatically fading and turn off the display. But after couple of seconds display automatically turn on without mouse or keyboard ...
0
votes
0answers
23 views

Display enters power saving mode after boot splash screen trying to install Ubuntu 16.04

I am trying to install Ubuntu 16.04 on two computers. Both have similar AMD APUs (w/built-in AMD Radeon) and boot in CSM mode, not UEFI. Both are new installations, not upgrades. The first one went ...