Questions tagged [displayport]
The displayport tag has no usage guidance.
200
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Dual monitors not working on Ubuntu 22.04
I have trying to run 2 4K monitors from an HP t630 thin client. It has 2 display ports.
With some trouble I got it working on the monitors at my desk but when plugging in to the wall mounted monitors ...
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1
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43
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New AMD 6700 GPU. Ubuntu doesn't recoginize monitor connected via DisplayPort. xRandar doesn't see the ports
I bought a PowerColor Bc-2235 video card using a AMD 6700 (non-XT) GPU. The card works just fine with mi HDMI monitor, but I can't make it work with a secundary monitor connected via DisplayPort. The ...
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3rd video output(display port) wont fractal scaling independently of the hdmi output
https://askubuntu.com/a/1400572/112263
I found this question/answer that suggested using the fractal scaling option to get screens to act as if they were same size. I want this so there is no "...
- 609
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No video signal on P2419HC monitor through Dell Latitude 5430 usb-c during cold boot
my current setup is composed by a Dell Latitude 5430 laptop and a Dell P2419HC monitor. The laptop is powerd by Ubuntu 20.04.6 LTS and is connected to the monitor through a usb-c cable, I'm leveraging ...
- 101
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Monitor is not recognized after 5-10 seconds ubuntu
I had and have this problem on Ubuntu 20.04 and 22.04.
I connect laptop to external 4k monitor. In the beginning everything works ok. I can connect via HDMI or DisplayPort, everything is fine. After ...
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0
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31
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Displayport to hdmi cable goes no signal in ubuntu after 10 seconds
I bought a Displayport to HDMI cable to use my second monitor, on my b660 plus asus motherboard which has a displayport along an hdmi port. I also have igpu on cpu (intel 12400). When I connect my ...
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1
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106
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Ubuntu 22.04 sound line out always detects unplugged
Recently the OS crashed after updating. Then I tried to reinstall Ubuntu. It turns out it can't detect the audio output via the DP port.
Pulse Audio:
The speaker of my monitor works fine. The tricky ...
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2
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2
answers
890
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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
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34
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DP Alt mode USBC stops work working periodically
I have Lenovo Thinkpad P1 Gen 3.(Nvidia Quadro graphics and a video output controller.) And a Lenovo 1 wire monitor - USB-C Hub + DP Alt mode.
This setup's video (DP part) randomly stops working and ...
- 141
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83
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Displayport Not Working Ubuntu 22.04/Intel HD 4000
I am trying to connect my second monitor through DisplayPort. My first monitor is connected to HDMI port. The DisplayPort is not detected. I am new to Ubuntu.
The drivers installed.
lspci -k | grep -...
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74
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displayport on Ubuntu 22.04 with Nvidia GTX 1070
I put Kubuntu 22.04 on an Alienware laptop with Nvidia GTX 1070. It installed the drivers etc for Nvidia, version 525 (with the ubuntu-drivers command).
I have two external screens, one connected with ...
- 253
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39
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Monitor won't go over 240hz
I've got a 360hz 1080p monitor running 22.04, but if I select either the 300hz or 360hz options, it goes through some "blackish" attempts, then reverts after some time to 240hz, at which ...
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96
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Laptop with Ubuntu 20.04 does not detect 4K monitor via USB-C, Intel HD 620 Graphics
I bought the 4k monitor and I haven't been able to connect it for a week.
The HDMI port can output only 30hz for 4k, so the only hope is the type-c port
But I can't configure it in any way
My laptop ...
1
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2
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744
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Ubuntu 22.04 nvidia gpu immediately puts display port connected monitors in standby mode
Setup and Problem
I'm running a Ubuntu 22.04 with a Nvidia RTX 3070-ti with two monitors. The GPU has 1 hdmi port and 3 display ports. Whichever monitor is plugged into the hdmi slot is by the ...
- 11
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176
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How can I get full (2560x1440) resolution on my external display?
I am using AOC Q3279VWF as a monitor, but am only able to reach 1920x1080 resolution. I would like to achieve the full 2560x1440 resolution of the monitor. This is listed as an option in the display ...
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161
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Built in Camera in Dell C3422WE not recognized Ubuntu 22.04
I have a Dell Monitor C3422WE with a built-in camera and microphone (for video calls).
I have a fresh install of Ubuntu 22.04 with an Nvidia driver. The Nvidia card is connected to the monitor via ...
