Questions tagged [displayport]
The displayport tag has no usage guidance.
204
questions
30
votes
8
answers
68k
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 ...
- 301
27
votes
11
answers
16k
views
Lagging box around mouse cursor on Ubuntu 17.04 and nvidia driver
I have a Laptop with a GeForce GTX 1050 Ti. Additionally, I have connected two displays to my Laptop via Displayport and installed the nvidia driver via sudo apt-get install nvidia-384 nvidia-settings....
- 428
16
votes
4
answers
35k
views
Displayport 1.2 MST/daisy chain - Dual Monitor setup - Intel graphics
I am running ubuntu 13.10 on a desktop system and I have 2 monitors that I am trying to connect via Displayport's 1.2 multi-streaming support.
The system is equiped with an Intel Core i7-4770K ...
- 283
13
votes
2
answers
3k
views
Ubuntu support for 5K (Dell UP2715K): adjusting details
I've recently purchased a Dell UP2715K which has a resolution of 5120x2880 and have installed ubuntu 15.10 to go with it. The UP2715K is connected to a GeForce 960 GTX (2 displayport cables since 1 ...
- 131
11
votes
1
answer
35k
views
USB display adapter with linux/ubuntu drivers?
I want to use my external monitor's resolution fully (2560x1440) with a USB display adapter for my laptop. I have one with Windows drivers, are there any adapter with linux / Ubuntu drivers that can ...
- 141
9
votes
3
answers
19k
views
OS freezing with dual monitors on Ubuntu 22.04 LTS
I have a fresh install of Ubuntu 22.04 on a new laptop, with no other OS installed. When I connect to my monitor with the laptop open (so that the built-in display is active) everything freezes - I ...
- 111
9
votes
1
answer
3k
views
Ubuntu crashes when setting maximum resolution on external 4K monitor
Problem
When attempting to set the resolution of my 4K external display to 3840x2160, the external display loses signal and moments later the entire system hangs.
The display is connected to my XPS ...
- 91
7
votes
2
answers
5k
views
Audio starts playing 3-5 seconds after video does
I've installed Ubuntu Studio 16.04.1 LTS on my pc (ASRock X99 Taichi, i7 6800k, GTX 970, DisplayPort to iMac as monitor), my first experience with Ubuntu/Linux. I haven't installed any third party ...
- 213
6
votes
1
answer
4k
views
Displayport Sound Delay on Ubuntu 20.04/20.10
I have decided to try switching to Ubuntu in a dual-boot scenario with Windows 10, and things work perfectly overall, but I have encountered one bug that really ruins the experience. I get my sound ...
- 113
6
votes
2
answers
23k
views
How do I know if I will be able to daisy-chain monitors? (connect two monitors to 1 DisplayPort)
I am planning to use Surface Pro 2 with a dock station as my main computer and I would like to connect two external monitors to it, but the dock station only contains a single DisplayPort socket. ...
- 8,300
6
votes
5
answers
15k
views
Thinkpad w540 w/ Ultra Dock only one external monitor works
I have installed Ubuntu 14.04 on this Lenovo ThinkPad W540 laptop, and everything appears to be working ok by itself. Today I received my docking station to which I intended to hook up 2 external ...
- 103
6
votes
1
answer
10k
views
Using DisplayPort with ThinkPad and DockingStation does not work
I have a ThinkPad x230 in a Mini Dock Plus. It is connected to two ThinkVision displays.
Currently I'm using DVI, as I have had trouble using DisplayPort:
Ubuntu is a current 12.10 installation, the ...
- 163
5
votes
1
answer
6k
views
Intel graphics and DisplayPort: *ERROR* failed to train DP, aborting
I'm on a Lenovo t450s and Xubuntu 16.04. When I connect a monitor via displayport and enable it e.g. using xrandr, nothing shows on the screen (except "no signal"), and the following message shows up ...
- 51
5
votes
2
answers
9k
views
Resolution 2560x1440 not available with new DisplayPort to HDMI adapter
I am having problems setting up a right resolution after changing HDMI->DisplayPort adapter (converter).
My setup:
laptop HP Folio 9470m running Ubuntu 18.04.4 LTS (system is up to date, no pending ...
- 231
5
votes
1
answer
4k
views
Ubuntu 18.04.1 freezes when connecting to a second screen
Everything worked fine until yesterday :) I use a mini-DP to connect to my screen for over a year now. Now, when I connect the cable it recognizes it (so I see the Ubuntu background in the screen and ...
- 161
5
votes
1
answer
3k
views
Help getting mini-DisplayPort external monitor working on Lenovo T440s ( Intel HD 4400)
I have the following setup:
Lenovo T440s running Ubuntu 15.04 (upgraded from 14.10)
Asus PB278Q (supports DisplayPort 1.2)
AmazonBasics mini-DisplayPort to DisplayPort cable
System information:
$ ...
- 363
5
votes
0
answers
2k
views
I'm unable to set 2560x1440 resolution on Intel HD 5000 using Displayport with PG278Q
I've just installed Ubuntu 14.04 LTS and I'm unable to get the monitor working.
