Questions tagged as ['kubuntu']

The official Ubuntu derivative using the KDE Plasma Desktop
Score: 0
Abhishek Kamal avatar
Unable to find files and desktop settings after updating Kubuntu in the software center
pg flag

I am using Kubuntu 21.04. I just update (not upgrade) Kubuntu from default software-center. After a successful update, I tried to access my local files stored in another drive (128GB), but that drive is now empty. It had around 128GB data in it. Not only this, after this update, my all data stored in /home/abhishek/ (13GB) and /var/www/html/(50GB). was gone(may be deleted or something else). My deskto ...

Score: 1
Daniel Fern avatar
Ubuntu 21.04 165hz display stuck at 40hz
de flag

I'm trying to switch to Ubuntu on my laptop which has an RTX 3070 and Intel UHD graphics for 10th gen which I think they call GT2 graphics(?).

Ideally I want to use KDE as it's what I'm used to so I've installed Kubuntu. However, I've got the NVidia proprietary drivers installed and my laptop seems to be stuck at a 40hz refresh rate. The displays configuration lets me choose 165hz but it doesn't  ...

Score: 0
NikhilWanpal avatar
Bluetooth frequently disconnecting, sometimes reconnects in a few seconds
co flag

I am using fully patched / updated Ubuntu 21.04 + KDE 5.21.4 on Lenovo Thinkpad X1 extreme Gen 3. Kernel in use is 5.11.0-37-generic, with latest firmware for the System (0.1.17) and Intel (225.53.1649).

I am trying to use OnePlus buds Z with the laptop and they keep randomly disconnecting every once in a while. I have not seen this issue when I use them with my phone; so I believe the buds are f ...

Score: 0
Antony King avatar
How to stop maximise when dragging window to another screen?
cn flag

I have a small (1600x900) screen and a large (3440x1440) screen on kubuntu 20.04. If I have a window maximised on the small screen and drag it to the large one, it maximises to entirely fill the large screen. Being a 36" ultra-wide monitor, it's quite annoying! Is there any way to stop this? I've got all the edge effects disabled.

Score: 0
Aniruddh avatar
latte-dock not working properly in kubuntu. pls help?
es flag

I installed latte-dock a while ago, and it was working fine. A few days ago it crashed and now it doesn't zoom the icons or have any transparency, as you can see in the following screenshot. In short, it's not as good-looking now.


I have uninstalled and installed in again, but it started the same as it was before.

Can someone help me?

Score: 0
Official avatar
Black screen after installing Kubuntu 20.04
tr flag

I’m wiping my Windows 10 system with a fresh install of Kubuntu 20.04 using a bootable USB. I boot up the .iso file and Kubuntu starts its installation process. It finishes the installation and says I need to restart my PC to finalize the install.

I click “Restart Now” and the PC goes into a black screen. It stays on the black screen and nothing changes. This is my second time installing wi ...

Score: 1
Kubuntu 20.04 (UEFI) grub-update doesn't find system of a different drive (Fedora 34 KDE)
br flag

I have multiple systems installed; first, chronologically, Windows 10, then Kubuntu 20.04, then Fedora 34 KDE, and then KaOS. Fedora is alone on a second drive, with its separate EFI, but shares that with KaOS.

The configuration is thus:

Device             Start       End   Sectors   Size Type
/dev/nvme0n1p1      2048    739327    737280   360M EFI System
/dev/nvme0n1p2    739328   1001471    262144   ...
Score: 0
Lucas Luque avatar
Kernel panic - not syncing : attempted to kill int ! exit code=0x00000100
cn flag

I got this error when i tried to connect a second monitor to my laptop. I don't know what to do now. I tried booting with the previous kernel but i get the same error. What can I do? Thank you.

Kubuntu distro btw.Error screen

Score: 4
How to enable system title bar in Chrome to make it visible on every workspace?
az flag

Starting two days ago (9/22/21) on both of my Kubuntu machines Chrome no longer displays system title bars and borders. The option in settings is enabled. Disable/re-enable/reboot hasn't fixed it. All other applications display this correctly.


My machines are both Kubuntu. lsb_release -a says Ubuntu 20.04.3 LTS. Chrome is 94.0.4606.61.

