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

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0
votes
1answer
8 views

Unknown display

I recently acquired myself another display for my computer, unfortunate it had VGA access and my computer only supports DVI. So I bought a converter from VGA to DVI. My problem now is that, when I ...
0
votes
0answers
6 views

What does display UNCLAIMED mean?

Having added a second video card to my computer I am having difficulties getting it to work. I have connected a television to this second video card, but I don't get any signal on the television. ...
1
vote
0answers
6 views

Mouse cursor flickers and disappears, unknown display in display settings

I've just installed Ubuntu using the most recent ISO from online onto my desktop Computer. I have an AMD Radeon 6770 Graphics Card. The cursor keeps flickering and disappearing on the screen. I also ...
18
votes
9answers
22k views

Change Primary monitor

How do I change my primary monitor without using the command line?
7
votes
1answer
714 views

Display problem when adjusting brightness in ubuntu 12.04

Recently I installed Ubuntu 12.04 on my Dell 1554 laptop. I was adjusting my screen brightness when this happened : this has become a recurring problem which is really annoying. I also want to ...
0
votes
0answers
13 views

Screen is too small, doesn't fit into screen?

My screen model is an ASUS VG248QE and it's 1080P, 24" Monitor. The scale of the screen was perfect until I've installed the fglrx (AMD Drivers because not sure if it's the correct spelling) the ...
2
votes
1answer
7k views

How to reset display settings in XFCE \ Ubuntu 12.04 and also flgrx drivers

I recently upgraded to Ubuntu 12.04 and since I hate unity I installed the Xubuntu package and am using XFCE instead. Since I have a Radeon HD5770 I also installed the fglrx drivers. This all went ...
2
votes
4answers
675 views

DisplayPort monitor not detected if switched off and on again

I am running Ubuntu Desktop 14.04 on a desktop PC with a Nvidia GTX 660 connected to a HP LP2475w 24" monitor over DisplayPort. It boots up fine, but if I switch off the monitor and switch it on ...
0
votes
0answers
19 views

My Macbook has two “Built-In Displays”

I just installed 14.04 on my Macbook Pro 8,2 and I noticed that I have two "Built-In displays". Some applications open on the second display with no way to get to them. If I disable either display, I ...
1
vote
0answers
22 views

Ubuntu can't detect my second monitor

I know that there were already several people with the same problem, but I couldn't figure out how to solve this problem myself. I am a complete beginner with Linux and Ubuntu (I am using 12.04) and ...
0
votes
0answers
57 views

Booting to black screen ubuntu 14.04.2

Please Help. When I boot up I just get a black screen that never goes away. I tried booting ubuntu in recovery mode and it said: display adapter :[FAIL] ( something like that show up). It could be ...
1
vote
1answer
4k views

“drm:[drm_crtc_helper_set_config] *ERROR* failed to set mode on [CRTC6]” during install

I have a desktop PC which I built a while back. It has an Athlon XP 2500+, 2.5GB RAM, and an Nvidia (PNY Verto) Geforce 6200. I removed the CD drive to add another hard drive so I install from a USB ...
1
vote
2answers
32 views

Ubuntu VM display not loading correctly on iMac 5k

I'm trying to install Ubuntu (14.10 64bit) on my iMac 5k. After creating the VirtualBox VM [10GB, 2Gb mem], I load the Ubuntu ISO, and then the VM display is all over the place (see below). It seems ...
0
votes
0answers
18 views

Consistent graphical issues damaging my Ubuntu experience

I recently switched from Windows to 100% Ubuntu. So far everything has been an improvement except consistent graphical issues which just happens to be the single most important factor (can't see ...
0
votes
0answers
30 views

2560x1440 HDMI monitor stuck at 1920x1200 resolution

SONY laptop SVS151190X with Intel IGP: 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) Linux 3.13.0-45-generic #74-Ubuntu SMP x86_64 x86_64 ...
5
votes
3answers
3k views

Change the brightness adjustment interval

So whenever I hit my dim/brighten keys on the keyboard, a notification bubble pops up with the screen brightness. All that's fine, but I would like to be able to change how much the brightness changes ...
1
vote
2answers
5k views

phpMyAdmin - Display all queries

I have installed a fresh desktop with ubuntu quantal and the following packages versions: MySQL: 5.5.28-0ubuntu0.12.10.1 Apache: 2.2.22 (Ubuntu) phpMyAdmin: 3.4.11.1deb1 I would like ...
2
votes
5answers
2k views

Istat menu 3 of Mac equivalent?

