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

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6
votes
3answers
7k views

Missing letters in menus and folder names

The names of my folders and the menus are not displayed correctly (even the tabs names in firefox). A lot of letters are missing. When cross over with the mouse pointer, part of them are correctly ...
0
votes
0answers
34 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 ...
1
vote
1answer
14 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. ...
0
votes
0answers
5 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.
0
votes
0answers
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 ...
-1
votes
1answer
50 views
1
vote
2answers
34 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 ...
0
votes
0answers
53 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 . ...
0
votes
0answers
19 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.
0
votes
0answers
32 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 ...
0
votes
0answers
69 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, ...
0
votes
0answers
13 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 ...
1
vote
1answer
41 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 ...
1
vote
1answer
83 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) ...
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 ...
0
votes
0answers
79 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 ...
2
votes
1answer
80 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 ...
1
vote
1answer
551 views

Display unknown after nvidia driver update, resolution stuck at 800x600

I am currently running Ubuntu Gnome 15.04 I just installed the proprietary nvidia driver version 346 to resolve issues with another application and restarted my desktop to find that my main monitor 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 ...
0
votes
0answers
7 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 ...
2
votes
1answer
46 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, ...
0
votes
0answers
22 views

intermittent display flipping with Thunderbolt 3 dual monitors [on hold]

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 ...
1
vote
1answer
160 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 ...
0
votes
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 ...
0
votes
0answers
28 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 ...
1
vote
2answers
199 views

Getting native resolution on Ubuntu 16.04

EDIT: I Managed to get 1080p working after using 1920 1080 59 instead of 60 :) I have a 22 inch LCD TV connected to my PC (IntelHD 4400 graphics) via VGA a cable. On windows the TV works fine on ...
1
vote
1answer
49 views

Display problem on second monitor

The desktop and every window is like 1" off the screen on every side of it, windows controls, menus, desktop panels are all outside the screen. I tried xrandr but i was only able to make it worse. ...
1
vote
0answers
67 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 ...
-4
votes
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 ...
3
votes
1answer
32 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 ...
3
votes
2answers
129 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 ...
0
votes
0answers
33 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 ...
2
votes
2answers
5k views

Is this a dual monitor reset bug?

My two displays are: Intel GMA x4500 Laptop (1280x800 native resolution of the built-in display) External display (1920x1080) A few minutes after I login to my dual monitor setup, it gets reset to ...
2
votes
0answers
54 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
votes
0answers
32 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-...
3
votes
2answers
7k views

Turn off laptop display and have monitor

My laptop display has stopped working and is unfixable! Anyway, I got a full HD monitor and plugged that into the HDMI port of the laptop. I have changed the power settings so that I can close the ...
2
votes
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: ...
0
votes
1answer
19 views

How to fix xrandr scaling

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 ...
0
votes
1answer
118 views

How to correctly patch xrandr to resolve the scaling bug?

I have the xrandr scaling bug described in: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/883319 (In short: I have a HiDPI laptop + an external monitor. When connected, the external ...
1
vote
0answers
130 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 ...
0
votes
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. ...
5
votes
5answers
7k views

Dual Monitor not recognized in Xubuntu 14.04

I have a Dell Latitude Laptop E6440. The laptop have two in4terfaces, VGA and HDMI. I connect an external monitor to the VGA port, but when I ran the xfce4-display-settings I see only one monitor (the ...
1
vote
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 ...
0
votes
1answer
189 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
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
votes
1answer
41 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
votes
2answers
104 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
23 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. When I plug it in, thought,the highest resolution available is 1024x768 at 60.00 Hz. I followed ...
2
votes
1answer
3k 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 ...