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Questions tagged [display]

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

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screen displays well on bios boot, but displays grey & black lines on OS boot

My laptop's screen suddenly started displaying grey & black lines after OS selection. BIOS & grub display just fine but after selecting the OS, it goes dark then displays grey lines. I've ...
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1answer
17 views

Black screen on bootup, after installing steam

I am getting black screen before login(that is, after the Ubuntu loading thing is done). This started when I installed steam(which installed Oibaf's drivers for display, which I cannot use). I tried ...
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10 views

Ubuntu 18.04LTS freezes with pixelated screen

My system randomly freezes with a screen looking like this. It happens inconsistently but a couple of times in 10 hours for sure. Below are the details. Please help with anything that can be done to ...
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9 views

Unable to set display orientation to inverted landscape

All I've found so far by Googling is the 'why is my monitor rotated' issues; My monitor is actually mounted upside-down (mounted under a cabinet, so upside-down makes cable-management easier) I'm ...
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1answer
21 views

Dual Monitor Setting for laptop Ubuntu 18.04

I recently switched into Ubuntu 18.04 from Windows 10 on my laptop. My goal is to connect additional monitor to my laptop. I had been using my second monitor when I was using Windows 10, so I know ...
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14 views

“Displays” app crashes even before opening

I am trying to reposition my external monitor in the Displays app. But as soon as I select the app in Search Your Computer, a loading icon shows up for a few seconds and then nothing shows up. I ...
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0answers
18 views

Lock screen turns monitor on and off

When I enable the lock screen the display starts to fade away as expected but shortly after it turns off it gets reenabled. This continues in a loop till I log in again. I am running Ubuntu 18.04 ...
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0answers
26 views

Dell Inspiron N5050 connected to the MI TV via hdmi display not synced

We have connected the Dell Inspiron N5050 via HDMI port to MI TV. Diplay is showing in the MI TV, but only the start up screen and TV is not in sync with the laptop. The left side screen is the ...
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1answer
45 views

How do I enable 1.5x scaling on a hidpi (4k) monitor on ubuntu 18.04.1lts?

I am running ubuntu on a 28 inch 4k (3840x2160) Dell display. I want to enable 1.5x display scaling like it was possible to do in previous versions of ubuntu (unity) or at least make the window title-...
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0answers
23 views

Strange characters displayed after awakening from regular sleep Ubuntu 18.04

After awakening from a regular sleep in Ubuntu 18.04, I often notice strange characters bugs in the Gnome interface. I link screenshots to this post. The only way I found to fix it is to perform a ...
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1answer
56 views

Dell Inspiron N5050 have display problem Xubuntu 16.04.3

We have installed Xubuntu 16.04 in the Dell Inspiron N5050 laptop which is showing display problem. Ubuntu screen is showing the following message and started blinking continuously. modem-manager[...
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28 views

Connecting two external monitors stopped working in Ubuntu 18.10

Until a few weeks ago, I was using Ubuntu on my laptop with 2 external monitors, one connected with VGA, the other with mini-DVI (Ubuntu 18.10 on a Thinkpad X250). After an automatic Ubuntu update a ...
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17 views

Dell D6000 DisplayLink dock blanks screens

after a period of time that ranges from minutes to hours, the two external displays i have will go blank. everything else connected to the dock still works. I'm running ubunu 18.04 on an Acer A515 ...
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0answers
47 views

HDMI not working (Ubuntu 18.04)

Hello I am using Ubuntu 18.04 $ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation HD Graphics 630 (rev 04) $ xrandr Screen 0: minimum 8 x 8, current 3200 x 1080, maximum 32767 ...
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25 views

Project to external monitor but return to laptop screen if there's a power issue

If you use Windows 8.1 or 10 there is a menu Project where you can find these options PC screen only duplicate extend second screen only Since I use a laptop with an external 120hz monitor I always ...
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0answers
9 views

Unable to install Ubuntu on PC which just supports HDMI display

I have Samsung ART PC, which supports only monitors connected over HDMI cable. When I tried to install Ubuntu 18.10/18.04/16.04 all of them went blank on installation wizard. I could find some past ...
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0answers
33 views

Thinkpad x61 with Mint 19.1 connecting to TV but NOT to projector [migrated]