Screen works fine in BIOS and the same machine when booting to windows (before installing Ubuntu).
I have tried the ...
- 51
4
votes
2
answers
1k
views
Connecting Laptop to External Monitor with DisplayPort returns Power Saving Message
I'm wanting to connect my laptop to a monitor using the DisplayPort, however when I do this I get a "Entering power saving" message, followed by a blank screen.
Monitor: DELL U2515H
Laptop: Asus ...
- 191
4
votes
1
answer
14k
views
Dell XPS 13 2015 Ubuntu compatibility (Displayport/MST)
I just bought an Dell XPS 13 2015 (9343) whose Linux (installed Ubuntu 14.04 LTS (Trusty Tahr)) support seems to be quite disappointing at the moment. Before spending money on new equipment I would ...
- 485
4
votes
1
answer
4k
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 ...
- 71
4
votes
1
answer
7k
views
Configure 27" 2560x1440 for a monitor with corrupt EDID
I am trying to get a monitor work with my Ubuntu laptop. The monitor is this cheap 27" Korean monitors which has a 2560x1440 resolution -- and nothing else. Here are some specifications of this ...
- 819
4
votes
3
answers
9k
views
How to enable a daisy-chained DisplayPort monitor via USB-C?
I'm running Xubuntu 20.04 on an HP Elitebook 845 G7 which has an AMD Ryzen 7 PRO 4750U with Radeon Graphics. I've been trying to use two daisy-chained DisplayPort monitors (Dell P2421DC) connected via ...
4
votes
1
answer
1k
views
External monitors randomly stopped working together this morning
I have been using a Dell xps 15 9560 laptop with Ubuntu 16.04 since the 9560 was released. In December of 2018, I received two Dell U2717D monitors and have been connecting them to my laptop so that I ...
- 43
4
votes
1
answer
5k
views
Ubuntu 20.04 does not detect monitor using type-c DisplayPort
I'm using Ubuntu 20.04.2 LTS
Laptop DELL G3 3500
Graphics card: NVIDIA Corporation / GeForce GTX 1650 Ti/PCIe/SSE2 (from system settings)
I've used to connect my second monitor using type-c ...
- 41
4
votes
0
answers
2k
views
External monitor flickering with usb-c dock displayport / vga
Hardware: lenovo thinkpad e480 laptop (intel+amd hybrid graphics) + lenovo thinkpad usb-c dock + dell u2415 monitor. Bios / dock firmware: latest versions installed
If external monitor is connected ...
4
votes
0
answers
8k
views
Daisy chain of two monitors through DisplayPort does not work on Ubuntu 16.04 LTS
I have just installed Ubuntu in an attempt to migrate to Linux, but I can't get it to handle two monitor setup.
One monitor connected to DP works alright (Dell U2715H).
When I connect the second ...
- 141
4
votes
0
answers
2k
views
Which laptop for Ubuntu 16.04 with 4k external monitor? [closed]
I've been doing a lot of research but I can't seem to find an answer to this question.
A plethora of laptops exist that do work well with Ubuntu; that I know. Some even include a builtin 4k monitor ...
- 424
4
votes
1
answer
2k
views
X1 Carbon Mini Display works with External Monitor but not Projectors
I have an X1 Carbon 2014 model, and everything seems to work great on Ubuntu 14.04. Recently now I've had to use it twice to give a presentation, and both times it's failed to detect the VGA projector....
- 151
4
votes
1
answer
1k
views
Mini Display Port and Ubuntu 14.04
Did someone manage to use the mini display port instead of the hdmi port of a laptop (with ubuntu 14.04) ? I use bumblebee and my laptop has a nvidia card. I already posted a remark in this thread ...
- 2,142
3
votes
1
answer
2k
views
DisplayPort out for 2560x1440 screen on MacBook Air (mid 2012)
I've got a MacBook Air (mid 2012) and I want to install Ubuntu 12.04 on it and I'd like to use it with a 2560x1440 Samsung 27" LED SyncMaster S27A850T screen with a mini DisplayPort to DisplayPort ...
user45171
3
votes
1
answer
1k
views
Audio over Displaylink USB 3.0
I have a DisplayLink USB 3.0 to DisplayPort adapter, connecting a Thinkpad laptop running Ubuntu 18.04 to a DisplayPort monitor. When I installed the DisplayLink Ubuntu driver and now the video on ...
- 251
3
votes
2
answers
7k
views
xrandr not showing my VGA port, instead it lists DP1
OS Ubuntu 16.04
Videocard Intel HD graphics 530 Skylake GT2
When I run xrandr the following is displayed.
Screen 0: minimum 8 x 8, current 1920 x 2160, maximum 32767 x 32767
eDP1 connected 1920x1080+...
- 31
3
votes
1
answer
2k
views
Enabling sound over HDMI / DP
My sound over displayport was not working and looks like it is a known problem with Nvidia graphics cards.
Here the alsa report where I can see that only the HDA Intel module is loaded.
To fix it, ...
- 936
3
votes
1
answer
7k
views
How to turn on DisplayPort
I have Thinkpad T430 with NVIDIA NVS 5400M and Intel HD Graphics 4000.
