Latest Ubuntu related questions

Score: 1
Hardware acceleration in Firefox not wokring with AMD integrated GPU
hu flag

I have run into issues trying to use hardware acceleration for video decoding on Firefox 95.0.1 on Ubuntu 21.10, I am using the package downloaded from apt. I have previously set it up on my old laptop with an intel cpu (I7 7th gen) however I have failed on my new laptop with a AMD 5 5500U CPU (it also has a dedicated RX640 GPU). I tried checking if the acceleration works through radeontop, which sugges ...

Score: 1
jottbe avatar
mate desktop does not start on my ubuntu 21.10 system (lightdm doesn't start)
in flag

I installed ubuntu 21.10 and tried to replace the regular desktop by mate (I add more details below).

The current situation is, that if I boot into my ubuntu system, it displays, that it has some problem starting "light display manager" and it seems it keeps trying to start lightdm forever.

sysctrl shows the following message:

○ lightdm.service - Light Display Manager
     Loaded: loaded (/lib/systemd/ ...
Score: 0
Zakaria Zhlat avatar
Error when I run sudo apt-get update - have disco on bionic system
in flag
sudo apt-get update 
Hit:1 http://security.ubuntu.com/ubuntu bionic-security InRelease
Hit:2 http://archive.ubuntu.com/ubuntu bionic InRelease
Ign:3 http://archive.ubuntu.com/ubuntu disco InRelease
Hit:4 http://archive.ubuntu.com/ubuntu bionic-updates InRelease
Err:5 http://archive.ubuntu.com/ubuntu disco Release
  404  Not Found [IP: 91.189.88.142 80]
Reading package lists... Done
E: The repository 'http ...
Score: 1
Blobtoe avatar
Laptop shutting down unexpectedly after short while
cn flag

I've installed Ubuntu Server on an old gaming laptop, but I'm having difficulties. After running for a while, the laptop will shutdown unexpectedly, like the power cord was pulled (with the noticeable "click" of a forced shutdown). I'm not sure what is causing it, but I'm currently leaning towards overheating. When running idle, the temperatures (using lm-sensors) are around 50°C, but I've noticed t ...

Score: 0
XUbuntu 20.04 USB dongle (wireless) mouse lagging
ng flag

I tried multiple "solutions" but nothing worked. I can't try to use USB 2.0 because the laptop only has 2 usb3.0. tried:

20.04 USB keyboard and mouse lag

laggy mouse pointer in ubuntu 20.04

How can I get rid of mouse lag under Ubuntu?

Ubuntu 20.04.1 LTS GNOME 3.36.3 periodic mouse and keyboard lag

Also, it's not the screen refresh hz since the laptops touchpad is working fine.

Score: 0
rishang bhavsar avatar
How to change GNOME task switcher
us flag

How to change the GNOME task switcher?

I want to change my task switcher on gnome to a different view as mentioned in the below two images

Task switcher that i want to set.

task switcher i want

My current task switcher:

my current task switcher

The problem with my current task switcher is that I need to select below for apps having more than one window open, making my task switching experience a little bit annoying.

In the task switcher that I wan ...

Score: 2
Charly avatar
Graphics problems after upgrade from 21.04 to 21.10 [Intel 1075H UHD]
cn flag

tl;dr

  • [solved] render problems (e.g. in keepassxc) only appear when use_composite in XFCE4 is disabled (see new bug report)
  • black screen in Firefox still appears. Workarounds:
    • start Firefox with --safe-mode
    • disable hardware acceleration in settings
    • use Nvidia GPU (either prime-select on-demand or prime-select nvidia) but then hibernate does not work

(Switching to 21.10 was not a good move for me) ...

Score: 0
is it possible to install ubuntu without a CD or a USB drive?
us flag

I wonder if it's possible to install Ubuntu without CD or USB flash drive because I can't use any.

My laptop's keyboard doesn't work properly so I'm using one with USB and my laptop has only two USB ports and one of them doesn't work with keyboard and USB flash drive(but works well with a mouse, that's another problem) because of this I need to use USB drive and keyboard same time but I can't.

I tri ...

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