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

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3
votes
4answers
2k views

Is there any way to set the display scaling back to default other than from the display settings dialog?

I scaled the UI from the display menu. Now it is way too big and I can't get to the slider to reset it. Any ideas how I can change the scaling in Unity back to default without accessing the settings ...
3
votes
2answers
6k 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
votes
0answers
13 views

Sometimes typing is there sometimes not

New to 14.04 and I have noticed that in some applications (adding new accounts and in the terminal) as I type the data may or may not appear. For example, when connecting my google account nothing is ...
1
vote
1answer
220 views

How to make the right hand monitor the primary monitor

This has been discussed before. I tried similar (older) solutions, without succes. I am using 14.04 with nvidia proprietary drivers. In the nvidia xcontrol, I can set which display is primary, but ...
0
votes
2answers
34 views

My display will suddenly freeze

Ubuntu has been doing this for years. Usually I would just give it time and it would catch back up with itself (5 minutes or so). Recently, that hasn't been working. Essentially it's as if the entire ...
2
votes
1answer
46 views

Install Ubuntu 14.04 while display is distorted

I'm currently trying to install ver. 14.04 booting off of a USB, however my display is distorted. I believe I need to install the correct video card drivers, but how can I do that if I can't get ...
0
votes
0answers
21 views

How am I resetting my display? And how to I set it back?

I am not sure what I am doing here, but I've now twice managed to blow up my display to 200% of my screen size. The first time it happened, I'd just installed playonlinux with apt-get. The second ...
1
vote
0answers
32 views

Ubuntu is deciding to only run in 1024x768

While I am waiting for my new SSD to arrive I am running Ubuntu on a pen drive. For some reason my display is stuck on 1026x768, and doesn't allow any higher even though my laptop display goes to ...
0
votes
1answer
50 views

Some aplications run, but have no visible application window

I have a strange problem with the visibility of application windows (Unity / 14.04). Sometimes an application seems to be running, but without a visible window. When I click on their launcher icon, ...
3
votes
1answer
117 views

Two monitor setup, icons / programs default to left screen all the time

I have dual monitor setup with my right monitor being my primary one. When I run a program or create an icon it always appears on the left monitor instead of the right one, even though the right ...
1
vote
1answer
116 views

Display Contrast Ubuntu 14.0.4 x32 on Elitebook2560p

I downloaded icc-profiles and icc-profiles-free from apt-get and this gave me a few more options inside Gnome-Color-Manager / but I still have no option to Calibrate (button is disabled) and all of ...
1
vote
0answers
43 views

How to prevent kernel or any broadcast messages from flooding the TTYs?

Is there a way to stop the ttys from being flooded by the kernel messages? The display shows a continuous stream of messages (which are also logged in the /var/log directory). Every text I key in ...
0
votes
1answer
30 views

Xubuntu - screen flipped upside down

I was trying to fix a different problem when suddenly my screen switched upside down - rotated 180 degrees. How can I fix this. I'm on Xubuntu 14.10 and a Dell Latitude e6420.
1
vote
0answers
73 views

Resize desktop to fit HDTV output

I'm new to Linux and trying to learn to love it. At the moment, I'm using a mid-spec laptop that I connect to a 37" HDTV via an HDMI cable. This setup suits me really well and works (almost) ...
0
votes
0answers
37 views

Ubuntu RTMP server output video over cvbs

I want to stream video from Adobe_Flash Media Live Encoder (FMLE) to an RTMP server (nginx, ffserver or crtmp) installed on a Cubieboard (cb2), and output that video stream over CVBS (RCA yellow, red, ...
2
votes
3answers
2k views

Screen turns off while watching video (VLC player & SM player)

I'm on ubuntu 12.04 and I've already read similar questions and answers regarding this issue but none of them reported the same problem as I have. The problem is that the screen turns off after 10 ...
1
vote
1answer
43 views

DISPLAY variable blank. 12.04.5 LTS on virtualbox

I've researched some for an answer to what seems a common question but I still need more help. I am a complete newbie. I installed ubuntu 12.04.5 LTS on Oracle Virtualbox 64bit set up for ubuntu. ...
2
votes
2answers
3k views

Can not change display resolution on a Sony VGN-FZ21M

My Sony Notebook VGN-FZ21M does have a NVIDIA grafic card with a VESA G86 Board - e415h01. My Problem is, that i can not change the display resolution from 1024*768 (4:3) to 1980*1280. I tried to in ...
0
votes
0answers
13 views

My launcher and menu bar don't exist after finally getting 14.04 to boot on MacBook Pro 5 1?