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235
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Notebook/docking station Ubuntu support 2 external monitors
TLDR What notebook and and docking station seamlessly supports 2 large external monitors?
My personal computer is an Asus zenbook (UX390) with "plugable" usb-c docking station.
I have a ...
- 111
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1
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909
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Displays on Thunderbolt dock stopped working
During a recent kernel update, my Thunderbolt dock (a Thinkpad Thunderbolt 3 Gen 2) stopped working. My computer (A Lenovo Thinkpad P50) still responds to the mouse and keyboard connected to the dock, ...
- 111
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80
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DisplayPort 'breaks' on boot
I am not sure if this is even an Ubuntu question as it very well could be some kind of electrical power race condition.
The connected DisplayPort stops working on boot; more details below.
My setup: ...
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906
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DisplayPort not detected on ThinkPad T14 Gen 3 with Ubuntu 22.04
I am having series issues connecting external monitors to my new ThinkPad T14 Gen3. For once it cannot detect the HDMI port at all, which is annoying but avoidable as it can detect HDMI via a dock ...
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63
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Multiscreen by DisplayPort
I have a Dell unit connected to two screen by Display Port. After first reboot, only one screen is working. The other displays "no DP signal". If I change the cable from one port to another ...
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1
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310
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Ubuntu sets refresh rate to 120 Hz automatically
I recently bought two new Dell P2723DE displays (27 inch, 2560x1440). I have them set up in a daisy chain configuration, connected to my stationary dual boot (Windows 10 and Ubuntu 20.04) computer. ...
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2
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1
answer
140
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Xrandr gives wrong info about screen connections?
After a fresh install of Ubuntu 22.04 LTS I fail to get my second screen to work. Google does not turn up much useful, nothing that has worked yet. So after spent a couple of days searching, I decided ...
user1639432
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1
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186
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DP alt mod display stopped working
After about 6 months external dell 4k display stopped working with laptop (ubuntu 20.04) via USB type C.
Since February 2022 I have setup:
Dell Lalilude 7410 with Ubuntu 20.04, with 5.13.0-35 kernel ...
0
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0
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38
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No graphical output if computer boots with monitor set to different input
My Dell 3008WFP monitor supports multiple inputs. I have two computers, an Ubuntu 22.04 machine connected to the DisplayPort input, and a Windows Surface Pro machine connected to the HDMI input.
When ...
- 294
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0
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132
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Graphics processing fast on HDMI, slow on USB + Display port
I am running Ubuntu 22.04 on a Dell Optiplex 7050 micro, with a standard Dell monitor and also a HP EliteDisplay S140u portable monitor. My Optiplex has HDMI ports, DisplayPorts and USB 3.0 ports. ...
- 535
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0
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43
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Connection to 2nd monitor via DP is recognized but doesn't display
Running Ubuntu 18.04 on an X1 Carbon with two Dell monitors connected via DisplayPort.
I've historically connected monitor 1 via DP and monitor 2 via HDMI without issue, but recently swapped out the ...
- 167
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126
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Ubuntu 20.04 with black screens temporary blinks and glitches
BUG EFFECT
Screen blinks for 2 seconds every 5 minutes or so, in a very stable pattern, besides the black screen also it has some random visual noise glitches like 1 per hour.
SOFTWARE
Ubuntu 20.04 ...
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34
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Ugly colors when secondary display connected
I have lenovo x220t laptop and when I boot ubuntu 20.04 LTS or 22.04 LTS, I get these ugly and flickering colors on my laptop screen whenever I have a secondary monitory connected to DisplayPort. The ...
0
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1
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274
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Ubuntu 22.04 displayport cutting in and out
I have Ubuntu 22.04 and an NVIDIA Corporation GA102 GeForce RTX 3080 video card. The video card has 3 Displayport outputs and 1 HDMI. I have an ASUS VE278 monitor that has the HDMI plugged in and it ...
- 231
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775
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second monitor detected but screen is black
I have Ubuntu 22.04, a GeForce 3080 with an ASUS VE278 and an ASUS VE276. Both monitors are connected with DisplayPort cables. If I run this:
$ xrandr --listmonitors
Monitors: 2
0: +*DP-1 1920/...
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92
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USB C display port only working with one specific cable
need some help understanding this:
I have a custom Laptop (Tuxedo Infinity Book s 15) with Ubuntu 20.04 installed. The Thunderbolt USB C port was working absolutely fine with my screens but all of a ...
