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
14 views

Auto Set Resolution

Ok so, a while back I asked a question on how to manually set my vga resolution on Ubuntu. But I need to do this upon LOGIN (ie NOT ON BOOT). I need to run sudo cvt 1366 768 && sudo xrandr --...
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8 views

Lubuntu on Netbook Cannot Display Native Resolution

I recently came across an orphaned Samsung NC10 and started working on it (1.6Ghz Atom with 2GB RAM and a 60GB SSD). The display is (allegedly) a 1024x600 LCD with a 60 hertz refresh rate. It's ...
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0answers
9 views

drm:drm_edid_block_valid slowing down booting

drm_edid_block_valid is appearing a lot in dmesg, where I am looking for the reasons of my slow booting process. Here is the output: [ 13.884900] audit: type=1400 audit(1467376765.370:11): apparmor=...
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0answers
21 views

16.04 could not get screen information and external displays

Seemingly "out of nowhere", my Dell e7440 running Ubuntu 16.04 with 2 external monitors displays only the login screen for external monitors, when I login it shows system error and external monitors ...
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0answers
13 views

Display is on 42" TV on Kbuntu

I have installed Kbuntu 16.04 LTS On Intel® Desktop Board DH55TC With Intel® Core™ i3 CPU 540 @ 3.07GHz 500 GB SATA hard drive Connected to 42" LG TV with HDMI cable TP-Link 300 MB USB wireless LAN ...
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0answers
28 views

Set default Resolution system wide

I'm using Ubuntu 16.04. addicted@ADDICTED:~$ xrandr Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384 DVI-I-0 disconnected (normal left inverted right x axis y axis) DVI-I-1 ...
1
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1answer
29 views

Make terminal alias, to group video and audio setting changes, for using a/v receiver

Kubuntu 14.04 LTS (3.16.0-45-generic)- KDE - Pulse Audio volume control - System settings > display settings. Current in/outputs and system setup. 1st HDMI output to main PC screen. 2nd HDMI ...
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0answers
13 views

No display with Ubuntu amd open source driver

I have installed Ubuntu 16.04 LTS few days back. Since then I'm facing this annoying issue with open source drivers. When I start my laptop, 8 in 10 times I get no display, I have to force restart it. ...
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0answers
10 views

Ubuntu screen goes black after brightness is turned down

So my brightness hot keys work great on Ubuntu 16.04, but only when I go between 100% down to 83%. Once I hit 82% my entire screen goes black. If i turn the brightness back up it works fine, but I ...
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0answers
10 views

Can't change Display brightness “REAL TIME” on my Acer Aspire 5740 laptop

I am on an Acer (Aspire 5740) laptop and running Ubuntu 16.04LTS 64bit alongside Windows 10. I noticed that brightness control does not work real time when I try it in settings or with Fn+brightness ...
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1answer
36 views

Ubuntu 16.04 & 2016 Razer Blade 14" Display Issues

For starters, I am quite new to Ubuntu. I had to do what to me seemed like a fair amount of work to get Ubuntu to work on my system. As of right now, it is working seemingly fine. There are a few ...
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1answer
39 views

Black screen on Lubuntu

I've got a fresh install of Lubuntu 16.04 with dual boot. It worked well the first few times I started it but it doesn t work anymore. I get a black screen after selecting the default choice in GRUB. ...
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0answers
9 views

Display settings too large for monitor in 16. opened display, enlarged launch icons. now too big to see the full screen and I cannot adjust them back

Display settings make the display too large for the monitor. Cannot move down or to the right to get to the slider to change the size.
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9 views

Unable to Keystone Screen

I am trying to keystone a projector. The projector sits about 5 inches above the table and is pointed down at the table at a 45-degree angle. I have tried xrandr. Current Code Here xrandr --output ...
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0answers
76 views

How to menubar/taskbar move bottom position in Ubuntu 16.04?

