Workaround ==========
Soon after booting, run the following commands-
sudo systemctl stop systemd-udevd systemd-udevd-kernel.socket systemd-udevd-control.socket
sudo systemctl start systemd-udevd systemd-udevd-kernel.socket systemd-udevd-control.socket
It solved all the problems in my Dell laptop.
Workaround
==========
Soon after booting, run the following commands-
sudo systemctl stop systemd-udevd systemd- udevd-kernel. socket systemd- udevd-control. socket
sudo systemctl start systemd-udevd systemd- udevd-kernel. socket systemd- udevd-control. socket
It solved all the problems in my Dell laptop.