I have a Thinkpad x61 that I plan on using to teach at university. It comes with a tablet screen and stylus. When using Xournal, it allows me to write notes and create narrations very effectively! ...
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0answers
19 views

blank screen after suspend/hibernate on 16.04

My desktop always shows blank screen after suspend, while audio and other functionality is fine. Strangely, when I hibernate my desktop, it would be succeed first time. Second time, that is, hibernate ...
1
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1answer
51 views

Ubuntu 18.04.1 LTS only one resolution available

I have an XPS13 with an Ubuntu 18.04.1 LTS running on it. It has a Intel Corporation HD Graphics 5500 integrated graphical card. Everything was fine till the last reboot (before the reboot I have ...
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0answers
14 views

move key lock indicator to left side

I have installed indicator-keylock in Ubuntu 16.04. It works well. However, I want to make a small change. The indicator appears usually in upper right corner of display, but I want to move it into ...
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0answers
27 views

Ubuntu 18.04.1 no longer detects 2560x1440 on external display

So it appears Ubuntu is no longer recognising my monitor (AOC q2790pqu) as a QHD monitor and won't allow a resolution higher than 1920x1080. The weird thing is that this was not an issue until ...
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1answer
27 views

External monitor not working with MacBook Pro 2011 and defect graphic card

I have a MacBook Pro 2011 (8,2) which suffers from the infamous graphic card problems. I've successfully installed Xubuntu 18.10 by disabling the Radeon graphic card via Grub and EFI partion. I am ...
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1answer
751 views

Is Ubuntu compatible with laptops that have touch screen features? [duplicate]

Is it possible to install and run Ubuntu on a laptop with touch screen features?
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42 views

White line on top of the screen flickering on 1920x1080

I just installed ubuntu and everything seems to work just fine except for the white line on top of the screen that keeps flickering, especially when I'm using a web browser. I tried to change the ...
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0answers
32 views

Please Help - Cannot use nvidia card in Hybrid System

Laptop: Lenovo Legion Y730 15' with Ubuntu 16.04 LTS (64-bit) Specifications: Processor: Intel® Core™ i7-8750H CPU @ 2.20GHz × 12 Graphics: Intel® HD Graphics (Coffeelake 3x8 GT2) Graphics: nVidia ...
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0answers
60 views

Apple Thunderbolt Display on Ubuntu 18.04.1

Running latest LTS Ubuntu on a new Intel NUC I'm trying to get my Apple Thunderbolt display running. Since the NUC has TB3, I bought a TB3 to TB2 adapter. The display does not fire up, and neither ...
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0answers
21 views

Mirror displays, with main display portrait-configured

I'm setting up Ubuntu 18.10 one step at a time on my Jumper EZPad Mini 3, a cheap Chinese Windows tablet. I've already made it to initial usable status (WiFi/BT works) and now I'm testing multi-...
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0answers
41 views

Dell XPS 15 - applications don't scale in Ubuntu 18.04

I'm currently stuck with the scaling of my external monitor. This is my setup: Dell XPS 15 9570, 4k display, nVidia Geforce 1050Ti, running ubuntu 18.04. nouveau disabled 1x external monitor ...
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0answers
25 views

Radeon assigns wrong numbers to dual displays. Possible to switch monitor order in system level?

I have two monitors: M1 and M2. M1 is on the left and my main monitor, M2 is on the right and my secondary monitor. AMD graphics card somehow assigns display1 to M2, and display2 to M1. Due to ...
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0answers
57 views

Second monitor Ubuntu 18.04

So I just put Linux on an Asus laptop with a GTX 1050 graphics card, and I want to add another monitor. I have one using the HDMI port, and the other I'm trying to get to work via USB adapter. I have ...
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0answers
19 views

How to force a virtual monitor to be always secondary?

Created a virtual display so VNC can work when there is no physical display: /usr/share/X11/xorg.conf.d/20-intel.conf: Section "Device" Identifier "intelgpu0" Driver "intel" Option "...
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0answers
19 views

Issue with image alpha channels in Chrome, but dependent on the monitor

I'm at a complete loss as to where to find an answer for this, so I thought I'd try here... I noticed recently that some images with alpha channels are displaying incorrectly. However, I just ...
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0answers
33 views

Issues with booting ubuntu with hybrid display bios setting (integrated intel + discrete nvidia)

I recently installed ubuntu 12.04.5 LTS, and noticed that the only way I can even boot the OS is by changing my display setting in my BIOS - using the 'Discrete' instead of hybrid setting. Because my ...
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2answers
46 views