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719
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KDE Plasma suddenly not showing display resolution above 1080p
I've been trying to get this back all night but I've failed so I thought I'd come here and ask.
I was moving my machine (HP Z240 with standard Intel graphics) running Ubuntu Studio 21.10 that was ...
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3k
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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 ...
- 121
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3
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10k
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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 ...
- 101
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0
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260
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Second monitor prevents booting on 20.04 (onboard graphics)
I am running an (almost) fresh install of Kubuntu 20.04, all latest updates applied. I completed the process on an HDMI monitor that was plugged into the motherboard (a ROG STRIX B560-F GAMING WIFI). ...
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636
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screens keep switching display port names/numbers – how to configure settings?
I have a notebook (Lenovo Thinkpad T14) running Ubuntu 21.10 (and another similar one running Ubuntu 20.4) with Xfce4 (aka XUbuntu) and a Thinkpad USB-C docking station, to which I've connected two ...
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89
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Monitor connected via eDP goes black for 1-2 seconds whenever I call xrandr
On my hardware there is only one single monitor attached at eDP-1.
And whenever I call xrandr --query the monitor turns black for 1-2 seconds, although the command completes without an error.
Also, I ...
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1
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167
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After update to 21.10, usb type-c displayport not work
After update to ubuntu 21.10, I can not connect to my usb type-c monitor
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245
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Unable to run Ubuntu Desktop GUI on Xilinx's ZCU104
I am trying to boot a Ubuntu Desktop 20.04.3 LTS image on my Xilinx ZCU104 platform. While I am able to login using the serial port, I am unable to view the GUI on my monitor. I see some boot commands ...
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321
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Unable to set 2560x1600 resolution to Apple Cinema Display 30" via Apple Mini-Displayport to Dual-link DVI adapter on 2013 Macbook Pro 13"
I'm trying to revive a dusty old 13" MacBook Pro Early 2013 (Model A1425, 2.6 GHz i5) by installing Ubuntu (20.04 or 21.10, Lubuntu/Xubuntu/Ubuntu-Mate) on it.
I have two 30" Apple Cinema ...
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201
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Unknown Display on DP-3. Only one display present
Ubuntu 18.04 LTS and 20.04 LTS show a second unknown display, which is not actually present. I have tried every related solution with no success.
I am running Ubuntu 18.04 LTS.
I have a NVIDIA ...
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2
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0
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71
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Disable log out when turning off the screen
I'm using Ubuntu 21.04 with Fluxbox as my Window Manager.
My screen is connected via DisplayPort.
The screen has multiple input ports and I often switch between different connected devices or ...
- 121
1
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0
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2k
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Ubuntu 20.04 does not detect external monitor through HDMI/DisplayPort adapter
I am trying to set up an external monitor to my laptop (Lenovo ThinkPad E14 Gen2). The monitor doesn't have an HDMI port, so I am using an HDMI/Display port adapter, but Ubuntu doesn't seem to detect ...
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189
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How to get MultiSeat (loginctl attach) to properly work with a MultiStreamDisplayPort card?
The native display on this All-in-One is the .../card0/card0-LVDS-1 and the DisplayPort attached external monitor is
.../drm/card0/card0-DP-2
Was hoping to keep the LVDS as the embedded All-in-One and ...
- 416
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82
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3 Monitors not working on kubuntu 21.04
I want to have a setup with 3 monitors.
I have a DELL precision T1650 with 32 GB RAM and + 1TB SSD.
For display, I have 2 Phillips (1080P: 1920x1080) and one BenQ monitors(1080P: 1920x1080). The 2 ...
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2
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1
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2k
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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 ...
- 292
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747
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How to change from using HDMI output to Displayport output?
i am using an ubuntu computer with the following specs:
AMD Ryzen 9 5950X
ASUS ROG Strix X570-E Gaming
Linux ubuntu desktop 20.04
PH-GTX1050-2G
Kernel 5.13.2 generic
A working HDMI 2.0 cable
A working ...
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2
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1
answer
243
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Ubuntu 21.04 freeze with display port
When i connect my monitor with display port, ubuntu freeze. Hard reboot not help because system not starting.
But, when i connect with HDMI, it's all OK.
5.11.0-22-generic - ubuntu version
GeForce ...
1
vote
1
answer
607
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How to use USB-A port for Displayport screen?
I have a Dell Latitude computer running Ubuntu which has just 1 USB-C port. I would like to connect two external monitors. On my Mac, I use two USB-C to Displayport cables and that works very smoothly....
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