When you click the "Maximize" button in the upper right corner of the window while running a VirtualBox virtual machine, you might expect the application to enter full-screen mode. However, this ...

How to Make VirtualBox Machine Display in High Resolution. When you install a virtual machine with VirtualBox, the guest operating system does not use a high resolution display. This is the ...

Fine-tuning Head to the "Devices" menu at the top of the virtual OS window (if you've accidentally gotten into full-screen mode, hit right-Control+F to switch out) and choose "Install Guest ...