To install Ubuntu Desktop on your laptop or PC you’ll need:
-A laptop or PC with at least 25GB of storage space.
-A flash drive (at least 12GB).
No bootable image found, notebook will be shutdown
Choose UEFI BIOS mode, it was originally configured to legacy BIOS mode.
Devices (laptop or PC), that have Windows operating system, are normally configured to legacy BIOS mode, but for Linux operating system (e.g. Ubuntu) must definitely change and select the UEFI BIOS mode.
Save Changes and Exit