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

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Ubuntu 15.10 wakes up immediately after suspend but only once per boot

got a bit of a tricky one here My computer is running 15.10, and whenever I suspend it for the first time after powering it on, it wakes up immediately after it suspends. After that initial suspend, ...
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9 views

Ubuntu 15.10 not detecting display through KVM Switch

My system worked fine with 14.04 and then I had to upgrade to 15.10. It's a dual boot Ubuntu 15.10/Windows 10 (not by choice). I also have a KVM switch to make it more complicated. Graphics is an ...
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1answer
36 views

Stuck at 800x600 display resolution Ubuntu 14

After dual booting Win 10/Ubuntu 14, Windows displays at 1366 x 768 with 10 display modes available. Ubuntu has no options other than a "built-in" 800 x 600 low res output. The driver is the latest ...
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1answer
7 views

mirror desktop behavior Ubuntu 14.04

Im wondering something about how Ubuntu chooses which desktop is to be mirrored. Is it the primary that is always mirrored onto the secondary? What happens when the primary resolution isnt supported ...
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0answers
9 views

Regularly changing screen resoution - potential problems

I frequently connect to my home computer using VNC. I connect from computers with different monitor resolutions. I like to run my VNC client in full-screen mode, so as a result I'm frequently changing ...
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1answer
21 views

Ubuntu 14.04: I have 2 monitors, and full screen spans both of them. I only want full screen on one monitor

I see lot's of people wanting to have full screen span both monitors, yet I only want to be able to full screen an application on ONE of the monitors. Here is my /etc/X11/xorg.conf Section ...
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1answer
24 views

Is there any way to mirror displays in 16:9 Ubuntu 13.10

I have an old dual core Toshiba laptop with a 15" wide screen that rarely leaves my office. I have a 17" wide screen monitor plugged into the vga port on the side and want to mirror the display. ...
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0answers
23 views

Black screen after install

I just installed Ubuntu Server 14.04.3 32 bit os on a Dell Poweredge 700 tower. Install went smooth but now after it rebooted all I get is a black screen though it seems to have started fine. Tried on ...
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31 views

Display problem when upgrading to Ubuntu 14.04 (maybe display UNCLAIMED)

I recently upgraded my machine to Ubuntu 14.04. When I boot my machine, my monitor does not display anything. Pressing Ctrl+Alt+F1 also doesn't show me anything. What I finally did was go to recovery ...
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1answer
17 views

Unsupported resolution when connected with HDMI

So here's the situation. One day my Acer Aspire One 725 fell and its display isn't working anymore. However, I got a display workaround by the means of HDMI cable connected to my TV(max supported ...
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0answers
23 views

Xrandr Fix: I need help with HDMI resolution

I need some help. I have my Ubuntu 14.04 computer connected to my 40" Samsung HDTV with a resolution of 1920x1080 and every time I start up my computer the top and bottom keep getting cut off. I've ...
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2answers
25 views

Ubuntu screen size does not fit properly in my desktop computer monitor. It does not use the full monitor screen

I've just installed VirtualBox (version 5.0.14) and Ubuntu (14.04 LTS) in my Windows 7 (64 bits, Service Pack 1) desktop computer. Ubuntu works fine, however the screen size does not use 100 % of the ...
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0answers
22 views

Dual monitor problem on Ubuntu 14.04. After monitor switch off and on, application Chrome closes by itself

I have a problem that involves a Ubuntu 14.04.3 LTS that runs on a NUC Mini-PC.The NUC is connected with two external Samsung Smart TVs 1st display connected via HDMI , 2nd display connected via ...
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0answers
20 views

HP 650 - HDMI port doesn't work

I have laptop HP 650 (2 core Pentium, 4GB RAM) with 2 display ports: VGA and HDMI. If i connect display on VGA port it's really fine. I have 2 displays. When I want to connect display to HDMI (as ...
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0answers
12 views

Can't connect to monitor from ubuntu 14.04

I've got a linux box under my desk that I control via putty and WinSCP, it works fine but for a few things I prefer to have an actual display to do it. I switched over today and theres no output to ...
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2answers
44 views

When i switched from ubuntu to Lubuntu i lost the external monitor. Laptop display is physically damaged

On 1/25/2016 I switched from Ubuntu 14.04 03 LTS to Lubuntu on a laptop (Sony VGN-NR120E) that I can only use with an external monitor because the LCD is physically damaged. The external monitor ...
0
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1answer
38 views

