Questions tagged [usb-c]

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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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22.04 Suspend fails with USB-C

Suspend worked perfectly with 20.04. Suspend now fails with 22.04, if there is a device plugged into the USB-C (TB4 port) or there was a device plugged into the USB-C/TB4 port in the past. In other ...
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Dell Precision 5560 randomly stuck at boot

I have a new Dell Precision 5560, running Ubuntu 22.04 (Dell distribution), with nvidia-graphics driver 510.73.05, using the prime performance mode. My setup is a 34" screen connected to a usb-c ...
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Kubuntu keeps losing external monitors

I have two monitors, one is plugged into the HDMI port of the laptop, another is plugged into an HDMI adaptor which is plugged into a USB-C port. Right now both monitors aren't working. If I unplug ...
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Multiple displays not displaying 4k resolution correctly

I'm currently moving over from Win11 to Ubuntu with the goal of it becoming my daily driver. But I'm having a strange issue with how the screen resolution is being handled. Specifically if I change to ...
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Screen blackouts and disconnects using USB-C

I have a ThinkPad T480s laptop connected to a Dell P3222QE 32" 4K monitor via USB-C. I only use the external monitor and have disabled the laptop screen. I use 4k at 60 Hz and run Ubuntu 22.04. ...
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USB-C hub with HDMI output not working

I recently bought a USB-C hub (QGeeM USB C Hub Multiport Adapter, 7 in 1) that has a HDMI port so I can use two monitors with my Thinkpad E15. For some reason it's not being auto-detected and I can't ...
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Fail to install dkms, librm-dev for DisplayLink drivers to implement USB-C multi-monitors

I've been stuck on this for about 2 days What I'm trying to do is update my Ubuntu 20.04 so that I can use DisplayLink in my USB-C Gen1 so that I can use more than one monitor since my laptop only has ...
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2 answers
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Unsuccessful upgrade from 20.04 to 21.10

I have just upgraded from 20.04 to 21.10. It uninstalled a few programs (eg. Tex Maker), a few packages previously installed but what is the most annoying my 3rd monitor stopped working. I have one ...
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Monitor connected through USB-C dock not detected

I have an HP Pavilion 14-dv0000sl, which has a USB-C w/ SuperSpeed and DP1.4 output (confirmed through the manual, and the USB-C port itself having the SuperSpeed and DP/thunder icon). I have bought a ...
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Second monitor not working via USB-C [duplicate]

When I search online, I saw a couple of similar issues but most of them are with Dock station. I am not using a dock, I am using HDMI to USB-C cable. HDMI part connects to the external monitor and USB-...
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Ubuntu Linux doesn't recognise my external monitor on USB-C

I'm using Ubuntu 21.10. Recently, I the USB-C monitor (the HDMI is still working), it use to work with 5.13.0-35-generic but after another upgrade it doesn't work anymore. Can anyone help? More ...
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Three Monitor Setup with P2419HC + Intel graphics using daisy chain

I'm trying to daisy chain three Dell P2419HC displays to my ThinkPad X1, but the third display doesn't accept the desired resolution of 1920x1080. Setup looks like this: System i7-1165G7, Intel Iris ...
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External HDMI monitor does not work via USB 3.0 on Ubuntu 20.04

;tldr ThinkPad X240 USB 3.0 port > USB-C adapter > USB-C dock's HDMI output > HDMI cable > external HDMI monitor = the monitor is not detected I need to connect my older ThinkPad X240 to ...
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Ubuntu 20.04 not detected as bootable device with USB C anymore but USB A still works

I am using Ubuntu 20.04 LTS on an external SSD. Since some weeks it does not show up as bootable drive anymore when I use USB C but with USB A it still works. It is the same behavior on my PC (3 years ...
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Tablet android as a second display - NOT wifi just via usb c

I'm new to Ubuntu! I was looking for a solution to connect my tablet as a second screen and my laptop with ubuntu via usb c. I found some solutions in this forum but only with wifi connection. Details:...
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High CPU Usage using USB-C Monitor with Ubuntu 21.10 and ASUS ROG G14

I'm using Ubuntu 21.10 all updated as of today. Ive got an AMD ROG G14, it have NVIDIA and AMD GPU My cpu is jumping like crazy when I connect my micro USB monitor 16122 yoram 20 0 25.8g ...
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Second external monitor does not work via USB-C to HDMI adapter

