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

learn more… | top users | synonyms

4
votes
0answers
37 views

14.04 Trusty Tahr who command output

I have a question that arose in my mind after upgrading to 14.04 TrustyTahr from 12.04 PrecisePangolin. The question pertains to the 'who' command, and its output. On previous editions of Ubuntu the ...
3
votes
0answers
132 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 ...
3
votes
0answers
745 views

icon scaling seems to work partially on a dell 4k display. I'm using ubuntu 14.04

a newbie here. I'm using a dell 4k display on ubuntu 14.04(up-to-date so far). I have already followed the instructions on this link - Adapt Ubuntu to a high-DPI resolution screen - it struck me ...
3
votes
0answers
224 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
377 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
724 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
435 views

Two monitors, two DP-connectors, Ubuntu sees those as one

I have a IBM ThinkPad in a dockingstation. Attached are two monitors (default resolution: 1920x1200) via two DisplayPort connectors. The laptop have Nvidia/Intel chipset, but I only using Intel. ...
3
votes
0answers
396 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
1k 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
175 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
281 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
96 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
2k 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
23 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
39 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:
2
votes
0answers
114 views

Same image on two external displays with a Lenovo T550 and a docking station

I have a Lenovo T550 without NVIDIA graphics (only an Intel Broadwell-U Integrated Graphics). This works fine with the internal display. Now I want to attach two external monitors to the docking ...
2
votes
0answers
28 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
66 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 ...
2
votes
0answers
23 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
28 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
82 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
86 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
52 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 ...
2
votes
0answers
339 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 ...
2
votes
0answers
26 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
215 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
204 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
399 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
203 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
209 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 ...
2
votes
0answers
48 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
137 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
56 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
29 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 ...
2
votes
0answers
257 views

Error when using DisplayPort monitor - Lenovo X220

When I connect my Acer 21.5" LCD monitor to my Lenovo X220 using a DisplayPort to VGA connector, the monitor shows up under 'Displays' but when I enable the monitor, it doesn'twork and I get the ...
2
votes
0answers
168 views

How to fix: too short external monitor's resolution after HDMI reconnect until reboot?

I am working on a notebook with external monitor via HDMI and experiencing the same problem each day - in one specific case the external monitor's resolution is not set correctly - gets 1600x1200 ...
2
votes
0answers
175 views

Blank Screen upon login after installing openGL

I have an Inspiron N5010 running Ubuntu13.10 64b. It uses Intal HD Graphics (i.e. no ATI/Nvidia graphics card) I need a software that uses OpenGL, and I installed multiple packages using synaptic ...
2
votes
0answers
298 views

No HDMI output decteded

I'm running Ubuntu 13.10 and trying to connect to my TV using the HDMI port on my computer. But nothing happens when I plug it in, and clicking on Detect Displays in the display settings does nothing. ...
2
votes
0answers
223 views

How can I force primary display output after turning off monitor?

I have a single HDTV attached to a single video card by two connections - VGA and HDMI through a receiver. HDMI is preferential for convenience. I only need VGA occasionally as it matches the native ...
2
votes
0answers
54 views

How to dynamically change configuration of a running Xserver?

I'm running Ubuntu 12.04.3 on Intel's HD4000 GPU. While Xserver is running, I would like to: add a new dummy screen to a running xserver (existing session, no DM involved) set resolution of display ...
2
votes
0answers
150 views

ctrl+alt+F1 shows on wrong display

I have dual displays: a monitor and a projector. Whenever I want to go to Ctrl+Alt+F1, the TTY is displayed not on my monitor, but instead it is displayed through the projector on the wall. The ...
2
votes
0answers
59 views

How to clear up herringbone video problem?

I have Ubuntu 13.04. When I turn the computer on, most of the time I get a herringbone pattern. If I turn it off and back on. Sometimes that works. Then I get the opening screen with the programs. ...
2
votes
0answers
356 views

How do I turn off the display (DPMS) without X?

I've been trying to switch off the built-in screen of a device I've got, but I can't seem to completely control it without X running. If I run a GUI (I've tried Kubuntu 12.10) and issue the command ...
2
votes
0answers
146 views

Aspect ratio is locked at 4:3?

I just installed Ubuntu on a fairly new laptop, and everything worked fine at first. However, after I installed a proprietary driver for the cpu and reset the system, the aspect ratio was ...
2
votes
0answers
403 views

Ubuntu 13.04 put resolution at 1024x768

After the installation of Ubuntu 13.04, I have the resolution at 1024x768 instead of 1280x800, and even after switching all the possible drivers in Settings, the situation doesn't change. Plus, this ...
2
votes
0answers
432 views

projector (external/internal combo) icons while switching - how?

External vga connected monitor with laptop. On windows when you press the projector hotkey/fn key on a laptop, you see a list of options or combinations of external projector and onboard screen, it ...
2
votes
0answers
1k views

Fix Overscan/ Underscan on HDTV Intel HD Graphics Card

I have my laptop running Ubuntu 12.10 hooked up via HDMI to my 24inch, 1080p HDTV though I am experiencing an overscan problem. When the tv cis connected, it cannot be run at the 1080x720 resolution ...
2
votes
0answers
419 views

Black screen when taking screenshot

I am getting black pictures when I try to take a screenshot with the PrtSc key (which calls Screenshot application). My graphical system is a Nvidia optimus with Bumblebee installed (the problem ...