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

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How to completely reset xrandr

Is there any command which completely resets all settings of xrandr? I have checked this and this but the command xrandr -s 0 does not reset brightness.
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1answer
76 views

understanding details of xrandr

while exploring different possibilities of my monitor with different resolutions I have been using xrandr. I wish to know what one of the outputted data of xrandr means. In the following example I ...
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1answer
3k 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 ...
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47 views

HDMI screen gives “no signal” but VNC screen shows window manager correctly

My Ubuntu 12.04 kernel is running perfectly fine and even the desktop shows in all its glory when I connect via a VNC client from my Mac. It even recognizes my HDMI monitor that is physically plugged ...
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145 views

Dual Monitor - Side by side not working!

Before you guys do a search and claim this is a duplicate of any other question, don't bother! I've been through them all! I've tried everything I could find! Okay, so the problem is I can't set my ...
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1answer
2k views

Ubuntu 16.04 Dual monitor doesn't work after booting

I've done a Ubuntu 16.04 fresh installation and now my dual monitors doesn't work after booting. This is what happens during booting: 1) When I boot the main monitor works and asks for my HD ...
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1answer
155 views

How to reset Display and Monitor > Display Configuration > Scale Display

On upgrading to 16.04 from 15.10, my font size was tiny. Somewhere I found the suggestion to go to: System Settings > Display and Monitor > Display Configuration > Scale Display And change the ...
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20 views

16.04 - resolution change breaks up the display [duplicate]

I'm running a Virtualbox VM with Ubuntu. I've installed virtualbox-guest-dkms and the guest additions to automatically change the resolution every time that I change the size of the virtual box. This ...
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1answer
240 views

Tears in chrome after upgrading from 15.10 to 16.04

I recently updated Ubuntu from 15.10 to 16.04 and right after, I started noticing tears in viewing webpages in chromium (and nowhere else). I tried googling the problem but couldn't find anything. ...
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96 views

Two monitors - primary, secondary?

I use Ubuntu 16.04 LTS and to motherboard (GA-Z170-D3H with Intel HD Graphic 530) I have connected two monitors. First (primary) on DVI and second (secondary) on VGA output. Secondary monitor I can ...
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0answers
330 views

Ubuntu 16.04 Display Problem

I upgraded 15.10 to 16.04 without seeing the warnings that AMD Proprietary drivers will no longer work. The upgrade proceeded normally, however, my screen is at 1400 X 1050 (4:3) and the display ...
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65 views

Dual Monitors - Mirrored Displays and disabled Wi-Fi until Reboot?

Update: There are related posts with dual monitor issues e. g. Multi display issue with Ubuntu GNOME 14.04 - Still, there are two points that make this question different: Wireless feature is ...
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2answers
540 views

How to set Display Resolution while having to use “NOMODESET” on boot

I have a Samsung laptop with a Radeon graphics chip. Live-Images and graphical installation have always worked on this laptop with the proper resolution of 1366x768. However, after Ubuntu had been ...
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0answers
278 views

Driver/Resolution Problem Makes MATE 16.04 Useless

Just installed ubuntu mate 16.04 64-bit. Have screen resolution set as 1600x1200, which produces temporarily workable but distorted screen images. Native resolution is 1920x1080, but selecting that ...
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0answers
127 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 ...
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0answers
849 views

Dual display not working after 16.04 upgrade

I recently upgraded from 15.10 to 16.04 via dist-upgrade. Immediately afterwards, my second monitor stopped working. I am using an AMD 7850 APU, and both monitors are plugged in to the motherboard - ...
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0answers
114 views

Display blurry during and after 16.04 install

Long-term user cannot install 16.04 for the above reason - display blurry and out of focus during and after install. 15.10 fine in all flavors. No flavor OK in 16.04. Intel integrated graphics. !5-...
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0answers
273 views

Can't change multi monitor display positions in Ubuntu 16.04

I've just done a fresh install of Ubuntu 16.04 and most things are working great :) However, I have a 3 monitor setup and I'm not able to adjust the relative positions of the displays. If I try and ...
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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: ...
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1answer
73 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 ...
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1answer
94 views

Ubuntu 14.04 updated last night - HDMI video stopped working

Ubuntu 14.04 with an integrated Intel graphics card that has worked for 6 months connected only to a Samsung TV via HDMI. Software update ran last night, installed some new packages. After rebooting,...
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0answers
65 views

screen size - resolution in ubuntu 14.04

screenshot of the working ubuntu OS, cut in the half and cannot move to right or left Hello to all, I am a newbie here, actually this is my very first question on this platform. I tried ...
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5 views

Symantic dialogs too high — how to fix?

I've a laptop with a display roughly 768 pixels high. I'm using symantic to edit my sources and sometimes it doesn't like something. Its error dialog is sized from the top of my display to below the ...
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0answers
76 views

Display settings do not show correct resolution options for secondary display

I currently have installed Ubuntu 15.10 on an Acer Aspire E1-510 laptop with an Acer X223w as a secondary monitor. The graphics card is an Intel Bay Trail. The laptop resolution is fine but the ...
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1answer
143 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 ...
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0answers
20 views

Ubuntu 15.10 detects a not-present display in monitor settings

I have an Asus K53SC that has Ubuntu 15.10 installed, and in monitor settings it detects a not really present second monitor called Unknown Display. Sometimes it enabled automatically itself, and I ...
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0answers
19 views

My Display doesn't cover my entire screen

I had a problem with my Nvidia gpu and I removed it. I really need to reinstall it for recording my game and when I did it launched using only a small portion of my screen. Also when launching OBS it ...
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0answers
9 views

Accidentally scaled everything 12x, now whenever I click on terminal and type in enlarged view it logs me out

Basically, every time I log in to my computer the UI is MASSIVE (15 inch display), and so I figured I could just open terminal and reset the setting, right? Well every time I click or type with ...
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1answer
138 views

Xubuntu save multi monitor config

I've a multi-monitor-setup with 2 screens (3 with the notebook T460s itself) on xubuntu 16.04 at a DP KVM-Switch. The notebook is connected via the Dock-3 Docking Station over 2 DP-Ports. Every time ...
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1answer
60 views

How can I have 2 applications on 2 different displays in Ubuntu?

