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

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4
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0answers
113 views

Ubuntu support for 5K (Dell UP2715K): adjusting details

I've recently purchased a Dell UP2715K which has a resolution of 5120x2880 and have installed ubuntu 15.10 to go with it. The UP2715K is connected to a GeForce 960 GTX (2 displayport cables since 1 ...
4
votes
0answers
2k views

External display suddenly not detected

I have a Lenovo IdeaPad U410 running Ubuntu Desktop 13.04. I have an external monitor that I connect to via HDMI, and it's worked flawlessly for six months. I plug in my laptop, it detects the ...
3
votes
0answers
838 views

Could not set the configuration for crtc 64 (15.04)

Sometimes when I attach an second LCD monitor (iiyama ProLite E2407HDSV) to my Asus N56J laptop and I try to extend my laptop monitor with the LCD I get the error: could not set the configuration for ...
3
votes
0answers
114 views

Multiple problems after connecting and disconnecting to external display via HDMI

I'm running Ubuntu 14.04 on an ASUS A53S laptop. I connected to a tv via HDMI and everything worked fine. Then I disconnected the HDMI cable and shut off the computer. When I restarted the computer, I ...
3
votes
0answers
283 views

thinkpad 10 running 14.10 2 external monitors not recognized

I am using a Thinkpad 10 tablet, model number: TP00064AFX, running ubuntu 14.10. I would like to extend the screen to 2 23" asus monitors. They displayed upon plugin on windows 8.1 however when I ...
3
votes
0answers
77 views

When I turn my monitor on after it has been off, it does not display anything

I am running Xubuntu 14.10 on a desktop and use LightDM. As I said in the title after I turn off my monitor (with the computer already on) and then turn it back on again there is no input from my ...
3
votes
0answers
472 views

Ubuntu 14.10 screen artifacts - How do I fix?

Please tell me how do I fix this problem? I have no graphics card for your information 00:00.0 Host bridge: Intel Corporation 82Q35 Express DRAM Controller (rev 02) 00:01.0 PCI bridge: Intel ...
3
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0answers
432 views

Screen resolution messed up on Ubuntu 14.10 with Nvidia 331 driver

I am using the Nvidia 331.89 (nvidia-331) driver as recommended by Ubuntu 14.10. When I boot my machine using an external monitor and my laptop's screen on, the displays are mirrored by default with ...
3
votes
0answers
1k views

auto resize guest display grayed out under virtualbox

cannot select "auto resize guest display" or Host-G, because it is grayed out; as a result my ubuntu GUI screen running under VirtualBox does not show the whole page. For example, if I select system ...
3
votes
0answers
285 views

Why doesn't xrandr recognize my view as connected, even though it's on?

I have a dual screen setup via a Lenovo docking station, the laptop itself has its lid shut. The two screens are mirror display, i.e. both are clearly on and working to some extent, they both display ...
3
votes
0answers
425 views

Black screen before login

I'm having some trouble with my xubuntu. It was running just fine yesterday but it's not working today. I remember that I've flipped the power switch during the last shutdown (because it was taking ...
3
votes
0answers
191 views

How to fix display issue where random characters are missing?

Just installed ubuntu and this is my screen I uninstalled and reinstalled several times
3
votes
0answers
332 views

Command “xset dpms force on” after resume

I Use Lubuntu 13.04 and the LVDS Display only works if you use the "nomodeset" option is set in grub. (The VGA Display works without a problem...) After a resume i only can see on the LVDS Display ...
3
votes
0answers
101 views

Bottom Half of Screen is Glitchy

Total newbie here... I'm running 12.04 on a salvaged HP Pavilion zt1130. Video is S3 Savage4 AGP 4x... No idea if it's a card or what. I'm unable to find anything about a driver. I'm having a ...
3
votes
0answers
1k views

Unable to enable dual displays

I am running an almost-fresh version of Ubuntu 12.04 on my old Dell Inspiron 710m laptop. I had to re-install yesterday due to a different display issue. I wasn't able to directly reinstall 12.04 ...
3
votes
0answers
330 views

Default program startup display

I have a dual display setup and would like to be able to set which display a piece of software starts on. Most software seems to return to the last display but Stellarium always starts in the primary ...
3
votes
0answers
3k views

display port on x230 not working

having problems with my new lenovo x230 - using dual montiors, only vga registers anything. This has the Intel graphics controller : 00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge ...
2
votes
0answers
21 views

Having trouble opening images in Ubuntu command line

When I'm trying to open an image in Ubuntu command line using the command eog filename.jpg, I get an error reading Cannot open display: Could someone please advise what else I need to run before ...
2
votes
0answers
61 views

Screen resolution and scale resets a couple of seconds after login into account. How to fix?

