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

0
votes
1answer
45 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.
0
votes
0answers
224 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 ...
0
votes
0answers
67 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, ...
1
vote
1answer
90 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. ...
0
votes
0answers
22 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, ...
9
votes
2answers
296 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 ...
0
votes
1answer
172 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 ...
1
vote
0answers
114 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) ...
1
vote
2answers
86 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 ...
0
votes
0answers
22 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
64 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 ...
3
votes
0answers
201 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 ...
1
vote
0answers
60 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
0answers
285 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
79 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
48 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
0answers
104 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
votes
1answer
111 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 ...
1
vote
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
0
votes
2answers
562 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 ...
0
votes
0answers
39 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
58 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 ...
0
votes
0answers
102 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
2answers
66 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 ...
1
vote
0answers
90 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
57 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 ...
1
vote
1answer
100 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
votes
0answers
26 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
votes
0answers
44 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 ...
0
votes
0answers
169 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 ...
0
votes
1answer
61 views

Reset Display settings

I was trying to set up my laptop to plug into an external lcd display in portrait mode. I found an option with a visual display of the screen and a rotate button among, I believe display settings or ...
0
votes
0answers
38 views

Strange color changes and large patches of green (after some time) make sceen unreadable : what is wrong?

It happened twice as of now. Large patches of green and other colors take the background and then all colors change mostly to a kind of light blue. I cannot work anymore and stop the PC. Is it the ...
1
vote
0answers
100 views

Setting best display mode as default

I use two resolutions - 1680x1050x60Hz for general usage and 1280x1024x75Hz for CS:GO playing. I have set 1280x1024 in CS:GO settings, but when it launches it sets itself at 60Hz. For this moment I ...
0
votes
0answers
28 views

Sony Vaio switching between internal and external monitor after coming out of suspend

I have a sony vaio and when it comes out of suspend mode, the screen display will either be the detected wide screen, a smaller screen or blank (as it has selected external monitor mode!). Each time I ...
3
votes
1answer
130 views

Is there a way to prevent your windows from moving when an external monitor is connected?

So, I'm using Ubuntu 14.10 on my laptop and occasionally plug it into my TV for a second screen. My TV is to the left of my desk. When I enable it as an external monitor to the left of my laptop ...
1
vote
0answers
76 views

Ubuntu 14.04 Incorrect Aspect Ratio for Monitor

I recently bought an SSD and added it to my system to install Ubuntu on. Below are the specs of my system. Intel i7 3770k @ 4.5 GHz 16GB RAM EVGA NVIDIA GeForce 660Ti The issue I am having is that ...
0
votes
0answers
129 views

Using Ubuntu 14.4 and nvidia prime to switch to dedicated video card

So, basically I have a laptop, asus n765vz with integrated graphic and nvidia gt650M. I installed prime to switch to the dedicated video card and it worked. The problem I have is that I connnected a ...
0
votes
0answers
103 views

Triple Monitor on 14.04 with nVidia 710M

My laptop (Asus X552CL) has both an HDMI out and a VGA out, as well as the built in display. I'm using the proprietary nVidia driver version 340.58. Pretty quickly I realized that when a VGA cable ...
0
votes
1answer
184 views

./setup.py: command not found

I followed steps from here Flux for ubuntu 14.04 - possible? to install flux but I am getting an error like ./setup.py: command not found please guide me soon. Thank you
1
vote
1answer
34 views

System displaying “E” as “H” (?) from different font (?)

This is weird - and it just turned up yesterday. I'm on Ubuntu 14.04 LTS, and fairly vanilla. As of yesterday, the system wants to display the character E as H. Here are two examples. First, the ...
0
votes
2answers
100 views

Automatic installation of NVIDIA CUDA and NVIDIA drivers

My system does not have an nVIDIA card installed on it, and neither did I execute any command to install the same. However, the upgrade check lists the installation of the nvidia driver (331.113). ...
0
votes
0answers
11 views

running ubuntu version 10 or higher have a messed up display

I have hp dv6707us with AMD64 1.9ghz 2Gb memory, I can run ubuntu version 9 with no problem but updating to version 10 or 12 my display is messed up. The suggestion to go to systems and look for Chips ...
0
votes
0answers
33 views

Ubuntu crashing the display , but not feeling any lag

The Ubuntu display is crashing always, some times i cant able to read a text document, Due to this crashing lines.
0
votes
2answers
51 views

Error Installation of Ubuntu 12.04 LTS of display

I've installed Ubuntu 12.04 LTS in my Windows. My PC Specs: Proc : Intel Core i3 @3.3GHz Memory : 4GB VGA : AMD Radeon HD 5500 Series. But I got a problem, my Ubuntu is in error and the display is ...
0
votes
0answers
16 views

minor display problem for firefox in ubuntu 14.04

Look at the top of Firefox .there is an unknown symbol with heading.I am a noob.please help me. this is starting to annoy me.
1
vote
0answers
41 views

Nothing on screen except for the background picture after logging in

I was using two monitors last night and now when I turn it on and log in the second monitor is mirrored and nothing is on my desktop. If I try to open something from the terminal it says it cannot ...
1
vote
0answers
122 views

Dual Screen error “gdbus.error:org.gtk.gdbus.unmappedgerror.quark._gnome_2drr_2error_2dquark.code2”

I am having trouble with my laptop when trying to extend my desktop. For a long time (a couple of months) I could extend it fine. However (either after installing CUDA for coursework, or after an ...
0
votes
0answers
18 views

monitor problem

i have a laptop with non working screen so I put an external one , after this I put the latest UBUNTU. the problem is that I want only the external screen work, but cant do it, if I open SKYPE this ...
2
votes
1answer
273 views

14.10 Dual Monitors are displayed as distorted single screen mode

I have very recently updated my Ubuntu OS from 14.04 to 14.10. I am running on an optimus enabled laptop, with Intel 4000 graphics and an nVidia 640M. *-display description: ...
0
votes
2answers
44 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 ...