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

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2answers
140 views

How do I setup another monitor with Ubuntu VM (virtualbox)?

I am running Windows 7 host, Ubuntu guest inside of Virtualbox. I have installed guest additions, but when I go to display settings it stills says Unknown Display and doesn't let me add another ...
0
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0answers
225 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 ...
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0answers
16 views

Display Setting changes in a loop with every keypress after resuming from suspend

This problem usually happens after resuming from suspend: With every keypress the system by itself changes the display setting. With a dual display setup (laptop + monitor) the settings change in a ...
0
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1answer
586 views

How do I set new screen resolution for a headless server (using teamviewer 10 )

I have done a lot of Googling and I can't make sense of all the information. I want to remotely operate a Lubuntu 14.04 machine from another of the same type. The remote machine has no monitor ...
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0answers
87 views

xcalib is not working on ubuntu 14.04

I installed xcalib using: sudo apt-get install xcalib Then I could invert color using: xcalib -i -a However after I restarted my computer this is not working. Why? I tried removing xcalib using ...
2
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1answer
117 views

How do I prevent the cursor from going to a monitor that is turned off?

I have a laptop which I connect to an external screen through HDMI, under Kubuntu 15.04. I have this external screen set to be the main screen, and the laptop screen set to turn off when I close the ...
0
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1answer
107 views

Ubuntu has wrong resolution and won't let me change it

Ubuntu 15.04 x64 gives me 800x600 when my screen can output 1600x900. I went into my display settings and there was only one option. Anything I can do to fix it? lspci -k | grep -EA2 'VGA|3D' ...
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0answers
113 views

HDMI ubuntu to Sony TV unsupported signal

I have a Toshiba Netbook NB510, I used to connect it via HDMI to my Sony Screen to watch movies and such on Windows 7, no problems whatsoever. And then I changed it for Linux mint, and it had some ...
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0answers
33 views

Distorted Home Folder Display

I am using 14.04.3 LTS. Whenever I open my home folder for the first time after my laptop has booted I get the following distorted display, which becomes normal after few moments. How can I fix this? ...
2
votes
1answer
38 views

How do I set up an old but Fancy CRT with Ubuntu?

My best monitor is still an old CRT, a SAMSUNG SyncMaster 900p, still working, will do resolutions up to 2048x1536 and 1920x1080 (yes it also does widescreen with a little fiddling) when hooked to a ...
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0answers
56 views

my screen keeps scrolling vertically up-down without any user action

My screen (firefox, krusader, gedit, document viewer, libreoffice, etc) keeps scrolling vertically up-down without any user action Desktop motherboard EG45M-DS2H Intel® Core™2 Duo Graphics Intel® ...
1
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2answers
43 views

Strange visual corruption adding another monitor

I've been struggling to solve this for a few hours now. I have a workstation running ubuntu 14.04 and I've installed openbox and I log in using that by default. I have two nvidia quadro k2000 gpu's ...
1
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1answer
16 views

What are the software bits involved in display settings change I plug a new display

So, the question is almost in the title: what is the process that makes my display settings change automatically when I plug an external display to my laptop ?
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0answers
93 views

Is there a Virtualbox setextradata command for Ubuntu?

Ubuntu 15.04 with the latest Virtualbox 5.0.4. Ever since updating Virtualbox, the Windows8 client has a lower than wanted screen resolution. Guest additions (v5.0.4) installed on Windows8 Manually ...
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0answers
15 views

Multi screen : one of them is blurry after reboot

I have to screens of different sizes (23" and 19") pluged with DVI (23") and VGA (19") to my "VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller" ...
1
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0answers
23 views

Monitor not recognized after Nvidia (Cuda)

I installed Nvidia drivers and CUDA drivers to run a GTX970 for mining ethereum (cryptocurrency) on my Ubuntu 14.04 installation. Everything went well. After removing the GPU a couple of weeks later ...
0
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0answers
32 views

Ubuntu 14.04 LTS display shows only upper left area [duplicate]

Running Ubuntu 14.04 in VM on a Win7 machine. It boots to the graphical interface that has a resolution of 640 X 480 4:3. I am unable to re-size to see the rest of the page and the horizontal scroll ...
1
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0answers
45 views

Stop programs and games from opening by default on secondary monitor?