I installed the bumblebee and nvidia-current, but Ubuntu still doesn't recognise external monitor connected DisplayPort
- 31
3
votes
1
answer
7k
views
Ubuntu 12.04 does not recognize HDMI and displayport outputs in Dell Precision M4700
I've just bought a TV/monitor and when is connected to my laptop by DP output nothing happens. It only shows a log saying "There is no signal coming from your computer". The same for the HDMI output.
...
- 31
3
votes
0
answers
2k
views
Restart a Display-Port with the command line
Sorry if this has already been answered in some way before, but I was wondering if there was a way to restart a DisplayPort from the command line to put it simply. I've read some other similar ...
- 31
3
votes
0
answers
1k
views
19.10: Black screen & no GRUB when connecting DisplayPort to GTX970
The PC is connected via DisplayPort cable to the monitor. When I power on the PC, I can see the BIOS messages. When it comes to displaying the GRUB menu, the screen turns black and nothing happens.
...
- 31
3
votes
0
answers
1k
views
Dual monitor display problem
I have two identical monitors, but only one is recognized correctly, the other one fails to show the correct screen resolution.
The cold facts:
OS: Ubuntu 18.04 (community theme on wayland)
PC: HP ...
- 31
3
votes
1
answer
770
views
Two monitors, two DP-connectors, Ubuntu sees those as one
I have a IBM ThinkPad in a dockingstation. Attached are two monitors (default resolution: 1920x1200) via two DisplayPort connectors.
The laptop have Nvidia/Intel chipset, but I only using Intel. ...
- 136
2
votes
2
answers
2k
views
Displayport MST, secondary monitor stuck in sleep-mode
I have a desktop running Ubuntu 19.10 LTS with a GeForce GTX 970.
I have two Dell monitors U2515H and a U2713HM, the 27" is setup as primary monitor.
The connection is PC->U2515H->U2713HM, with DP1.2 ...
2
votes
1
answer
3k
views
Displayport over USB-C stopped working - faulty drivers?
My laptop (Dell XPS 13, 9350) has a single USB-C port, which I am used to connecting to a docking station which is in turn connected to peripherals (USB devices, audio, display, power supply). One day ...
- 302
2
votes
2
answers
7k
views
External monitor not detected on 13.04 on a Dell XPS 13 via Mini DP [duplicate]
I upgraded my Dell XPS 13 Developer Edition laptop from 12.04 to 13.04 and now it seems the Mini Display Port isn't working at all. I've tried using an Apple-branded Mini DP to VGA adaptor and a ...
- 3,394
2
votes
1
answer
7k
views
No sound through DisplayPort
I can't get sound on my desktop. My setup looks like this:
Graphics Card -> (Display Port) -> KVM Switch -> (Display Port) -> Monitor -> (3.5mm connector) -> Speakers
When I boot my ...
- 141
2
votes
1
answer
478
views
Ubuntu gets frozen when turn on second screen
I have a desktop computer with GPU GeForce 1050 with one HDMI and one Display Port. I want to connect my screens each to each port so that one will be showing a desktop, and other will be an extension ...
- 53
2
votes
1
answer
10k
views
Multiple displays in Ubuntu/XUbuntu - Displayport with Adapter (DisplayPort to 2x DVI) + ATI Graphics
I want to be able to use the DisplayPort on my laptop hooked up to a [DP to (2) DVI] adapter to drive two external displays (both using DVI).
This is the adapter I have:
http://www.startech.com/AV/...
- 239
2
votes
1
answer
4k
views
How to choose between HDMI and displayport sound output using radeon free drivers
My graphics card is a
VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Turks XT [Radeon HD 6670/7670]
I'm using open source drivers and have 3 screens plugged in, using DVI, HDMI ...
- 121
2
votes
1
answer
5k
views
How do I connecting my Dell E6410 to a TV via DisplayPort?
I am a week into getting used to linux using Ubuntu 12.04 and I am really impressed with it.
I'm having a bit off\ difficulty connecting my Dell laptop to my digital tv using the displayport. I know ...
2
votes
2
answers
2k
views
My HDMI/DISPLAY port Audio stopped working on Ubuntu 22.10
I've been using Ubuntu 22.10 for quite some time, my HDMI/Display port audio always worked until yesterday when it suddenly stopped working.
I guess some automatic update happened and now the driver ...
- 243
2
votes
1
answer
3k
views
HDMI + DisplayPort, both monitors detected, DP has no signal
I installed Ubuntu 20.04.1 on an Intel NUC10i7FNH.
I connected two identical monitors, one on the HDMI port, a second with DP-HDMI adapter on the DisplayPort (Thunderbolt).
Sometimes this works as ...
- 163
2
votes
2
answers
2k
views
High-res tiled monitor support, 5120x2160, LG 34WK95
I have a new Dell Precission 5540 laptop that I connect to my LG 34WK95 display. In windows I get the full 5120x2160@60hz resolution, but in Ubuntu the best I can get is 3440x1440. The monitor is ...
- 495