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

1
vote
0answers
7 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=...
1
vote
0answers
17 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 ...
1
vote
0answers
12 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 ...
0
votes
1answer
33 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 ...
0
votes
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 ...
0
votes
0answers
24 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 ...
2
votes
2answers
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 ...
1
vote
1answer
27 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 ...
0
votes
0answers
12 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. ...
1
vote
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 ...
0
votes
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 ...
1
vote
2answers
9k 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
1answer
461 views

Getting 2560x1600 resolution from Apple 30" Cinema Display

tl,dr: How do I get the 2560x1600 @60fps resolution from my Apple 30" Cinema Display? Edited: Startech.com confirms the HDMI-to-DVI-D adaptor is dual channel. I don't have enough reputation to give ...
4
votes
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 ...
2
votes
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. ...
0
votes
1answer
27 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 ...
2
votes
0answers
94 views

Set primary monitor on 16.04

All windows opens on left monitor and all new files gets saved there, I want my right monitor as my primary monitor so all this happens there. As the picture below shows I have set the launcher on my ...
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
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 ...
0
votes
0answers
7 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
0answers
75 views
1
vote
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 ...
0
votes
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 . ...
0
votes
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.
0
votes
0answers
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 ...
1
vote
0answers
139 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
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 ...
1
vote
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 ...
1
vote
1answer
104 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
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 ...
2
votes
1answer
90 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
554 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
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 ...
2
votes
1answer
48 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
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 ...
1
vote
1answer
205 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
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 ...
1
vote
2answers
222 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
83 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
36 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
137 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
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 ...
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 ...
3
votes
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-...