I'm using Xubuntu 21.10. I have an ASUS Zephyrus G14 laptop with two video cards. One integrated on the AMD Ryzen 9 5900HX CPU and another one Nvidia RTX-3060. I have an external monitor connected to ...
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LG Ultrafine 24MD4KL-B not charging via USB-C (Thunderbolt)

I'm running Ubuntu 20.04 on a ThinkPad P14s Gen 1 with internal 4K display. I'm currently running the Intel Mesa drivers on X11, but the behavior I'm about to describe is the same with the proprietary ...
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2 votes
2 answers
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Ubuntu 21.10 external monitor via USB-C will only mirror, not extend

I have a Thunderbolt 4 laptop and I purchased a USB-C to HDMI apadter. In ubuntu, the display will only work on mirror mode, and not in extended mode (Join Displays). I have a nvidia card on the ...
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Cannot connect external monitor via USB-C

I'm trying to connect my monitor(Huawei mate view gt) to the Asus laptop(tuf fx506he). This is a dual boot machine, I have both Windows and Linux. The monitor can connect with type-C in windows, but ...
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Ubuntu 18.04 loosing USB-C displays & USB devices

So I have the following setup - Alienware m15 R3 with two Dell U2719DC displays (first display is feeding the other via display port/MST) attached via USB-C/Thunderbolt 3 port. First of the displays (...
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Touchpad stops working and system ultimately crashes after plugging in USB-C device

After I plug in a USB-C device (at least two that have occurred this week, a VGA adapter, with and without the VGA plugged in, and an adapter which I plugged an SD card into) my touchpad becomes ...
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External USB-C monitor flickers / blinks randomly

I regularly use an external monitor, connected through USB-C/thunderbolt to my laptop. It usually works flawlessly, but every now and then (between a few weeks or a few days), the monitor starts ...
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Applications cannot start or close

I'm using Ubuntu 20.04 and just came across a very strange issue: I was developing an asynchronous application in PyCharm while I noticed that the application that I was debugging did not terminate. ...
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3 votes
1 answer
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USB C-type hub HDMI weird colour

I recently bought a USB-C hub to be able to connect all my desktop devices (including a monitor) to my laptop at once (plus wired internet). It works great, but I immediately noticed that since I'm ...
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How to display laptop charging speed

I have a laptop that charges via USB-C and it can be charged by connecting it to the USB-C port of my desktop. But I would like to know at which wattage. Is there a command to display at which wattage ...
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UBUNTU 20.04 simply switching from USB-C to HDMI Did not work

I have an intel nuc that has a USB-C port and and an HDMI Port. When i switch from USB-C to HDMI I get a black screen on my My HP LCD monitor. When I am connected to USBC I use a cable with USBC on ...
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USB C Charging Stopped When Xubuntu 20.04 Boots

When I have my HP (Elitebook 830 G6) turned off and plugged in via the USB-C port, everything is fine: It charges. As soon as I turn the laptop on and the process passes GRUB it immediateley stops ...
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Ubuntu 21.04 usb c not working

I have an issue since last week : none of my usb c ports are working. What I tried so far : plug in an iphone cable => iphone is not charging plug in an usb c hub with an external monitor => ...
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Dock multiple monitors Ubuntu 20.04 LTS

I have an Asus ROG Strix laptop, specifications below. Standing screen display size ‎15.6 Inches Screen Resolution ‎1920 x 1080 pixels Max Screen Resolution ‎1920 x 1080 Pixels Processor ‎4.4 ...
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Laptop external monitor not working

I just got a framework laptop and I installed Ubuntu 21.04 and everything has been working great so far. The only thing is I can't get it to recognize an external monitor I have. This is the monitor ...
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2 votes
1 answer
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External device does not support DP alt mode even after fresh OS installation, ASUS ZenScreen

I have a ZenScreen ASUS MB16ACE works properly in WIN10 and before it worked in Ubuntu too, maybe 2 weeks ago or so it stopped with some update. I decided to re-install OS but problem continues When ...
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1 vote
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Monitor goes black when I open setting in GNOME

