Questions that relate to the electronic display (sometimes called a visual display unit) for computers. Typically questions relate to visual issues such as flickering, resolution, black-screens together with the usage of single and multiple displays.

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0
votes
1answer
16 views

could not switch on monitor configuration

On my asus x553 I have wiped the hard drive to eliminate win 8.2 and installed Ubuntu 14.04. On boot up I get the Error message could not switch on monitor configuation and als ocould not set ...
0
votes
0answers
8 views

Computer won't restore from monitor power saving

When monitor power saving mode is on and the monitor falls asleep, I can't wake it up and have to do a hard shutdown. I've tried pressing keys, moving and clicking the mouse, unplugging and replugging ...
0
votes
0answers
15 views

blinking mouse cursor [closed]

weeks ago I installed Ubuntu on my brother's computer, the following days he told me than his mouse cursor was blinking and he couldn't use it. I have an idea, there was this unknow screen in the ...
2
votes
1answer
45 views

Xubuntu 14.04.3 - Monitors turn of during boot

After installing Xubuntu 14.04.3, I can not boot into the system. Instead, after selecting ubuntu within the grub menu and pressing enter, a few messages are shown and the monitor turns of after ...
0
votes
0answers
29 views

Force screen resolution for monitors using xrandr

I'm using two monitors and one of them is working properly. I have the option to set the screen resolution to 1366x768 (16:9) and is recognized as AOC Intl 19"" (plugged into my HDMI port with an ...
0
votes
0answers
27 views

How to choose monitor resolution that isn't showing up in “Display” Settings dialog

After installing Ubuntu 15.04, I can no longer find my monitor's native resolution in the Display Settings dialog. I can only select the modes "1024x768" and "800x600". How can I fix this?
-1
votes
1answer
28 views

Laptop suspends on shutdown with lid closed

I'm struggling to phrase this question very coherently, but here's what I'm struggling with... I have a Lenovo laptop from a few years ago. Recently, I put ubuntu on it. As it stands right now, I've ...
0
votes
0answers
38 views

Black border with Ubuntu 14.04 on Raspberry Pi 2 Model B

As the title states, I'm getting a black border on my screen running Ubuntu 14.04 on a Raspberry Pi 2 Model B. I've tried modifying the /boot/config.txt file and tweaking/disabling the overscan, as ...
0
votes
0answers
9 views

High resolutin but 'empty' spaces on the monitor

I'm using Ubuntu 15.04 on my new notebook. I tried to change my screen display resolution to make it fit all the screen but I don't know why even if I set the high resolution possible I still can see ...
0
votes
0answers
14 views

Why won't my monitor get a signal after bringing PC out of suspend?

Every time I suspend my PC and then press the power button to start it up again, my monitor remains dark though the PC is running. Why is this?
0
votes
0answers
42 views

2nd monitor detected but no signal

Beginner here,(Ubuntu 12.04.1LTS) Currently this is my setup- 1.Vga - vga (1st monitor). 2.Hdmi to Vga converter - vga (2nd monitor). 3.HD4870 with fglrx drivers. After i connected my ...
0
votes
0answers
43 views

Can't disable automatic mirror display

I just plugged an external display and the system detected it automatically. However, the two monitors display the same and when I go to Display preferences, it looks like it wasn't detecting any ...
0
votes
1answer
38 views

Monitor goes black

Just installed 14.04 on my computer and after I solved my core-heating-problem, the new problem is that after 1 minute on desktop, either doing things or not - the monitor goes black.. No time to ...
1
vote
0answers
37 views

Second external monitor connected but screen is black Ubuntu 14.04

I have a strange problem with my second external monitor. It won't wake up automatically when my laptop starts, or when the laptop wakes up from standby or sleep mode. It will be on if I manually ...
0
votes
0answers
21 views

intel-virtual-output -f XIO fatal error

After a fresh installation of ubuntu 15.04 i've updated the packages. And whenever i try to run intel-virtual-output -f it give me :- XIO: fatal IO error 11 (Resource temporarily unavailable) on X ...
0
votes
0answers
48 views

XB240H Abprz (144hz, 1080p, GSync) only running at 60hz without GSync! Solution?

