VirtualBox is a lifesaver for anyone who wants to tinker and experiment with different operating systems. Using a CD or disc image is easy in VirtualBox, but it's handy to know how to boot from ...

Perhaps they referenced this guide to create a bootable Live USB on Windows, allowing them to test drive something like Ubuntu without making any changes to their PC.

Another even simpler way involves creating a bootable USB flash drive with a fully functional copy of Ubuntu installed.

USB filters in VirtualBox allow you to automatically mount USB devices in VMs running in VirtualBox. To set up a VirtualBox USB filter, right-click on the VM and go to USB.

Jack Wallen walks you through the steps for enabling PXE boot for virtual machines in VirtualBox.

Learn how to fix FATAL, No bootable medium found, System halted error in VirtualBox. It occurs if the ISO file is not attached to the virtual machine.