Ubuntu 18.04 cannot recognize monitor

The attached image shows that Ubuntu cannot recognize my display, and there is only one resolution to choose. Monitor: LG 38CB99 3840*1600 Graphic card: RTX 2080ti I tried to install the Nvidia-390 ...
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0answers
24 views

Camera hotkey popup not displaying after update Ubuntu 18.04

On my Lenovo laptop I have a button to activate/deactivate my camera, just as I do for increasing/decreasing brightness, volume, muting mic, enabling/disabling touchpad, etc. The camera button still ...
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0answers
43 views

How to change orientation of built-in display in Ubuntu 18.04? [duplicate]

I have a somewhat unusual setup for my computer at my desk: I use an HP Spectre x360, which I connect to an external monitor, which allows me to have two screens to use. Due to space limitations I ...
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0answers
22 views

dekstop change colors after few seconds after upgrade to ubuntu 18.04

after upgrading to ubuntu 18.04 my screen colors get oversaturated. for the few seconds I can see 'normal' desktop and then it changes to sth like this (link): have any of you met this issue? could ...
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0answers
17 views

Can't Open Display error when trying to set resolution at startup

I connect with my Ubuntu 16.04 headless box from my Windows machine using TeamViewer 14. The default resolution is 1024X768 and this is dictated by my Linux machine. I have finally figured out a ...
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0answers
16 views

lspci -k | grep -A 2 -i “VGA” does not list Nvidia graphic card. Ubuntu goes to black screen after login for few minutes

lspci -k | grep -A 2 -i "VGA" should show both Intel and Nvidia graphic card but lists only intel. ubuntu-drivers devices though lists the nvidia 340 driver recommended. Tried all the solutions about ...
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1answer
28 views

Installed Ubuntu 18.04.01 LTS and my screen is flickering/cutting/glitching

My screen flickers/glitches/cuts whenever I move something on the screen especially when I'm scrolling, or something happens in Firefox (ads that move) here's how it looks Here's a pastebin with ...
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0answers
23 views

I have a Ubuntu (18.04) with two monitors, one 3840x2160 (4K) and one 1920x1080, but there are problems with the two displays

I have a Ubuntu (18.04) with two monitors, one 3840x2160 (4K) and one 1920x1080, but there are problems with the two displays. I want the 4K display to be scale of 200% and scale of 100% 1920x1080 ...
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0answers
15 views

2nd Monitor showing distorted image in native resolution using Ubuntu on laptops

I’m having trouble with a second monitor on laptops using Ubuntu or Ubuntu based Distros: If connected over HDMI (only option) with my 27” samsung monitor, it is displayed as samsung 7”, the image is ...
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0answers
56 views

Xubuntu: screen does not wake up after being locked

I run Xubuntu on a Dell Latitude E6530 laptop with Intel graphics. Ever since upgrading to 18.10 cosmic, the screen remains blank (and powered off) after being locked. Moving the mouse or pressing ...
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0answers
42 views

2nd monitor with VGA-DVI adaptor recognised but no signal detected

I am using Ubuntu 18.04. Graphics: AMD Rv710. The first monitor connected via HDMI works fine, however, the second monitor connected via VGA-DVI does not. Screenshot below shows that the second ...
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0answers
11 views

Inverted screen in ubuntu

I have installed Ubuntu 16.4 on my PC (Lenovo miix 320 ) , but I have problem with the inverted display . Can someone help me please
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0answers
22 views

Parts of an app in Ubuntu 16.04 doesn't obey display scaling

I've set the display scaling to 2 and most apps scale accordingly. There's a particular software "COMSOL" that apparently scales, but there's a graphics window, which is for in-app visualization, that ...
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0answers
24 views

Restore Primary Display in Ubuntu 18.04

I change my primary display on external LCD for a bigger monitor in the office. After going back home, I found that my laptop primary display is still on the external LCD. The "set primary display" ...
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0answers
64 views

Ubuntu won't detect second monitor on HDMI

So, as the title says, my Ubuntu doesn't detect my second monitor on the HDMI port of my laptop. I know it's not a hardware problem, since it does work perfectly on my Windows (dual boot). It did work ...
3
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1answer
69 views

Bionic Beaver settings menu items missing

Can you tell me where my power, display and other buttons are? Ubuntu 18.04, gnome-control-center is installed
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0answers
23 views

Display crashes

I'm running Ubuntu 18 in Virtual Box, I have core i7 7th generation, amd r5 430m 2gb, 8gb ram