I have a two monitor setup, one DVI (secondary) and one HDMI (main). My main monitor is in front of me and runs in 1080p, while my secondary is to the left and only runs in 900p. A common problem I've ...
2
votes
1answer
52 views

Display options question

My display is a Sony xbr-x850b, which supposedly has a resolution of 3840x2160 at 16:9, but in Ubuntu Settings > Displays there's an option to display 4096x2160 at 9:5. Does this mean my TV is ...
0
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0answers
63 views

outputing 4k@60hz on UB15.04

After setting up the OS with a normal display because it was flickering I changed to the Nvidia 346.59drivers(nvidia-346-updates, I have a Gtx970). I plugged in the 4k TV but the refresh rate was off ...
1
vote
2answers
90 views

How can I make my left/right monitor configuration stick after a restart

Every time I start my PC, my leftmost monitor is configured to be my rightmost one. It works fine after I change it in display settings. However, whenever I restart my PC, they're back to the wrong ...
1
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0answers
26 views

Why don't remember brightness (U14.04, Samsung Ativ book 9 lite)

Why Ubuntu doesn't remember the screen brightness ? Whenever I turn it on, it always returns to the max, even if I set on settings. Thanks in advance
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0answers
137 views

Unknown Display trying to connect external Monitor to Laptop via Mini-DisplayPort

I got a new laptop with an Nvidia GTX 970 + integrated Intel Graphics and got an Acer XB280HK Monitor with Gsync for optimal viewing pleasure. On Win10 everything works fine (dual boot). However if I ...
0
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1answer
89 views

I can't seem to find the right resolution for my computer 1280x720 is too big and 1024x768 isn't full screen

I just installed ubuntu 14.04 on a computer to use plugged hdmi into my 42 inch tv. In display settings im only offered 4 choices. the 1280x720 goes off the screen and the 1024x768 isn't full screen ...
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0answers
26 views

Monitor Resolution Problem

I have a Monitor connected to my laptop, in the displays it says "unknown display". The Screen seems to be squished in a way, on the appearance it says 2500x1600. How can I resolve this?
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0answers
54 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
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0answers
56 views

Connect Dell latitude e7440 to two external displays

I am not able to connect Dell latitude e7440 to two external displays. One is 24 inches and second is 27. It only detects the 24 inch one and duplicates everything from that screen onto 27 inch one. I ...
1
vote
1answer
101 views

Server 14.04.3 LTS Display Orientation

I'm pretty new to Ubuntu but I am currently trying to use a server version to display an application for a stripped down kiosk. I've got Ubuntu booting up into the application I want at startup, ...
0
votes
1answer
86 views

Why are my monitors not detected?

I have 2 monitors connected, the laptop's builtin monitors and an external monitor, but my display settings screen shows nothing. Why? I can display my screen on both monitors but from the settings ...
0
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0answers
42 views

Letters not being displayed properly

I have a rather strange problem. My system fonts, titles, terminal commands are not displaying properly. The letters tend to stick to each other or too separated. I have tried rebuilding the font ...
1
vote
3answers
41 views

Why when setting display to 1280x1024 it set's the display on 1920x1200?

I have been searching to how to add a resolution to display setting or just setting a higher resolution for display and i found the blow code at last : # gtf 1920 1200 60 -x # xrandr --newmode ...
0
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0answers
87 views

Blurry wallpapers, no matter the resolution

So I've simply been trying to set a new desktop wallpaper, but no matter how high the resolution of the images I use (I've even tried using images up to a resolution of 70MP) the images still appear ...
1
vote
1answer
60 views

Lubuntu, Sony HDTV as monitor, text display issues. Please help!

earlier today I set up my Sony TV to be my monitor. When I did, I just disconnected my normal monitor and plugged right into my tv. Everything was fine when I did that. But then I reset my computer ...
0
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0answers
26 views

Dual screen not working on specific position

I'm running Ubuntu 14.04 on a Dell laptop and I can almost get it to work with an external display connected to my HDMI port. The weird thing is, it behaves perfectly if, on the settings screen, I ...
2
votes
0answers
106 views

