When it comes to working with virtual machines, pressing Ctrl+Alt+Delete is a common task for IT administrators. The challenge is that, due to the nature of the virtual environment, the standard key combo may not work. Fortunately, there are several methods to press Ctrl+Alt+Delete in VirtualBox.
The first method is to press the \Host key\ which is usually the right-hand Ctrl key. For Windows users, the host key is the right-hand Ctrl key, while for Mac users, it is the fn (function) key. After pressing the Host key, the user can then press the Alt and Delete keys in sequence, just as if they were pressing Ctrl+Alt+Delete on a physical machine. This should bring up the Windows Security dialog box, allowing the user to log in or access task manager.
The second method is to use the VirtualBox menu. To do this, the user should select the \Devices\ menu from the VirtualBox window and then choose \Keyboard\ from the drop-down list. This will bring up a \Keyboard Settings\ window, from which the user may press the \Ctrl+Alt+Del\ button. This will then send the Ctrl+Alt+Delete key combo to the virtual machine, allowing the user to log in or access the Task Manager.
The third method is to use the keyboard shortcut. This is a handy method for users who use the same virtual machine often. To use this method, the user should press the right-hand Ctrl key, followed by the F1 key. This will bring up the \VirtualBox Manager\ window. From here, the user can press the Ctrl+Alt+Del button, which will then send the key combo to the virtual machine.
Finally, the fourth method is to use the VirtualBox command line. To do this, the user should open a command prompt window and type in the command \VBoxManage controlvm [name of VM] keyboardputscancode [key combination]\. This will send the key combination to the VirtualBox virtual machine, allowing the user to log in or access the Task Manager.
In conclusion, pressing Ctrl+Alt+Delete in VirtualBox is a common task for IT administrators. Fortunately, there are several methods for doing so, including using the Host key, using the VirtualBox menu, using the keyboard shortcut, and using the VirtualBox command line. By using one of these methods, the user can quickly and easily access the Windows Security dialog box to log in or access the Task Manager.