I have an external display connected to my laptop. How can I have the external display show a different application than the one shown on the builtin display? I have disabled mirror display but ...
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1answer
61 views

Changing icon and text sizes (and toggling) for visually handicapped

I need to temporarily make everything larger: icons, text, etc. while I cope with a temporary visual problem. Is there an easy way to toggle between normal resolution and "large-print", if you will? (...
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0answers
48 views

HDMI display not detected in nvidia Geforce 9300 GS

I just installed Ubuntu in my Sony Vaio VGN-Z31XN with nVidia GeForce 9300 GS. When i tried to connect it to my Samsung television through the HDMI cable, it seems that the laptop can't seem to ...
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0answers
14 views

Ubuntu Settings - Displays not launching

I have Ubuntu 15.10 and I want to have split screens. However, when I click "Displays" in Settings, the Settings app crashes. I tested all other icons, and they work perfectly. Why is my Display buggy?...
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1answer
72 views

Ubuntu 14.04 dispaly resolution problem

I am using Ubuntu for quite a while now. Just scrolling through the display settings I noticed that the screen resolution only gives me two options 1024x768 and 800x600 in a 4:3 aspect ratio while my ...
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1answer
49 views

Changing screen resolution on Dell Inspiron

I just installed the latest Ubuntu desktop onto a Dell Inspiron 1000 laptop and I cannot change the screen resolution any higher than VGA using the built-in monitor. any help would be appreciated ...
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0answers
198 views

Thunderbolt Hotplug on 15.10

So, I have a Macbook Pro 15" (11,3 I believe), and I've installed 15.10 and everything seems to be working except thunderbolt hotplugging of the display. The other things that work over thunderbolt (...
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0answers
30 views

Ubuntu 14.04 two screens but separately X session

I have a Skylake i7 that has a onboard video card that have VGA, DVI and HDMI outputs. If I connect a monitor to HDMI and one to DVI or VGA only one X display is created ( DISPLAY :0 ). How can I ...
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2answers
102 views

Can't change brightness

I tryed ubuntu 14.04 and 15.10, but I can't change the brightness. It is always on maximum.
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0answers
23 views

Is it possible to set mirror screen to 16:9?

My question is exactly the same as this question, except that I would like to know the solution for Ubuntu 14.04 instead of 13.10. I've an external Samsung S24E391HL 24- Inch monitor plugged into my ...
2
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1answer
207 views

How do I save my new resolution setting with xrandr?

I found somewhere in a forum the solve to a problem where the only resolutions available were 800x600 and 1024x768. I managed to get 1440x900, which works very well. Every time I reboot, it disappears....
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0answers
33 views

System Settings > Displays doesn't work

I just installed Ubuntu on my new pc. It works, but the screen resolution hasn't adapted to my 29" widescreen. When I try to change it in System Settings, the entire System Settings window simply ...
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0answers
30 views

Ubuntu 15.1: Unknown Display; Proprietary driver fails to boot; No Audio

I am running ubuntu 15.10 on my computer with a Radeon R7 260x Everything was running perfectly fine, until, after a repartition went bad, I had to re-install ubuntu. Since the reinstall, I am having ...
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0answers
20 views

Laptop Monitor not turning on with two external monitors

I have a Dell Inspiron N7010 set up with two external monitors. System Settings Details The problem I'm facing is I cannot get the laptop monitor as well as my two external monitors to all turn on ...
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0answers
92 views

Why chinese characters can be displayed in LXTerminal not in Root Terminal?

The desktop in my pc is lxde.I found that chinese character can be displayed in LXTerminal when to login with common user and chinese character can not be displayed in Root Terminal when to login ...
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0answers
16 views

3rd screen remains disabled

am trying to display Ubuntu 14.04 on three displays but whichever display I set or move one of them always remains disabled. Tried downloading/installing the following but still have the same issue: ...
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0answers
91 views

How to set proper resolution for second monitor

I have two monitors Acer K242HL but I am unable to set the second monitor (VGA) to the native resolution 1920x1080. This resolution doesn't appear in the Settings > Display menu and the monitor is ...
0
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0answers
18 views

High Resolution, Icon size all the same

My resolution is ~1900 x ~1600 on a 27" display, yet the size of all the icons and text is very large--like it is sized for a high resolution 12" laptop screen. How do I adjust the size of all the ...
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1answer
53 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. ...
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0answers
38 views

Ubuntu 14.04 Connect an External Monitor

When i connect my laptop with external monitor, the monitor not detect my laptop display, how to enable it? i once uninstall unknown display at the first i install ubuntu because it makes my cursor ...
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1answer
87 views

Set “default” monitor

I would like to be able to set my "default" monitor to be my external 25' monitor instead of my laptop one when I have my external monitor connected. Many applications always open on the laptops ...