Running Ubuntu Linux kernel 5.4.0 & Enabling Network in Dell Optiplex 5000

  Initial procedure for Kernel Switching to 5.4.0 in Dell Optiplex 5000 Go to bios change storage > sata/nvme operation > AHCL/Nvme and also turn-off secure boot. Download & Install the kernel file 5.4.0-84-generic Hardware enablement :   sudo apt-get install --install-recommends linux-generic-hwe-20.04 BIOS Update :                                                     sudo apt install fwupd sudo service fwupd start sudo fwupdmgr refresh                                                     fwupdmgr get-devices fwupdmgr get-updates sudo fwupdmgr update Install the linu...