I've received no responses on the KDE-users list. On the Gentoo  ...

Score: 1
tomaytotomato avatar
Is it possible to have a Bluetooth audio device in HFS (Output/Input) with high quality audio?
cn flag

I just purchased a pair of Sony WH-1000XM4s and have been impressed with the audio playback (music, calls).

However after spending an hour of configuration on Kubuntu 20.04, I cannot find any way of using the headphones with HFS mode and having high quality playback and recording.

Therefore as a current workaround I am using a separate laptop microphone as audio input and the bluetooth headset for a ...

Score: 0
Force refresh of file cache in start menu
cn flag

My disk was in need of a long overdue clean-up. I deleted around 70GB of files and folders from my disk using Dolphin (the file manager). When I now open the start menu, I still find a lot of cached files, that I have deleted, in the results. When I click on any of them, I will just get a message "Unable to run the command specified. The file or folder does not exist." After searching a bit more, I eve ...

Score: 1
How to install nvidia drivers without breaking my system?
cn flag

I have an nvidia 1050ti. Recently installed kubuntu 20.04.3 and allowed 3rd party software during installation. After installation when I try to boot it just stays loading at the splash screen after grub, so broken system right after installation.

From recovery I tried ubuntu-driver autoinstall. This allowed me to at least get to the display manager but the scale is off, everything looks small, and I ge ...

Score: 0
Xle6yWek avatar
installed shim-signed package post-installation script subprocess returned error exit status 1
co flag

I'm trying to install kubuntu 21.04 with windows on the same drive, I shrinked my D: drive for 80GB, installed iso from official site and wrote it to my usb drive with rufus.
When I got to disk setup page I selected this 80GB unallocated storage as root ('/') and after everything went ok I got popup with this text 'installed shim-signed package post-installation script subprocess returned error exit ...

Score: 0
Matthew avatar
Cannot boot into Kubuntu 20.04 LTS: CPU pipe A FIF underrun
in flag

Problem: I'm attempting to boot into a fresh install of Kubuntu 20.04.3 LTS. I get past the Grub menu screen, but I get stuck at a black screen with only one log which is this error: [drm] *ERROR* CPU pipe A FIFO underrun.

I've tried: I've tried disabling Intel C-State as described here: ...

Score: 0
Applications in fullscreen mode overlaps any other window
cn flag

Kubuntu 21.04. For example, if I put my web browser in full-screen with F11 I cannot show any other window in front of the fullscreen app. It's like the fullscreen app doesn't detect where is the focus. It's like the fullscreen app is above all other windows. How can I change this behavior?enter image description here

Score: 0
Adam avatar
Kubuntu firewall blocking internet access after downloading UI
aw flag

We've tried setting up a plex server on two occasions, and both of these times we've run into trouble where the commands for allowing ports on the firewall does not work, so we end up downloading the firewall UI from discovery.

After just downloading the application, what happens is that we lose internet access, and we have to execute :

sudo ufw reload

everytime we start these computers.

It's real ...

Score: 2
Helios avatar
How do I gather information to file this specific bug report?
by flag

I am on Kubuntu 21.04. I have a 3080 ti and nvidia-driver-470 installed through apt.

Everything works except when I try to click on the volume tray applet, or launch pavucontrol-qt directly, the entire display server crashes and I'm stuck at a black screen until I switch to a different tty and do sudo systemctl restart sddm

I'm not sure which package the bug belongs to, nvidia, xorg, or pavucontrol.  ...

Score: 0
How can I change how root applications look?
cn flag

Kubuntu 21,04. I have this icon problem in root applications, I cannot see some icons to properly handle the tool. How can I fix this? enter image description here

Score: 0
overtura avatar
Invalid Kernel Signature “Need to Load Kernel First”
mm flag

Updated my ASUS ROG Zephyrus G15 (503Q) to Kubuntu 21.04 on a second SSD. I updated to the most recent kernel 5.14.6. I followed this link exactly.

HERE is the grub menu error I am seeing. Any advice? (Also, it worked with Secure Boot off, but I would like this enabled).

