Latest Ubuntu related questions

Score: 1
Subod avatar
Ubuntu MATE - Resolution stuck at 640x480
in flag

I have just installed Ubuntu MATE and my resolution is stuck at 640x480. I have tried using both xrandr and the video settings to change this, but 640 is the only option I see.

Here is a screenshot showing the problem and some details from xrandr:

Details

Score: 0
Huion WH 1409 (2048) Graphic Tablet: something went wrong. uclogic, digimend-dkms; xsetwacom etc
cn flag

I search for a solution to get the Tablet: HUION WH1409 (2048) to work.

I`m from germany and not nativ english talking. Sorry for that.

on some search results i found some information for digimend solution. /or wacom driver for Xorg.

When i write the Section to identify, my kde plasma background screen runs black, but desktop applications run all fine.

i will provide a dmesg output and some other informat ...

Score: 0
CD86 avatar
how to securely erase disk I am currently on?
in flag

I am going to sell my notebook and want to erase my 256GB SDD before so that data cannot be restored under any circumstances.

Using tools like shred and dd I can do that with certain partitions which I am not currently running my OS from.

But since I only have one partition on my notebook, I am wondering how/which tool I can use to safely erase/overwrite the content?

Score: 0
Unable to suspend/shutdown from graphic interface
cn flag

after recent CPU change (from Ryzen 3 to Ryzen 5) I am unable to suspend from the top right -> Power Off/Log Out -> Suspend. The login screen is shown and when I log in - all my applications are closed.

Ubuntu 20.04.3 LTS
GNOME 3.36.8
X11
All available software updates are applied.

Sometimes after Suspend, when the login screen is shown - the monitors go off, but the PC is still running and when ...

Score: 0
sAdamingo avatar
Built-in screen blinking in ubuntu Ubuntu 20.04.3 LTS after recent update
in flag

I have a problem with blinking screen (suddenly goes dark for few ms every 2-3 seconds) after recent updates. It's not present all the time. Scenarios when it happens: -after unplugging external monitor, -after waking up from suspension, -always in user choice menu after boot.

I have an AMD + NVidia

01:00.0 VGA compatible controller: NVIDIA Corporation Device 1f95 (rev a1)
    Subsystem: Lenovo Device ...
Score: 0
How to add a script to launch bar?
mu flag
bas

From multiple topics on this forum I distilled the following approach:

  • copy an existing .desktop file from /usr/share/applications to ~/.local/share/applications
  • manipulate the file to your needs
  • give the file executing rights
  • hit windows key to open up available applications
  • type the specified name in the newly copied .desktop file, and drag it to launcher bar

Any wrong conclusions/interpretation ...

Score: 0
Can't use my kinect 2 for skype and zoom but it works with ffmpeg
in flag

Hello ubuntu lovers,

I have compiled and loaded the kernel driver module "gspca-kinect2" on the github below because I wanted that my kinect 2 was detected as webcam for skype,but it did not work. The commands that I have issued are explained here :

https://github.com/tduck973564/gspca-kinect2

To recap :

wget -q -O - https://raw.githubusercontent.com/tduck973564/gspca-kinect2/master/install-webca ...
Score: 0
MDoe avatar
How can I find out the cause of a flickering display?
gb flag

it may have been a coincidence, but after a recent upgrade I noticed that my display started to flicker (How do I revert the last installed updates?). In accordance with the advice I received for my previous question, I am now looking for the root of the problem.

When does this occur? It occurs when I am away from my laptop for a while or I close the lid. So, the lock screen appears and sometimes  ...

Score: 1
Ubuntu 21.10 changes resolution, now screen unreadable
mu flag
bas

sorry for the poor quality question. Forced to type from mobile.

I am working on ubuntu for 2 week, without any problem. I have lenovo ryzen 7 laptop. Connected a displaylink usb c docking. Managed to get that to work using wayland.

Today, I worked on my laptop, disconnected from docking so on laptop screen. Some app was not scaling properly, so i changes the resolution from 3840x2160 to 1980x1020,  ...

Score: 0
Mag avatar
Initramfs unpacking failed: Decoding failed on dual boot Ubuntu 21.04 with Windows 10
pl flag
Mag

I have installed Ubuntu 21.04 (Hirsute Hippo) as dual boot with Windows 10 on Lenovo ThinkBook 15 G3 ACL, AMD RYZEN 7.

I had issues with installing the WiFi on Ubuntu 20.4 so I had to upgrade to Ubuntu 21.04 and it worked properly.

The dual boot was working properly for a while until I could not login to Ubuntu anymore and the boot drops to a (initramfs) prompt/Busybox and shows the following messag ...

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