I'm using Ubuntu 15.10. My graphics card is an integrated Intel Graphics card, and my monitor is plugged through VGA. For some reason Ubuntu doesn't recognize my monitor's available resolutions and it ...
2
votes
0answers
34 views

Completely unusable software

I'm currently running Xubuntu 14.04 (the same issues were present under Ubuntu 14.04), some of my software is just impossible to navigate and use due to display issues. Software like Spotify, ...
2
votes
0answers
91 views

ubuntu 14.04 - Unknown Display - Resolution limited by 1360 * 768

I have a 2nd monitor (Samsung) but ubantu cannot detect the monitor as well as the best resolution (1680*1050). So far the max. resolution is 1360*768. please see the screenshot - display settings ...
2
votes
0answers
97 views

Desktop is horizontally stretched and doesn't fit the monitor display space

I have recently installed Ubuntu 15.04, and with it the latest stable version of the nVidia Display Driver (352.55) for my GTX 650, downloaded from the community nVdia driver repository. After ...
2
votes
0answers
105 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
0answers
85 views

2nd vga monitor not being detected shows 100% black screen

Hey guys my 2nd monitor is on but is just showing a black picture. my main monitor is connected to the video card (Amd 280) whereas the 2nd monitor i connected to the motherboards VGA port the VGA ...
2
votes
0answers
303 views

How to change screen resolution in MAcBook Pro 2013 15" Retina SSD? It fails when trying

When trying to change to ANY different than maximum resolution built-in display of MacBook Pro Summer 2013th Retina 15" I get black screen and nothing more and every time I have to reboot the system ...
2
votes
0answers
66 views

Text not displaying on Ubuntu 14.04

When I try installing Ubuntu 14.04.2 on my Macbook Pro Retina, the text won't display on any of the programs. Images:
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votes
0answers
376 views

Ubuntu 15.04 Second monitor detected but cannot enable it on one account only

I recently installed Ubuntu 15.04 on my new computer and connected a second monitor to it. When I log as the first user created on the computer it works fine, but with an other user, the monitor ...
2
votes
0answers
151 views

Unplugging HDMI cable doesn't switch back to single monitor mode on Lenovo Yoga 3 11 laptop

I have a Lenovo Yoga 3 11 laptop with Ubuntu 15.04. When I plug the HDMI cable to my external monitor, the system goes into multi-monitor mode so I can use the laptop display and the external monitor ...
2
votes
0answers
62 views

Display Port Monitor mappings change at random 14.04

I have a Dell E7240 with Ubuntu 14.04. I have installed the Hardware Enablement Stack and the 3.17 kernel. Now, when I use my docking station, I can get 3 monitor support, and it works great. The ...
2
votes
0answers
126 views

Ubuntu Graphics Not Loading Properly even after fresh installation

I am trying to install Ubuntu 14.04.2 in my workstation ( Dell T7500 ). I installed it successfully once but after recent problems and finally messing up while installing my Nvidia driver ( Nvdia ...
2
votes
0answers
92 views

Gnome 3 : change system fonts size on each display of dual screen

With Gnome 3, is there a way to change the system fonts size independently on each display ?
2
votes
0answers
46 views

How do I make my display blurry?

This is a weird question, I know. I recently bought a new laptop (Dell Inspiron 15 3000 series). My old laptop was a Toshiba, and the screen was grainy, which made everything look a little blurry. At ...
2
votes
0answers
74 views

Color became weird after running a game in Wine?

Alright, so, I'm not entirely sure how to explain this... Screenshots don't show anything wrong, and Skype friends on screen share say it looks fine. But restarting fixes it. (For the most part (more ...
2
votes
0answers
191 views

Ubuntu 14.10 - Wrong greeter screen resolution

I'm currently running Ubuntu 14.10 set to a resolution of 1920 x 1080, but on start up of the system, the resolution is incorrectly set to 3840 x 2160 (with no scaling) at the greeter screen. On ...
2
votes
0answers
114 views

What is a good Ubuntu application for adjusting the screen colour balance and contrast?

