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

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46 views

Display goes weird on raising lid after keeping it closed for some time

I've got Ubuntu 14.04 on my Sony Vaio SVE15137. The issue is, when I shut the lid of the laptop (my settings let it stay running, it doesn't suspend or lock the screen), and raise the lid after,say, ...
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0answers
49 views

How do I stop my screen from shifting when my mouse moves to my other monitor

I have two screens and when I move my mouse from my primary display to my secondary one, my screen gets dragged over to display my secondary display on my primary monitor along side my primary screen, ...
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0answers
82 views

Ubuntu Studio 14.04 Screen Resolution problem

I'm still pretty new to Ubuntu. I had things working fine, but then a recent update seemed to run into some problems and now my screen resolution is all out-of-whack. It looks like 800x600 even ...
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0answers
16 views

Application window is surrounded by a black frame [duplicate]

The window of the application is surrounded by a black frame. It is just not happening in one account, it is happening in every account such as administrator and guest. I can't use terminal, but I can ...
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0answers
133 views

Ubuntu 14.04 Wont detect second monitor connected to second graphics card

I am running Ubuntu 14.04 and have 2 HD 7970's that I prefer to run in "Crossfire Disabled" mode to keep my temps lower. I have a 1440p display and a 1080p display. However, With crossfire off and ...
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0answers
20 views

Shawdow drag effect on display in portrait mode

I just got a new AOC 27 inch pivot monitor (AOC Q2770PQU). I've got it connected to a System 76 Galago Pro laptop with Intel(R) Core(TM) i7-4750HQ CPU @ 2.00GHz with Intel Haswell Mobile graphics. ...
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0answers
71 views

I only have one display resolution

I've installed Ubuntu 14.04 32bits in a netbook Noblex nt1001. At first the screen went black from the begining, so I run GRUB in "nomodeset" but failed in finding a driver in the conventional way so ...
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1answer
125 views

How to set custom display resolution normally

I need help with setting a custom display resolution on Linux Ubuntu, because I have a shitty TV which is actually 1080p, but 1080p looks like crap on it. However, 1776x1000 looks perfect, but Ubuntu ...
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81 views

Suddenly Black Screen and CPU fan high speed with CPU2 100% usage

I am a newbie at Ubuntu on a Fujitsu T8300 laptop with 2.4Ghz 2GB ram. My problem is that when I open multiple file or firefox, CPU2 goes to 100% and CPU1 < 50% and suddenly the screen goes black. ...
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1answer
112 views

X Server does not show built-in thinkpad display. Distorting everything in non-mirrored multi-display set-up.

I recently returned to ubuntu (14.10) and I'm currently trying to get my multiple monitor setup to work properly. It worked fine after the first setup in the desired configuration: A 1600x900 ...
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1answer
68 views

Changing resolution

Im trying to get Ubuntu to run at a higher resolution using xrandr and am having problems. I do fine when I run: xrandr --newmode "1440x900_59.90" 106.29 1440 1520 1672 1904 900 901 904 932 -HSync ...
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1answer
35 views

Glitchy screen when using DVI and main user

I recently got a new ASUS monitor, but I have a big issue when trying to get past the login screen. When using the HDMI cord this does not happen. When using the DVI I am able to see the login screen ...
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0answers
14 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 ...
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0answers
23 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 ...
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1answer
104 views

Lubuntu Display brightness

Just installed Lubuntu 14.10 on my machine. I cannot change the display brightness. I have a slider in my power settings but it does nothing. Cannot post screenshot of the slider because of no rep ...
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3answers
82 views

Two Displays at two Graphic Cards

i am a beginner and i try to set up two Displays at Ubuntu 14.10 Display 1 @ AMD R9 290 Display 2 @ AMD Radeon HD 7870 If i install the AMD (FGLRX) Driver it is not possiable to activate Display 2 ...
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1answer
282 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 ...
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0answers
37 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 ...
2
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1answer
79 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
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1answer
72 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, ...
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1answer
39 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.
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209 views

Second display screen detected but not usable (though is working fine). Using x.org nouveau driver

The display settings for my laptop and separate screen aren't working correctly. The screen resolution for my 14" laptop won't set correctly and my preferred (larger) display screen is not usable in ...
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0answers
62 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, ...
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1answer
73 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. ...
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19 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, ...
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2answers
259 views

Want to disable built-in screen by default

Some background: My old, well-loved laptop has kicked the bucket. The normally well-backlit screen is entirely, illegibly darkened. It seems to my inexpert inspection to be a hardware problem well ...
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1answer
156 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 ...
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0answers
99 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) ...
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2answers
81 views

AMD Catalyst, Ubuntu 14.04, mis-identification, underscan, and other woes

I have a ubuntu 14.04, AMD A8 APU based hardware, and Catalyst CC (14.10?) installed. The screen is a JVC 40" HD LED LCD connected via HDMI. The issues are: 1) Catalyst thinks the display is a ...
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0answers
21 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 ...
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2answers
57 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 ...
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0answers
174 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 ...
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0answers
56 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 ...
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0answers
224 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
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1answer
67 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 ...
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0answers
46 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 ...
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0answers
96 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, ...
0
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1answer
99 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 ...
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0answers
27 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
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2answers
413 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 ...
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0answers
38 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
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1answer
55 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 ...
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0answers
101 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 ...
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2answers
57 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 ...
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0answers
83 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 ...
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0answers
54 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 ...
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1answer
96 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 ...
0
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0answers
25 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 ...
2
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0answers
41 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 ...
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0answers
159 views

Chromecast as second display

I'm using Chromecast with ubuntu 14.04 and I'm able to mirror my desktop using chromium + google cast addon. Just wondering if it's possible to 'extend' my desktop as if chromecast was a second ...