I have a Yoga 7i that I have connected to a monitor through USB-C port extension to a monitor that supports HDMI. When I click on settings in GNOME, the monitor goes black similar to how it would look ...
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IOGear KVM (GUD3C04) - No keyboard after switch to Ubuntu

I have an IO Gear KVM, model GUD3C04. Its connected over USB C to (1) Macbook via Caldigit TS3 docking station and (2) Intel NUC. I have a Logitech MX Master for Mac Bluetooth mouse that works great ...
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Ethernet over USB-C not working when plugged in after boot

When my USB-C adapter, which contains a LAN port, is plugged in while the system boots, everything works fine. However, when I boot up the system and plug it in afterwards, the system does not ...
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XPS 9510: Thunberbolt 4 power and USB-C power via a Dock simultaneously

I have the XPS 15 (9510) running Ubuntu 21.04 connected to power via one of the Thunderbolt 4 ports on the left site, occasionally I connect on the right side of the laptop (USB-C), a small dock that ...
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1 vote
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USB C DP Alt Mode

Is there any way to tell if the USB-C port on my laptop will support DP Alt Mode? I've contacted the supplier but not had any reply. I am running Ubuntu 21.04 with kernel 5.11.0-25 ...
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Displaylink driver does not work since last update on August 15th 2021, after update and display config changes -> System freezes

[UPDATE] I also tried the Displaylink driver version 5.3.1 from 5th of may 2020. No Monitors externally are detected! So less functionality! I tried this version as well, 'cuz I installed the last ...
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Issues with Ubuntu 20.04 and the LG 27UK670 LCD connected via USB-C/TB 4

I've been having some issues with various machines of similar specs connected to identical 4k lcd's. The issues would manifest as the screen blanking out randomly for 1-5s and then reappearing and ...
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455 views

Unable to connect external monitor via usb-c

I've been having issues getting the external monitor via the usb-c display interface working. I've tried running under kernel 5.4, 5.8 and 5.12.16 on Ubuntu 20.04, and also tried 5.13.1 after ...
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How to debug USB-C Power Delivery?

I have a laptop that supports USB-C Power Delivery, a ThinkPad T470. Charging it via a Lenovo USB-C power cable works fine, so USB-C PD works in general on this laptop. I also have a monitor with USB-...
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USB-C Charging via Dongle/Dockingstation on Ubuntu 20.04

I'm using the I-Tec Docking Station / Dongle on a Dell Latitude 7480 running Ubuntu 20.04. The laptop supports charging via USB-C and when plugging in the power supply directly into the laptop it ...
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USB-C HUB UGREEN 9-1 not working (works on Windows)

The hardware: Customized Intel Whitebook USB-C HUB UGREEN CM212 The laptop has a Thunderbolt 3 USB-c port. The hub works really well in Windows 10, the HDMI transmits the image at 144 Hz. However, ...
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Ubuntu 20.04 freezes when plugging in usb-c screen

So I have a Lenovo x1 extreme gen2 that I have connected to a dell u3419w screen. This has worked fine for over a year. Since the screen is USB-C I can easily plug in my laptop and automatically my ...
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USB-C charging stopped working when computer is turned on

I have an issue with HP Pavilion laptop running kubuntu 20.04 - today it stopped charging via USB-C cable. USB-C still works fine, I connect my phone and laptop can charge my phone and open files, but ...
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USB-C dock or adapter to 2x or 3x HDMI for Dell XPS 13 9300

Is anybody aware of a working USB-C to 2x or 3x HDMI adapter or dock for the Dell XPS 13 9300 and would be able to recommend any option to buy? I am using Ubuntu 20.04. Any help or suggestion highly ...
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Connecting multiple monitors through USB C adapter

I am using a USB C adapter with my laptop which has Ubuntu 21.04 installed. I am only able to use one HDMI cable at a time and cannot connect two HDMI cables at once. I am able to connect multiple ...
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Ubuntu 20.04 - USB-C to DisplayPort and issues with kernel log

I'm trying to connect a DisplayPort monitor on a laptop through a USB-C connector. However, it does not work. I'm using Ubuntu 20.04, uname -a: 5.8.0-50-generic #56~20.04.1-Ubuntu SMP Mon Apr 12 21:46:...
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3 votes
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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 ...
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