Score: 0
System (often) freezes after hibernation
br flag

I'm running Kubuntu 20.04 with Linux 5.11 on Lenovo Ideapad Gaming 3 15ARH05.

Hibernation mostly works without problems, but sometimes the system freezes after resume. I can see the mouse pointer, but I can't move it. Switching TTYs doesn't work too.

Here's a kernel log I was able to get:

<3>[48338.332848] swap_info_get: Bad swap offset entry 3ff7fffffffff
<3>[48338.332854] swap_info_get: Bad ...
Score: 0
mkprnll avatar
Recently loaded Kubuntu onto my Mac. Was looking for instructions on how to boot to Kubuntu instead of Mac iOS. Please advise. Thank you!
na flag

Recently loaded Kubuntu onto my Mac. Was looking for instructions on how to boot to Kubuntu instead of Mac iOS. Please advise. Thank you!

Score: 2
Stuart avatar
How to repair broken symbolic links
lb flag

The system is using Kubuntu 20.04.1 fully updated.

I am currently trying to get an old O.U. Sense board (an SBC) up and running. I have managed to install the software for its Scratch/Squeak based IDE. However when I try to run the ide it does not run. On issuing the ldd command and piping its output into grep the system displays the following output.

kub@kub-SATELLITE-L870-18V:~$ ldd /usr/lib/Sense/* ...
Score: 0
trisct avatar
Context menu shortcut shift+f10 doesn not work for all applications in Kubuntu
er flag

I recently changed from Ubuntu 20.04 to Kubuntu 20.04 by running

apt install kubuntu-desktop

On the original Ubuntu, shift+f10 works everywhere (opening the context menu). But now it only works in some applications (chrome, gedit), but not others (e.g., dolphin).

Is there any way to configure this?

Score: 0
nebel nice avatar
Use usb 3.1 as a display output
nl flag

How can I use a usb 3.1 output as a display output? I use kubuntu and want to add a screen output and send it out via usb 3.1. How can i do this?

Score: 1
trisct avatar
In Kubuntu, how do I start a new instance from taskbar with meta+shift+number?
er flag

In Ubuntu or Windows, I can press win/super/meta+shift+number to open a new application instance that is pinned to the taskbar (the number denotes which app to open). But after I switched to Kubuntu-desktop, this combination does not work. The only thing that works is meta+number opens a new instance if no instance is already opened; and switches to the opened instance if there already is one. Addi ...

Score: 0
Raphael Jenni avatar
Multi Boot Problems (Ubuntu + Kubuntu + Windows) with LVM and LUKS
cn flag

General problem

I have (seemingly) successfully set up my system with LVM on one hard drive containing Ubuntu and Kubuntu, all encrypted with LUKS (based on the guide from, and another hard drive containing a Windows 10 installation. But it doesn't work as it should.

System Overview:

- sda
  | - sda1 Windows Recovery
  | - sda2 EFI  ...
Score: 0
Aprime avatar
KDE headset mic not working
ph flag

Recently I bought a new headset and it works perfectly on my phone but in my KUBUNTU desktop doesn't work. The audio output is great but its mic is not working while my other headphone's mic works in it. I tried a lot of ways but nothing changed.

it's kubuntu 21.04 with kde plasma. And the mic is attched directly to headset and it works fine with my mobile phone

I'd be happy if you help me. Thanks ...

Score: 1
foki avatar
Latest Kernel update renders my touchpad useless
th flag

I am using Kubuntu 18.04 LTS on a Dell XPS 13 7390. Recently I got the update needed notification and, as any other user, updated my system promptly. When I rebooted my laptop my touchpad does not work properly anymore.

KDE settings do show that I have enabled "click emulation" and "inverse vertical scrolling" but what the settings show is just not true. Neither click emulation nor inverse scroll ...

Score: 1
Peter avatar
English language GUI and german i Terminal
in flag

I have problem with my Terminal. GUI is in English, and terminal in German.. I need everywhere English. What should I do?

enter image description here

Kubuntu 20.LTS I have only a german keyboard.


piotr@Dell:~$ ifconfig

Command 'ifconfig' not found, but can be installed with:

sudo apt install net-tools

piotr@Dell:~$ which localectl

Not all message are in German O_o