With Mac, I have istat that shows computer info (memory/cpu/network ...) in real time. Does Ubuntu has similar application?
0
votes
1answer
97 views

Setting display on iMac 5K Retina

I'm currently running ubuntu within Parallels Desktop on my 27" iMac 5k Retina Display. Within the Display preferences in ubuntu, the resolution is "locked" as "Built-in Display" and the resolution is ...
1
vote
2answers
68 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
11 views

How can I adjust the LCD display color temperature? [duplicate]

I'm installing (X)Ubuntu 14.04 on a Dell Latitude E6520. Because the display on this laptop is super blue instead of white I need to tweak the color of the display. The Windoze driver has an easy RGB ...
0
votes
2answers
34 views

use laptop monitor connecting to my old desktop(which is without monitor)

I want to use my laptop monitor to work on my old pc, which has no monitor. I have all devices keyboard, mouse, connected to my old computer cabinate, running ubuntu. I have only VGA & USB support ...
0
votes
0answers
16 views

Changing VGA cable reduces resolution

Already posted on superuser.com here but thought of increasing visibility, hence reposting. I just changed my VGA cable and Debian says my maximum resolution (in display) can only go upto 1024x768. ...
0
votes
1answer
108 views

Ubuntu 14.04: Cannot change screen resolution

I know there are many questions with the same topic, but no solution seem to apply to my case... I'm on Ubuntu 14.04 on a Toshiba Satellite L735 laptop. My xrandr output is: Screen 0: minimum 8 x 8, ...
0
votes
0answers
64 views

External monitor works fine, but laptop shows black screen (even though it is detected)

I have quite a weird problem: a few months after successfully using Ubuntu, the laptop screen went black. After some attempts to fix it, I have discovered that when I plug in an external monitor, I ...
0
votes
0answers
38 views

The same monitor shows up as two displays

I have a monitor plugged into my Dell Latitude running Ubuntu 14.04. I have the problem that my monitor shows up as two separate displays. But it is actually showing only one of the displays. And ...
0
votes
0answers
13 views

Turning the brightness down makes screen brighter

My brightness slider is the wrong way around! For example when I drag the brightness slider to its lowest my display is at full brightness and when I drag it further it goes dimmer. I am running ...
0
votes
1answer
28 views

Fonts / Resolution are coming as stretched

I am using Ubuntu 12.04 from the past one year and i like the system. Suddenly now the system settings somehow changed and all the fonts in all places of system [in desktop, in browser, in text ...
0
votes
0answers
45 views

Ubuntu 14.04 LTS error “could not apply the stored configuration for monitors”

I have installed the Ubuntu 14.04 LTS on vmware 10. In Ubuntu display settings the OS was not detecting my monitor and was showing unknown display. By using few commands online I added a new ...
0
votes
2answers
241 views

Installed Ubuntu 14.04.1 on DELL Vostro 3445 but display is jerky

I have installed ubutu 14.04.1 on dell vostro 3445, but screen transitions, movements are jerky (not smooth). What ca be the remedy?
0
votes
0answers
38 views

Nomachine headless connection and dummy display

Sorry for the in-code-tags links, but this is my first post here. I am trying to use windows 7 to connect to a machine running ubuntu 14.04. I installed NoMachine according to: ...
1
vote
1answer
35 views

Split large resolution into 2 desktops

I am trying to find a solution to a limitation we have with a split DisplayPort to 2 monitors. It creates a single display across each monitor. As far as hardware goes our hands are tied since we ...
0
votes
1answer
56 views

2 pc, 2 monitor: Switching between extended screen and two separate screens

I have two computers and two monitors: My primary computer: computer1, is hooked into two monitors: monitor1: primary monitor and monitor2: secondary monitor. The second monitor, computer2 is only ...
0
votes
1answer
39 views

How can I get rid of unknown display?