Menubar/taskbar move bottom position in Ubuntu 16.04.
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58 views

External monitor on Dell xps 13 9350

Once more some odd problems with Ubuntu on the Dell XPS 13 (9350, 2016 model). I got the Dell DA200 adapter (USB-C to HDMI/VGA/Ethernet/USB3.0) to attach an external monitor. I have tested two ...
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0answers
20 views

Suggest me the tools for display testing on Ubuntu [duplicate]

I'd like to test my new Dell monitor but I don't know what the tools should I use for it. I'd like to detect if there are bad pixcels and other color characteristics of the display.
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45 views

Multiple monitors configuration problems

I've decided to finally change my last computer to Linux and it is the only system I have with multiple monitors so I have not had these problems before. I have one monitor and a TV connected to the ...
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0answers
142 views

Add Secondary Monitor (Nvidia 367.27, 16.04, DisplayPort)

The Nvidia driver fails (I've tried 367, 364, 361) when I attach a monitor to the mini displayport. As soon as I do that, the UI changes... I think Unity fails to load given all the fonts change, ...
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0answers
22 views

How can I setup 3 monitors so that 2 & 3 are mirrored?

I have an nVidia GeForce GT 730 & am using the nVidia proprietary driver (361.42) on Ubuntu 16.04. I have 2 monitors & a projector. The first monitor maxes out at 1280x1024. The second monitor ...
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0answers
57 views

connecting external display renders both screen blank

after connecting an external display via HDMI to my laptop it worked fine, except that the display of the laptop was the primary , so if i wanted to play a game it would start on the laptops display . ...
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0answers
8 views

What is the general steps of resolving X-Windows (display) problems in Ubuntu?

When using Ubuntu, the display crashes frequently, especially when using NVIDIA drivers. The phenomenons may be various: low resolution, cannot login, unable to start. So when I meet some of the ...
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1answer
50 views

Lock screen while video keeps playing on second display

it seems impossible to me, but I was just wondering if it's possible to lock the screen (i.e. no one has access to my computer) while the second screen still displays a full-screen video. By default, ...
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0answers
28 views

intermittent display flipping with Thunderbolt 3 dual monitors [closed]

I am running 16.04 on a dell xps 13. The issue occurs when I connect 2 AOC monitors to my startech Thunderbolt 3 to Dual HDMI Adapter. The displays alternate turning on and off for about 5 seconds ad ...
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0answers
17 views

No video signal on newest versions of Mint and Ubuntu

My Specs: i5-4460 GTX970 Gaming 4G Extreme 16GB RAM 1TB HDD I can't seem to establish a video signal using NVIDIAs divers. VGA, DP, DVI - doesn't matter. Tried the proprietary driver as well as open ...
1
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1answer
206 views

How to set the screen resolution in Ubuntu 16.04 64 bit running under VMware workstation 12 player on a Windows 7 host?

I can set the screen resolution manually once I log in using the following command: xrandr -s 1360x768 but I am not able to make it "stick". Every time I log back in, the resolution for a little ...
1
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1answer
46 views

Keep screen rotation after monitor switched on/off

I have Ubuntu 14.04 with auto login to my session and Intel graphics. My goal is to be able to start ubuntu without any screen connected. I also want to rotate left. Actually if I start my DP or ...
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0answers
30 views

Dual Monitor app windows moved after unlock

Locking and unlocking will result in application windows being moved, sometimes to 'disabled' workspaces. Setup: 2 Monitors (HP 22cwa) Workspaces disabled Steps: Put application windows on 2 ...
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0answers
84 views

Cannot control display resolution with 16.04 LTS

I am using HP Pavilion Desktop. Came with Windows 8. I have been using dual boot with ubuntu for about a year without major problems. Recently updated to 16.04 LTS (from 15.10) and at first could not ...
3
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1answer
37 views

setting the default gpu

I have two gpus on my machine: $ lspci | grep VGA 01:00.0 VGA compatible controller: NVIDIA Corporation GM200 [GeForce GTX 980 Ti] (rev a1) 03:00.0 VGA compatible controller: NVIDIA Corporation GF108 ...
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0answers
50 views