I run Ubuntu GNOME 14.04 Trusty Tahr with a GTX970, 4790k, 16gb DDR31866, etc. I have the XB240H 24 inch, and it is running at 60hz. The on-board monitor options do not let me modify this, and when I ...
0
votes
0answers
45 views

Grub acting up, and monitor resolution not detected - Ubuntu 14.04 Gnome

I've been having a lot of trouble with this lately and wanted to check if anyone here had a solution. I installed Ubuntu GNOME 14.04 on my secondary drive, but now when I boot up I get into the GRUB ...
0
votes
0answers
25 views

Ubuntu Gnome 14.04.2 not detecting my monitors resolution [duplicate]

I just installed Ubuntu Gnome 14.04 LTS on my gaming/design machine! (Specs: i7 4790k; Strix 970; MSI G45-z97;) and when I go into my display settings it says I'm using a built-in display and will ...
1
vote
1answer
28 views

How come I don't see grub every time I boot? [duplicate]

I have noticed that when grub boots up I don't get a black screen on my monitor. I want to make it so that it will show every time I boot, not just when I turn it off manually and then turn it on ...
0
votes
1answer
62 views

Lubuntu boot: no signal once in two

I have a strange problem with a fresh installation of Lubuntu 15.04 (Ubuntu 11.04 was ok). Sometimes when I boot the computer the monitor goes in "No DVI signal" mode right after grub selection. ...
0
votes
0answers
13 views

Screen scaling corruption after error dialog

I got an old laptop (Lenovo X300) someone was throwing out and decided to put Ubuntu on it. I haven't messed with Linux much since the Redhat 6 days. Periodically, an error dialog pops up saying an ...
0
votes
0answers
17 views

Can't find monitor type on MacBook Pro - 14.04

Having some serious issues locating the name of my monitor for use in the command iw wlan0 interface add mon0 type monitor. I have the Mid-2014 MacBook Pro, also known as version 11.1. I'm running ...
0
votes
0answers
25 views

mac mini 2014 monitor wake up issue

My 2014 ubuntufied macmini wakes up from sleep but the monitor doesnt. i guess the mini is missing out sending a signal to it. i had the same issue in osx but after the latest update that went away ...
0
votes
1answer
49 views

Refresh rate won't accep 120 hz

I can't get my monitor to set the refresh to 120hz. I'm using an nvidia gtx 970. The outputs are below (I'm using a 120 hz monitor & I was able to set it to 120hz in Ubuntu 15.04 when using an AMD ...
1
vote
1answer
50 views

Monitor showing as DVI although plugged in as VGA

Recently I had my computer upgraded because I was having problems getting Ubuntu 14.04 to work. I now have more than the min requirements but am still having trouble getting the graphics to work once ...
1
vote
0answers
28 views

I have a “Element” brand monitor and the driver show up unknown

Have the latest 14.04 Ubuntu with a GeForce 7600GS video card. I have downloaded the latest Nvidia 304.125 from Nvidia 304 open source. I have a "Element" monitor. My display shows up as unknown. ...
0
votes
0answers
136 views

HDMI Screen doesn't wake up (no input) after sleep or computer locked

When I put computer to sleep, or computer is locked and screen turns off, I am trying to wake up computer, computer powers on, but my HDMI monitor wont turn off. I have to manualy restart my PC ...
0
votes
0answers
64 views

Portait Display error in 15.04

I have two displays - one in landscape (via display port), one in portrait (via VGA). For some reason the monitor in portrait mode only uses just over half the screen. Changing the Display/vga ...
0
votes
0answers
467 views

Can't get my native screen resolution on 15.04

I installed Ubuntu 15.04 after using Windows 8.1 for some time. Now, my main problems is, that I can't get my native screen resolution which is 1440x900 :/ On Windows I could do it without any ...
0
votes
0answers
109 views

How to calibrate monitor in Ubuntu Mate

Question: How can I calibrate my monitor in Ubuntu Mate without extra hardware? Details: I have installed gnome-color-manager but no gui is available and I can't find an ICC profile file for my ...
2
votes
1answer
55 views

Screen has broken color set after a while - Ubuntu 14.04

After a while of no activity the screen locks, but when I log in the screen looks like this: :D I am sure it is something with the software, not the hardware as I have never experienced similar ...
0
votes
0answers
20 views

Laptop monitor loses connection and cannot reconnect

I have bought a Lenovo Y40, and it seems to be having a problem with the flex in the lid hinges. The issue is that sometimes when I move the lid in some direction, it shows wired black and white ...
0
votes
0answers
60 views

Possible to add an additional a 4K 60hz monitor on Trusty Tahr?