Custom dual screen configuration buggy

Using Ubuntu's system settings to configure two screens (desktop monitor and TV via HDMI in my case) is not ergonomic. Hence I decided to code a handy switcher script which lets me choose between ...
2
votes
1answer
207 views

Ubuntu 14.04 (Gnome): Laptop Display Blank After Undocking

I've been experiencing a really annoying issue with my recent Ubuntu Gnome 14.04 install. The OS is running on a Lenovo T440s. At the office I have a dock that connects to two monitors, one is ...
0
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0answers
41 views

My second screen resolution is not exact

I have Kubuntu 14.04, and a second screen of resolution 1680x1050. Not only is my resolution not listed, but if I add a custom entry for that, it seems to be not exact. With this, I mean that no ...
0
votes
1answer
54 views

Incorrect Display Resolution

I have been trying to fix my monitor resolution for a while now. However everything I have tried doesn't work or isn't permanent. I've changing resolution using xrandr. I've tried editing the X11 ...
0
votes
0answers
197 views

LG 19" display + Nvidia GT 730 Unknown display problem

Few days back, I changed my graphic card from Radeon to nVidia GT 730. I have 19" LG LCD monitor (connected with VGA cable) that supports 1360x768 as native resolution. However, if I try to switch to ...
1
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0answers
78 views

Screen shift in Ubuntu

I have Ubuntu on my System and at every boot my screen shifts to the right by some amount and therefore I have to press the auto-configure button on my Monitor to shift it back. So I have to do this ...
0
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0answers
20 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 ...
3
votes
1answer
162 views

Scale 1080p screen to 720p - everything is too small

I used to work on a 720p laptop screen, and now I have a new 1080p laptop screen with the same 15.6" size. With this higher resolution, everything is too small, and my eyes get tired faster. Is it ...
0
votes
1answer
92 views

HDMI display just stopped working

I am using Ubuntu (Kodibuntu actually, which is a flavor of Trusty) and I connected my display via HDMI. This has been working for years but today the display just stopped working. I can see the ...
1
vote
1answer
112 views

Maxium Resolution resets to 1024x768 after logout [duplicate]

The Display Settings maximum resolution started at 1024x768(4:3) I tried to use xrandr like so: >>xrandr Screen 0: minimum 320 x 200, current 1024 x 768, maximum 8192 x 8192 DVI-I-1 connected ...
0
votes
1answer
1k views

Ubuntu Mate For Rpi2 default resolution can't be changed

I have installed Ubuntu Mate 15.04 on my brand new RPI2 and the default resolution in the HDMI port is very small and can't be changed using system default display window. But when I play video using ...
1
vote
1answer
893 views

Kubuntu 15.04 Dual Monitors

I recently installed Kubuntu 15.04, mostly for the upgrade of KDE to KDE Plasma 5. I have been quite happy, but when I got back to school and plugged in my monitor I was very disappointed. Kubuntu is ...
0
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0answers
106 views

Second Monitor stuck at 1024x768 and displayed as unknown

I recently installed Ubuntu 15.04 on my laptop, I have a monitor that I connect to my laptop and both screens have a resolution of 1366x768, however the monitor is stuck at 1024x768 and is displayed ...
0
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0answers
140 views

Ubuntu 15.04: Dual monitor setup - new icons disappear on a smaller display

I have established a dual monitor setup successfully with my Ubuntu 15.04 (with default display settings and Unity 7.3.2). The first is a built-in display (1) and it belongs to my laptop (1366 x ...
0
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0answers
56 views

Xubuntu 14.04 Help with portrait orientation in dual monitor setup (Nvidia GPU)

I'm running Xubuntu 14.04 and am using a GTX 660 with 2 1920x1080p monitors. By assigning the commands xrandr --output DVI-I-1 --rotate normal and xrandr --output DVI-I-1 --rotate left to certain key ...
0
votes
1answer
58 views

Login prompt no longer on external display

Been experimenting with Ubuntu on my Toshiba Satellite U500. Using an external display (AOC 23" LCD) as primary. For the first 20 or so boots, the Ubuntu 15.04 login prompt appeared on my external ...