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

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0
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1answer
202 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
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0answers
58 views

Wrong display mode

After upgrading my PC (i686) from Ubuntu 10.04.4 to 14.04.4 I only see the upper left detail of the whole screen (270x203) on my display (115x86). I tried so many things that I just want to step back ...
0
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1answer
42 views

Why doesn't my monitor work?

I had my HD monitor working fine, I plugged into a vga somewhere else and when I came back all I got on the HD screen was blackness. Are there any settings that could have been changed automatically ...
0
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2answers
107 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 ...
2
votes
1answer
4k views

14.04 LTS unknown display, 1024x768 only

I am having problems with my ubuntu-installation. Here is the whole story: Step 1 I installed Xubuntu 15.10 on my old PC (Intel D510MO where I just upgraded 4GB of DDR2) Display only shows up with ...
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 ...
1
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0answers
19 views

How to switch to external display when screen is locked

When the laptop is sleeping and connected to the docking station (lid closed), I click the dock's external power button. From the physical indication lights I see that the laptop awakens but see ...
4
votes
1answer
2k 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
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1answer
156 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 ...
2
votes
2answers
4k views

Can not change display resolution on a Sony VGN-FZ21M

My Sony Notebook VGN-FZ21M does have a NVIDIA grafic card with a VESA G86 Board - e415h01. My Problem is, that i can not change the display resolution from 1024*768 (4:3) to 1980*1280. I tried to in ...
1
vote
1answer
5k views

“drm:[drm_crtc_helper_set_config] *ERROR* failed to set mode on [CRTC6]” during install

I have a desktop PC which I built a while back. It has an Athlon XP 2500+, 2.5GB RAM, and an Nvidia (PNY Verto) Geforce 6200. I removed the CD drive to add another hard drive so I install from a USB ...
0
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0answers
761 views

Error: cannot open display firefox in linux

When I run firefox in bash, I am facing this : Error: cannot open display or Error: GDK_BACKEND does not match available displays I installed xauth , xorg etc. But did not resolve my problem. I try ...
0
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0answers
28 views

I selected Steam “Big Picture” and now can see nothing on booting. What should I do?

Out of curiosity, I selected "Big Picture" on the Steam Linux client running on Ubuntu 15.10. The display changed and then froze. I rebooted the computer from tty2. Now when I boot, I see only a blank ...
2
votes
1answer
156 views

How to persist display settings?

I my display configuration to remain like this: Yet after each reboot, it resets to: How to have it persistent? My xrandr output: Screen 0: minimum 8 x 8, current 4920 x 1920, maximum 32767 x ...
0
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0answers
115 views

Flickering screen on both external monitors

I recently moved from a Mac to linux , I was able to use 2 external monitors with one connected via HDMI & the other VGA , these are the only ports on my laptop. Ubuntu 14.04 was working fine but ...
1
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0answers
30 views

How can I fix corrupted text and images (Ubuntu 14.04)?

I installed Ubuntu 14.04 onto my system and the text and images have been quite blurry - please see the image here: . Specifics: When I hover my mouse pointer over the text/image, it becomes ...
0
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0answers
41 views

No LCD display on startup. I have to close the laptop and open it again to make it come back

I have a Lenovo z475 Laptop and I have Xenial installed as a release upgrade from Wiley. After the upgrade, the Grub Menu never appears. The display goes black, and the only way to get it to turn on, ...
3
votes
1answer
82 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 ...
1
vote
2answers
70 views

Cannot connect laptop to TV via HDMI

My laptop is connected to TV via HDMI. During installation of Ubuntu, the TV displayed the Ubuntu screen background and a few buttons on the top right corner of the screen. However, after ...
0
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0answers
55 views

Set TV resolution to 1366 by 768 (solved) / Modeline for 1366x768 resolution

EDIT: The problem was fixed by restarting lightdm, though the general question still stands. I have my laptop with Lubuntu 16.04 with Intel integrated graphics connected through VGA to a ...
1
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0answers
153 views

Xubuntu 16.04 - second monitor disabled after display sleep

My computer is set not to sleep or lock, but to blank the display after eg 10 mins. I have 2 monitors, which, prior to 16.04, worked as expected - the only noticeable thing was that, for whatever ...
0
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0answers
320 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, '...
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0answers
154 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 ...
3
votes
1answer
73 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 mode....
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0answers
13 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.
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0answers
36 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 response....
24
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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
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0answers
27 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
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0answers
15 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
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0answers
88 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
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0answers
37 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
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0answers
53 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
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0answers
52 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
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0answers
30 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
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0answers
34 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
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0answers
30 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 ...
0
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0answers
10 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
147 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
138 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 ...
2
votes
1answer
120 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
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0answers
17 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 ...
1
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0answers
291 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
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0answers
20 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
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0answers
81 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
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1answer
39 views

Zoomed in display in Virtualbox [duplicate]

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
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1answer
87 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
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0answers
12 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
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0answers
101 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
65 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 have a ...
0
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2answers
358 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 ...