Display the 5th to 10th lines of each file whose name ends with .sh [duplicate]

Any on help me on Display the 5th to 10th lines of each file whose name ends with .sh And Another Question(both questions are different not relate with each other) Q2 Redirect the list of all the ...
1
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2answers
39 views

Monitor Flickers after resolution detection

Problem Everything used to be fine until I broke my monitor (LG W2284F : 1680x1050) and I bought a new monitor (LG 25UM65-P: 2560x1080). The Problem is when I try to install Ubuntu or any other ...
2
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1answer
92 views

Problems add a new resolution to monitor(2nd monitor) (16.04 desktop)

I am having trouble adding the correct resolution for my second monitor. Both of my monitors worked fine in windows and I'm not going back :) I am running a single GTX980 with one monitor connected ...
4
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1answer
86 views

Xubuntu 16.04 monitor display no signal after turned off

So I'm using my motherboard's (ASUS Z170-A) HDMI display to out put to my VIZIO 40" 4k TV. Every time I turn my TV off and turn it back on, regardless of time period I get "No Signal." I've done ...
3
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0answers
34 views

Disable laptop monitor when external monitor is plugged in, AND have it persist across reboots

As described in the answers to other questions, I am aware of the "Displays" settings where I can disable my laptop monitor. That works fine. However when I reboot, my laptop monitor is magically re-...
2
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0answers
35 views

bash.bashrc damaged..ubuntu log in loop and no interactive programs working from terminal

I have accidentally deleted the content of /etc/bash.bashrc and now I cannot log in as it gives me a loop and I cannot run any interactive programs from the terminal. When I try, I get this error: ...
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0answers
36 views

OpenGl 3.3 install help

I am using ubuntu 14.04 which is using opengl 3.0 but the game I want to play need opengl 3.3 but I don't know how to install it. Will upgrade to ubuntu 16.04 fix the problem. My computer is an hp ...
1
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1answer
107 views

Laptop mini DisplayPort issue - external monitor does not detect on 16.04

I want to achieve 2560x1440 resolution output from my laptop. I have a Dell XPS 15 (L521X) laptop on Ubuntu 16.04 and I want to output my screen to an external monitor from mini DisplayPort (laptop) ...
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0answers
13 views

How to stop screen from sleeping after I lock my session? [duplicate]

First time posting here, so here goes ... I have Ubuntu 14.04 LTS and the issue I am having is that I want to prevent my screens from fading to black and powering down when I lock my session. ...
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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 ...
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0answers
82 views

Split windows, shifting desktops, and blocked cursors when using multiple monitors

I'm having trouble getting multiple monitors to work correctly on a new machine (Lenovo P50 laptop, Ubuntu-Mate). This is the behavior I'd like to see: Main display switched to external monitor ...
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0answers
38 views

Display not working properly

I have Toshiba 16" laptop with Kubuntu 12.04 installed in it. I am having some display issues like it goes blur while loading Plymouth and the mouse courser blinks all the time. This is the output ...
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2answers
138 views

How to Control Backlight and Set Max Limit Brightness in Display of Ubuntu 16.04?

My Macbook Air 2013 power lasts 1.5 hours with just too bright light. More than 7 hours with normal light (that is 30-40% of the current max) corresponding to my default brightness in OS X where the ...
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0answers
153 views

16.04, Nvidia GTX 950, HDMI: Unknown Display

I just freshly installed 16.04 including all updates. I installed the nvidia-367 drivers which work. Unfortunately, my Asus display that is connected to the Nvidia GTX 950 via HDMI, is not properly ...
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0answers
28 views

Blurry or messed up fonts after forced screen resize

I have an AOC e2727she monitor that I wanted to use with my Dell Inspiron laptop running Ubuntu 16.04. I plug it into my laptop using an HDMI to HDMI cable. When I plug it in, thought,the highest ...
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0answers
20 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 ...
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0answers
895 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 ...
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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
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1answer
163 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 ...