It seems that the screen of my Samsung Series 7 Chronos laptop has a weird white glare. (try seeing how the pdf file on the Overleaf website looks like!) I installed "redshift" but that is just ...
2
votes
0answers
186 views

large monitor off center display

I use a Sharp 42" TV as my only monitor and sometimes the display is off to the left so I can't see the launcher. However, if I move the cursor to the left, I see the tail of some of the longer ...
2
votes
0answers
182 views

Ubuntu can't detect my second monitor

I know that there were already several people with the same problem, but I couldn't figure out how to solve this problem myself. I am a complete beginner with Linux and Ubuntu (I am using 12.04) and ...
2
votes
0answers
184 views

How to get the current display output using the command line?

I'm writing a script in which I need to switch between two displays, but I can't find a way to get the information about the current active output. Pretty much like this: if Display0 is off and ...
2
votes
0answers
246 views

xrandr and multiple displays

So I'm pretty new to Ubuntu and Linux in general. I have Ubuntu 14.04 installed on my laptop and want to attach another monitor. The native laptop display is running at 1366x768 and my monitor is ...
2
votes
0answers
32 views

Display switcher indicator

Is there a display switcher indicator for Ubuntu like on Windows when I hit the button for the display switching? I hit the button accidentally sometimes, therefore it would be cool. windows display ...
2
votes
0answers
303 views

Ubuntu 14.04.1 LTS never remember primary screen/monitor resolution

I use Ubuntu GNOME with Nvidia graphic card (two HDMI and one DVI output). My monitor is connected through VGA - DVI adapter and work natively in 1920x1080. Since I was unable to change my screen ...
2
votes
0answers
444 views

Increase virtual screen size past 4096 x 4096 on Ubuntu 14.04 LTS

I have two 27" monitors with a 2560 x 1920 resolution each. When I try to extend my desktop across them both I get the below error: So, if I need to increase the maximum virtual screen size? To ...
2
votes
0answers
461 views

high-DPI scaling — 14.04 VM on OS 10.10 (PB 4), w/ Parallels 10.0.2

With this setup, the Ubuntu desktop still looks tiny on a 15" rMBP, just as it did with 12.04 and Parallels 8/9 on the same machine. I've tweaked the various Ubuntu settings, and enabled retina ...
2
votes
0answers
259 views

Can't change monitor to native resolution

I'm using a laptop running ubuntu 14.04 LTE, and I have secondary monitor LG Flatron M197WD, which according to the lg website can run in a 1366x768 resolution. This mode didn't show up in either the ...
2
votes
0answers
6k views

ubuntu gnome 14.04 can't turn off built-in display

I have ubuntu 14.04 gnome(3.12) on my laptop. My laptop screen is broken so I just have an external monitor plugged in and I use that. In the passed version I would just turn off the built-in (broken) ...
2
votes
0answers
53 views

Display Problems

I am running Ubuntu 12.04 LTS (Guest) in VMWare WS 7.1.2 on Windows 7 64-bit Host. I have VMWare Tools installed properly and have been using them for years. I have unchecked 3D Acceleration -- never ...
2
votes
0answers
234 views

Ubunutu doesn't recognize 3rd monitor

I just installed Ubunutu 14.04, after the experimentation I did with previous version on virtual machines went smoothly. I have 3 monitors - 2 connected to PCI-E graphic card (via DVI and HDMI), and ...
2
votes
0answers
60 views

Trying to get 3 monitors on Ubuntu 13, max combined resolution is 4096x4096

I have a Dell machine running Ubuntu 13.10 (I think), with a PCIe video card with 256 MB of RAM and a DisplayLink USB video card with 256 MB of RAM. On the PCIe card I have two monitors, both at ...
2
votes
0answers
3k views

Ubuntu 14.04 Dual monitor

I am in the process of moving from Windows XP to Ubuntu 14.04. I need to be able to run in what windows calls 'extended desktop'. As soon as I plug in the projector or a monitor the video output ...
2
votes
0answers
32 views

How to set a temporary custom desktop width for a broken display

I need to temporarily limit the horizontal extension of the Ubuntu environment, because the display is broken and its rightmost quarter is full of vertical lines, making the top panel menus not ...