Can anyone help me out, I am a total noob to Linux, but I am dedicated to learning !! Any point in the right direction would be much appreciated!! I have tried a few things that I found on thus site, ...
0
votes
1answer
86 views

launcher hangs ubuntu 14.10 in high resolution display

Issue occurs when I click on launcher, display hangs and unable to recover session. Top bar graphics goes awol. This only happens when I using the highest resolution display (1920x1080), all of the ...
4
votes
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 ...
1
vote
1answer
364 views

Wrong Resolutions after NVidia Driver

I have some issues with the NVidia Driver. When I have installed the Ubuntu 14.04 the screen resolution could not detect the mode 1280x1024. I have created the mode 1280 x 1024 using xrandr. After ...
0
votes
0answers
19 views

Live USB 14.04 Dash works but other windows do not

I'm testing out Ubuntu on my son's new laptop in order to make sure it will work well enough for him. It's an HP Home Notebook PC that is AMD based and specifically has this graphics driver: AMD ...
0
votes
2answers
43 views

Ubuntu stuck with old monitor's max resolution?

I was using 1280x768 and it looked blurry. So I went to Displays and tried to change to the maximum resolution: 1366x768. But it threw a limit error. Only then I realized that was my old monitors ...
1
vote
0answers
91 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 ...
0
votes
0answers
115 views

How to properly connect second Monitor via HDMI?

I have a Samsung Series 9 900X4D Notebook with an Intel Core i5 3317U CPU ( Intel HD Graphics 4000 ). The main displays resolution is 1600x900. I would like to use a second display with my microHDMI ...
0
votes
1answer
39 views

How to lower refresh rate on external display (projector) from 75 hz to 60 hz

I have a projector that is 3D Ready, but it can only handle a refresh rate of 60 Hz to use the 3D settings, yet for some reason it defaults to 75 Hz when I plug it in through the HDMI port (the only ...
1
vote
0answers
38 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 ...
0
votes
2answers
6k views

Ubuntu 14.04 boots to black screen after upgrade from 13.10 - no display, problem seems to be X connected

I just spent a day trying to work around my newly upgraded Ubuntu 14.04 booting into a black screen without success and becoming seriously desperate. What I did: Upgrade to 14.04 LTS from 13.10 via ...
0
votes
0answers
55 views

Black screen on Radeon HD 6790 (DVI), working on integrated graphic card (VGA)

My computer: Gigabyte GA-H81M-HD3 GoodRam DDR3 4GB/1600 CL11 Intel Pentium G3420 AMD Radeon HD 6790 Is there any chance to repair ubuntu on Radeon? I have also Windows 7 and everythink work good, ...
9
votes
1answer
17k views

How can I rotate my display in the most easy way?

I am the lucky owner of a pivot monitor, which screen can be rotated (physically). What is the easiest way to make my display turn when I turn my monitor? For the moment I first launch the 'Displays' ...
3
votes
0answers
218 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 ...
0
votes
1answer
74 views

Screen turned off on resume, HDMI issue

I have an HP Pavilion G4 AMD A10-4600M APU with Radeon(tm) HD Graphics × 4 14.04 Trusty For some time now, whenever I suspend notebook either by shutting lid or manual suspension screen is off. ...
0
votes
1answer
49 views

System freezes after VGA output goes crazy

I am running a dual monitor setup with one running off VGA and the other off DVI on a Asus H97 motherboard. Integrated graphics from an i7-4790. And Linux (Ubuntu 14.04.1 LTS updated to the latest ...
0
votes
2answers
211 views