Screen flickering after enabled Nvidia Graphics on Ubuntu 15.04

I enabled and installed Nvidia Graphics on my system but after I rebooted my system keeps flickering on Unity, Compiz and Metacity but not on tty. My Nivdia graphic card is a GT 650m. How do I ...
0
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1answer
61 views

Ubuntu 15.10: blurry texts and images

I'm all new to Linux systems environment, therefore as Ubuntu itself — I'm using the 15.10 "Wily Werewolf" version —, and I've already searched a lot on the internet, in this, and several ...
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1answer
36 views

How to make video resolution setting permanent?

For some reason my Ubuntu 14.04 installation does not recognize my screen and there for won't set the correct resolution. It defaults at something huge like 640x480. I found a way to set the required ...
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0answers
18 views

Custom resolutions

I have a Acer E5-571 with a intel i5. My graphic is onboard and I need a resolution bigger that 1366x768. I tried the xrandr but I found a big problem roney@E5-571:~$ xrandr --newmode ...
1
vote
1answer
41 views

LG monitor is detected but doesn't function

I just bought a new LG monitor to use as a second monitor with my HP laptop (Intel Integrated graphics) running Ubuntu. In my Settings > Display I can see my monitor detected in the GUI but on the ...
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0answers
45 views

Boot Ubuntu without screen (Teamviewer)

I'm trying to connect to Ubuntu 14.04 (Nvidia GT730 graphics) with Teamviewer but I cannot access to it if I did not plug in a monitor before. I did try a lot of thing, the best on was this solution. ...
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0answers
55 views

How to set screen resolution to 1366x768

I recently installed Ubuntu 14.04, this is my first time using Linux and I'm having trouble with the settings of my screen and my GPU. I have a S13A100N Samsung monitor with native resolution of 1366 ...
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0answers
10 views

Package name of the Unity monitor manager GUI

The default GUI tool for dragging external monitors around, changing their resolution, mirroring the monitors, etc.; this tool is somehow gone. I’d like to install it but I can’t figure out the ...
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0answers
13 views

Has anyone had any success with scaling in certain applications? I feel like i need a magnifying glass [duplicate]

I've been using linux on my Yoga 2 Pro, which has a resolution of 3200x1800. I've managed to scale the ui via the settings and unity tweak tool, but i still cant seam to figure an easy fix for ...
1
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1answer
11 views

gconf override glib schema error - “can not parse as value of type 'd'”

I'm trying to override the gconf settings for text-scaling-factor and scaling-factor on my system, following the method mentioned here. So I created a file at ...
1
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1answer
43 views

New (used) monitor — resolutions not detected and errors when adding them manually

I just got a used Dell 3007WFP-HC. I plug it into my Thinkpad X250 running 14.04, go to "displays" and I only have the option of 1280x800 resolution. I follow this advice on adding undetected ...
0
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1answer
27 views

Ubuntu 12.04 not detecting 2nd screen

I have been trying to solve this problem for around 2 months and have seen pretty much every possible solution on this site and everywhere else with no success . Im running ubuntu 12.04 with intel ...
0
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0answers
30 views

Display flickering while watching video on my HP-ENVY-TS-m6-Sleekbook

I am new to Ubuntu and I have installed Ubuntu 15.10 couple of days ago. While watching some videos on my Google chrome browser in full screen mode I have noticed some flickering on my monitor. I am ...
0
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0answers
30 views

How to force display re-detection

I have a tri-head setup on a NVIDIA GTX660 running latest NVIDIA drivers on 15.10. Often on boot or when launching an application the card/OS 'forgets' about a screen or what resolutions it can run. ...
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0answers
19 views

Display driver issues - Nvidia 7100

Machine specs. I believe these are relevant ones, but if I need to provide something else, happy to do so. Ubuntu 14.04, VGA compatible controller: NVIDIA Corporation C73 [GeForce 7100 / nForce ...
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0answers
11 views

How to switch screen off and switch it on, through hotkey?

xset dpms force off switches off the screen but the screen wakes up on mouse movement. I want that once the screen is switched off, it should wake up only through some predefined hotkey. How to do ...
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0answers
22 views