I have a 1920x1080 and a 1920x1200 monitor on my current Ubuntu 14.04 setup, and I'm thinking of adding a 3rd monitor as my main, preferably a 4K screen at 60hz such as the Dell P2715Q Have you guys ...
0
votes
0answers
71 views

Widescreen problems on 14.04 lts

I'm having trouble with setting up my widescreen monitor for Ubuntu. Mine is running normally (and when it blacks out due to different reasons it displays it as native) on the 1366x768 resolution. The ...
0
votes
2answers
43 views

How can I tell ubuntu to use only the external monitor?

I use ubuntu 14 with an external monitor. It seems there is some problem with the internal graphics so I want to tell ubuntu to use only the external monitor which is connected with hdmi. How can it ...
4
votes
1answer
213 views

Spyder5 Monitor Calibration Ubuntu 14.04

I tried to get the Spyder5Express running under Ubuntu 14.04. Installed is dispcalGUI and the Argyll_V1.7.0 software. Unfortunately the device is neither detected in the GUI nor in the Terminal. I ...
5
votes
1answer
105 views

Why isn't Gnome Color applying my color profile?

I'm trying to use the Gnome Color (default Color app in /usr/bin/gnome-control-center.real color) to manage my laptop's color profile. However, only some of the color profile actually change the ...
1
vote
0answers
55 views

How To Increase Screen Resolution?

I have a 1600x900 monitor attached to a 1280x768 laptop, only the latter resolution is available, how do i increase it to my monitor's max resolution? the xrandr result is: Screen 0: minimum 8 x 8, ...
1
vote
1answer
200 views

External monitor is disabled after resume (only on 15.04)

I recently installed ubuntu 15.04 and most things just work out of the box, awesome! But there is on annoying thing: I have an external screen connected to my machine (T450s, via docking station) and ...
1
vote
1answer
115 views

Dual Monitors Stayed Mirrored

I am running a T450 with Intel HD Graphics 5500 with Ubuntu 14.04 LTS. I am also using a Lenovo Ultra Dock that supports a DVI input and a VGA input. Whenever I connect two monitors to both the DVI ...
1
vote
0answers
60 views

I cannot see my menus or apps in ubuntu 15.04 [closed]

This occurred after having my ASUS connected to external monitor which is often problematic.
0
votes
0answers
66 views

drivers for HP U160 USB monitor

Somebody know if exists a driver for HP U160 USB monitor ? I've used this monitor as secondary in windows but now that I changed my OS to Kubuntu 14.04 I'm not able to configure and use it.
1
vote
0answers
119 views

Display color calibration error “unknown calibration display type selection”

Fresh installation of Ubuntu 15.04. Running Settings-Color-Calibrate Have "Eye-one display 2" sensor connected and working. Getting the message during step be step calibration configuration: ...
9
votes
1answer
170 views

15.04: Launching some programs turns monitor off and on (like for a resolution change)

I just upgraded from 14.10 to 15.04 and one of the first things I noticed is that the monitor often behaves like it was changing the resolution (a click sound from inside the monitor, black screen, ...
1
vote
0answers
38 views

how to stop automoving opened windows when second monitor connected in ubuntu 14.04?

I am running Ubuntu 14.04 on my notebook and when i connect external monitor if it has "left" position configured, all opened windows move to external monitor, if external monitor has "right" position ...
1
vote
0answers
1k views

Resolution Scaling on 4k Laptop

I've tried following directions at https://wiki.archlinux.org/index.php/HiDPI and http://www.makeuseof.com/tag/linux-hidpi-support-for-gnome-kde-xfce-cinnamon-and-firefox/ to make my Ubuntu ...
1
vote
0answers
27 views

Having two x-servers although booting with second monitor turned off (and turned on later)

I'm using a GT 730 chip with two monitors - LCD on DVI and TV on HDMI. The LCD is the main monitor and it is used all the time for work and browsing. The TV is used occasionally, for movies, so it is ...
2
votes
2answers
322 views

Ubuntu 14.04 with unrecognized monitor (or without monitor) - boot problem

I've Ubuntu 14.04 installed on my computer. I need to start it even if not any monitor is plugged. Basically I need to do that because at the startup my monitor isn't recognized but plugged in. ...
1
vote
0answers
112 views

Dual monitor with single motherboard (VGA and HDMI) black fews second when select “System Settings” in menu bar

I had single motherboard to use dual monitor WITHOUT additional graphic card. One monitor export VGA and another monitor export HDMI. It perform normal but only when selecting "System Settings". ...
0
votes
0answers
81 views

When remote user connnects through teamviewer monitor turns off

When someone connects to me through Teamviewer my display turns off. I have tried reinstalling the Teamviewer but it doesn't work. I thought it might get fixed after upgrading the Ubuntu from 12.04 to ...