I was messing with the display options, and seriously messed something up. Now my display looks like this: I don't see any obvious solution in the display settings. How can I fix this? What ...
7
votes
1answer
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, ...
1
vote
2answers
3k views

Ubuntu won't do 1920x1080

Both my monitors (one over DVI other over HDMI) have a native resolution of 1920x1080 (16:9) but the only two options for resolution in the "Display" section of system settings are 800x600 (4:3) and ...
0
votes
0answers
74 views

NVIDIA X Server Settings only show one huge screen

My current laptop features dual graphics. I am trying to set screen resolution using the NVIDIA X Server Settings application, but it only show one huge screen, which is composed of my external ...
0
votes
0answers
45 views

Monitor Samsung with bad resolution in Ubuntu 14.04?

I have a Dell laptop connected with the second monitor. I have the following specifications of my NVidia card: sudo lshw -C video PCI (sysfs) *-display descrição: VGA ...
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 ...
1
vote
1answer
45 views

Where are the display configuration files in 14.04 LTS?

My display configuration has become corrupted. It takes longer to start Ubuntu than usual, and I notice the monitor is flickering multiple times, like when it is changing video modes. Since I first ...
0
votes
0answers
31 views

How to reduce screen resolution when X does not report any?

I have a Acer XB280HK display and NVIDIA card. Since Linux is not ready for 4k resolution yet, I don't want to be using it on my desktop. I want to set 1920x1080. This works in Windows with 120Hz ...
5
votes
2answers
3k views

Nonexistent display (Unknown Display) messing things up

I've been cracking my head with this one all day, read all there is to be read around the issue (not much to be found on it to be honest: some questions, some blog posts and some unresolved tickets) ...
10
votes
7answers
2k views

Ubuntu Desktop shifted to right

I am using Ubuntu 12.04 (precise) Kernel : 3.5.0-18-generic I am encountering a strange problem, my whole desktop has shifted to right. This happened after I restored my system, I was getting a blank ...
0
votes
1answer
12 views

Disconnected external monitor stays the primary monitor after disconnecting

If I disconnect my external monitor, simply by unplugging the HDMI connector, Ubuntu seems to think it is still there. Windows stay there, and and if I open new windows they are shown there, ie I cant ...
0
votes
0answers
19 views

Missing letters in menus and folder names

The names of my folders and the menus are not displayed correctly (even the tabs names in firefox). A lot of letters are missing. When cross over with the mouse pointer, part of them are correctly ...
-1
votes
0answers
26 views

14.04 blackscreen after login occasionally

about 3 months ago i installed 14.04 cleanly from a live usb, duel booted on a week old dell windows 7 laptop with intel graphics. more recently, immidietly after first pressing the change display/f1 ...
0
votes
0answers
24 views

Display error on 14.10

After a break I want to use Ubuntu on my primary PC again, but after the installation of the 14.10 version, something interesting (and annoying) happened. When I move the cursor, this happens. When ...
1
vote
1answer
762 views

Power manager GUI settings (not to shut down the display) are not followed

I want my laptop not to turn off monitor when on AC power under any circumstance. And yet it becomes dark after a while - 10 minutes I guess. I think the Xfce GUI settings involved are these here: ...
3
votes
3answers
3k views

How to reset KDE / display settings after a move to a new machine

I've recently upgraded my hardware to a new laptop, and installed the latest kubuntu build on the new machine. Various advice here and elsewhere led me to hope that I could bring all of my KDE ...
0
votes
2answers
55 views

Export $DISPLAY value in Shell script

I am trying to Print the value of $DISPLAY under my Shell script. I have Following shell script which Exports the DISPLAY: #!/bin/sh export DIPLAY=:10.0 Here, each time I need to change the Value ...