Mirror Display grayed out when HDMI is connected in Ubuntu 14.04

When I connect my HP-G71 Laptop to my LG TV via HDMI Ubuntu only recognizes the TV as a extended or duel monitor. I noticed the Mirror Display option is Gray-Out. I searched and with results and it ...
0
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1answer
31 views

HP 2140 screen resolution stuck at 1024x576

I installed Lubuntu on a HP2140 mini PC. Everything is working perfectly, except for the screen resolution. According to the specs it can do 1366x768. I tried setting this resolution with xrandr, ...
0
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0answers
38 views

Uninstall flux which was installed from source

I installed Flux using following steps (source) git clone https://github.com/Kilian/f.lux-indicator-applet.git cd f.lux-indicator-applet sudo python setup.py install Now I want to ...
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0answers
8 views

Black screen after dual boot intstal of linux 14. Wait 10 mins and and screen loads to log in screen

Hi so I just installed ubuntu and finally got it to dual boot with my pc after a train wreck. (Thank goodness I backed it up) I decided I would do a fresh install of windows and then ubuntu and ...
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0answers
17 views

libgl.so boot stuck - display manager not loading Ubuntu 14.04

I've managed to break my install of Ubuntu 14.04. On booting I get the Ubuntu (Studio) splash screen, then the screen goes black with a cursor (not flashing) in the top left of my screen. I can login ...
2
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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
1answer
45 views

Ubuntu 14.04 LTS video problems

I am looking to switch my system over from Ubuntu 15.10 to 14.04 LTS. However, i encounter problems when booting from the thumb drive. During boot up, the Ubuntu start splash is displayed normally. ...
0
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0answers
31 views

External display problem from two laptops to two external monitor through HDMI switch

Bascially I want to connect each of my laptop (two in total) to my external monitors. One runs Ubuntu (for my general use) and the other runs Windows (for some engineering softwares that only run on ...
3
votes
1answer
47 views

Cannot disable Display Port via grub boot options

When I run xrandr on the terminal I see DVI-0 connected and DisplayPort-1 connected. I only use DVI-0 as my output. I don't have two screens, or anything else connected to my computer, so I don't know ...
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0answers
19 views

How to set brightness to my Last set level?

I have read a lot of Q&A to set brightness to a fixed level on startup. But that is not what I want. I want that script (/etc/rc.local ) to update itself dynamically. i.e, On every startup ...
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0answers
21 views

How to reset multi monitor configuration for unity desktop on a specific user?

I am having problems with multi monitor settings in my laptop. It is an Acer Aspire V with an HDMI port. When I connect the port to a display: the screen freezes except for the mouse pointer ...
0
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1answer
35 views

Screen resolution glitch

I am very new to Ubuntu and I just really need some help. I followed this tutorial on replacing Windows with Ubuntu on my crummy laptop I have had for ages. When the installer loaded up there were ...
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0answers
29 views

Chrome's select box broken when I'm with two displays Ubuntu 14.04

If I plug a second display to my Ubuntu 14.04, in one of them all the select box in pages open in Google Chrome appear like this: First display The same page opened in the other display appears ...
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1answer
66 views

Getting wrong resolution on old samsung monitor

Today i connected my pc with old samsung sync master 591s monitor and getting strange display resolution. My resolution is being set at 800x600 but still cant see my side panal. Well its look like ...
0
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0answers
65 views

Multiple Monitors with Ubuntu 15.10 and LenovoW521 on a Docking station

I have been fighting with setting up multiple monitors on my Lenovo using a docking station. In the end things work how I want them (two external monitors + laptop screen next to each other) but: ...
0
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0answers
49 views

external monitor flickers at 1440p resolution (Lenovo L440, Inteld HD 4600, 14.04 LTS)

I have a Lenovo L440 with Ubuntu 14.04 LTS which is connected to a Dell Ultrasharp Display via (Mini-)Displayport which I would like to run at its native resolution of 2560x1440 pixels. Unfortunately ...
2
votes
1answer
33 views

Set “default” monitor to ALWAYS run apps in it instead of display#1

In my system, there are two different monitors 2 (main) and 1 ( in right , for films or etc.). When i use #2(main), logging in and opening an app or pressing Ctrl+Alt+T key, window opens in monitor ...
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2answers
60 views

How to change monitor resolution?

I have tried to edit System settings,but it shows builtin display. My monitor is LG IPS236V,23INCH. *-display description: VGA compatible controller product: Park ...