Second Monitor does not detect on Ubuntu 14.04.1 LTS but detects on Windows 8.1 [duplicate]

I just installed Ubuntu 14.04.01 LTS on my secondary partition on my Solid State Drive. I noticed that when I went into System Settings --> Displays --> Detect Displays, my system is not detecting the ...
1
vote
0answers
24 views

A cursor track left on the screen

When I move mouse, there will be a cursor track left on the screen, shown in figure. How can I fix it? The figure link is here
7
votes
0answers
1k views

Ubuntu 12.04 Unity: Black screen with cursor only, when external display is connected before booting laptop

Whenever I connect an external display to the DSub port of my laptop before booting into Ubuntu, something goes wrong in Unity to cause the exact same problem as described here: After logging in, ...
8
votes
3answers
10k views

Flux for ubuntu 14.04 - possible?

Is it possible to make Flux work in ubuntu 14.04? If so, maybe you can share your knowledge or point me to a guide? (Flux is software which adjusts temperature of your display according to time of the ...
0
votes
0answers
25 views

how to work around incorrect mode setting / video resolution in text mode

I'm currently setting up a Mac Mini as a server with Ubuntu 14.10. I've disabled lightdm so it's text only. It will only be connected to a monitor when a direct console is required. Trying this out ...
0
votes
1answer
38 views

Change display output mode in system tray?

I attached my laptop to my tv, and I wanna be able to change the output from laptop display to tv or tv to laptop, with one click ( and choose their resolutions) and I do NOT like the FN+F5 shortcut ...
1
vote
1answer
67 views

How to set the main monitor on Lubuntu?

I have a desktop computer with Lubuntu and a dualhead display (two monitors). I want to extend the display to both monitors (currently they're mirrored), but I have a problem: the left monitor is a ...
1
vote
2answers
37 views

Change only one display orientation from terminal

I am starting to work with 2 displays on Ubuntu. One of them is rotateable, so I can use it easily in both landscape and portrait mode. But I world prefer to have ability to change orientation setting ...
4
votes
4answers
29k views

12.04 Ubuntu: configuring laptop to hook up to tv using hdmi cable?

I'm trying to use an hdmi cable to connect my HP dv5 notebook to a 32" Sony Bravia tv in order to watch Hulu stuff on a bigger screen. However, Google has been thoroughly unhelpful thus far! When I ...
0
votes
0answers
80 views

Ubuntu 14.04 hybrid graphics ati dual display

I can mirror my displays but extending the desktop results in display overlap as well as flickering. The second monitor is a 32" Samsung TV connected via HDMI and I am using ATI proprietary drivers ...
1
vote
0answers
63 views

ThinkPad W530 - Mini display port doesn't work

I have a ThinkPad W530 Laptop. It has Nvidia Q K1000M installed. I am unable to make mini display port work to be able to connect to an external monitor using mini to hdmi display cable. My guess is ...
1
vote
0answers
44 views

Ubuntu 14.04 problem refreshing screen

I have problems of refreshing screen, but I don't know the cause of the problem. Sometimes, my screen "twinkle", that means it pass to the current view it must be display, and the previous view. For ...
0
votes
1answer
97 views

system freeze after monitor power save

I have a Lenovo ThinkPad running Ubuntu 14.04 LTS with a DELL U2414H connected via the Display Port as a secondary display. When the monitor goes to power save mode and I try to wake it up, I get the ...
0
votes
0answers
18 views

“DO NOT USE” message in display settigs

I have a strange issue that I looked for solution in the net and found nothing. I'm using 2 screen. One is Dell UltraSharp U2312HM and the second is Xerox xm7-22w. The Dell is working perfect, but ...
0
votes
1answer
87 views

How can I fix the resolution of my monitor?

I'm having two issues with my Ubuntu 14 install, one I've band-aided, the other of which is making me pull my hair out. I managed to install Ubuntu 14, but I get a black screen on boot, and my Acer ...
2
votes
0answers
38 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 ...