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

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9 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 ...
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0answers
18 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 ...
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20 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 ...
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0answers
20 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 ...
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2answers
613 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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0answers
7 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 ...
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0answers
10 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 ...
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89 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 ...
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1answer
114 views

Connecting Second Monitor to Laptop via VGA Cable - Screen detected, but screen says no signal

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 ...
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1answer
75 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
18 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 ...
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15 views

Can't get Samsung 27" monitor to get proper resolution

I'm pretty much a complete Linux/Ubuntu noob, so I'm sorry if this is a stupid question. That having been said, I've got an older Samsung 27" monitor (60 hz) which is capable of 1920x1080 ...
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0answers
6 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 ...
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0answers
100 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 ...
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0answers
22 views

Rapid flickering lines and blinking screen on 14.04 desktop [on hold]

Starting yesterday, I've been seeing these rapidly flickering lines on my Ubuntu desktop. Each one is maybe 1-3" long and a random assortment of colors, like a block of a single row of pixels randomly ...
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0answers
231 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 ...
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0answers
18 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 ...
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0answers
48 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 ...
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0answers
94 views

Cannot Mirror Display to HDTV

I am not able to mirror my laptops display to the HDTV, I am using a HDMI cable, Initially i tried connecting the HDMI cable after ubuntu had loaded. It didnt work. Then i tried connecting the HDMI ...
0
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1answer
18 views

Zoomed in display in Virtualbox

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
60 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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1answer
74 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 ...
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0answers
9 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 ...
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0answers
100 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 ...
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1answer
61 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 ...
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54 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 ...
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2answers
288 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 ...
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0answers
255 views

display problems after upgraded to 15.10

After I upgraded to 15.10 I have problems with the display. It seems like the background/wallpapaer is not refresh. If I drag an icon it will have tail. Opening an application (like web browser) and ...
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0answers
27 views

When the “Mirror displays” Did you wake up any action ? (Command line)

I have installed Ubuntu 16.04 on my laptop(Samsung NT530U3C-A54). It was connected to the monitor using the HDMI cable. "Mirror displays" the check was possible to use only the Three resolution ...
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0answers
28 views

16.04 Will not Boot to Desktop- Flashing Error message

I installed Ubuntu 16.04 on a Skylake system with an Nvidia Card 964 or something like that. The Nvidia driver issue from 14.04 and 15.04 is not the same behavior as this - The desktop kept flashing ...
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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 ...
13
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3answers
35k views

Using Intel Wireless Display (WiDi) in Ubuntu

My Thinkpad X1 Carbon apparently supports Intel WiDi. I believe this should, in theory, allow me to share my screen with my Sony Bravia TV which supports Miracast. Is it possible to make use of ...
0
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1answer
51 views

Artificially increase maximum screen brightness

I have my laptop set to maximum brightness, but it's not bright enough. Is it possible to somehow make it brighter?
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0answers
29 views

How do you detect physical screen flip on a 2-in-1 Notebook?

Making the display flip is pretty straight forward. I detected that on my Dell Inspiron 15-7568 I have the following setup: $ xrandr -q Screen 0: minimum 8 x 8, current 3840 x 2160, maximum 32767 x ...
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0answers
27 views

Ubuntu 14.04 wallpaper is low resolution after login

I have a Dell XPS13 with an Intel5500 graphics, it came native with ubuntu 14.04. The following problem with the wallpaper occurs since I had an external TV connected via HDMI (set in mirror; TV had a ...
0
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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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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 ...
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0answers
19 views

Display turn on automatically after time out

Display auto time out after the given time. Even when locking Ubuntu, automatically fading and turn off the display. But after couple of seconds display automatically turn on without mouse or keyboard ...
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0answers
21 views

Display enters power saving mode after boot splash screen trying to install Ubuntu 16.04

I am trying to install Ubuntu 16.04 on two computers. Both have similar AMD APUs (w/built-in AMD Radeon) and boot in CSM mode, not UEFI. Both are new installations, not upgrades. The first one went ...
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0answers
41 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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1answer
45 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 ...
2
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2answers
212 views

Stuck at 800x600 display resolution Ubuntu 14

After dual booting Win 10/Ubuntu 14, Windows displays at 1366 x 768 with 10 display modes available. Ubuntu has no options other than a "built-in" 800 x 600 low res output. The driver is the latest ...
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0answers
13 views

Acer Aspire E5-571 Display Driver

How do I install the correct display/graphics drivers for my Acer Aspire E5-571 laptop? The most things seems to display correctly and the resolution is the same as when I had Windows 10 installed on ...
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0answers
20 views

Ubuntu 14.04 : Corrupted text and images

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 blurry ...
2
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0answers
55 views

Monitor says “No Signal” on 90% of boot-ups

9 out of 10 times when I boot-up my computer, my monitor hangs on DisplayPort: No Signal When it does work (10% of boot-ups), it works absolutely perfect for as long the computer is on. I am ...
2
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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
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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 ...
0
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1answer
52 views

Xubuntu 16.04 usb display second screen / projector

Specs Asus 102ba notebook - dual boot Benq joybee gp2 - projector I've just recently installed Xubuntu 16.04 on my notebook so far everything is up and working great. I'm just having some issues ...
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0answers
27 views

weird characters appearing

There are some really weird characters appearing in terminal and file names. The characters are all scrambled. it is impossible to work!
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1answer
16 views

Remove extra space in virtual display

I am using two monitors and when moving the mouse from one to the other it disappears somewhere in the middle for a while. There is some virtual space between both monitors. I am using xfce. xrandr: ...