Unable to start Virtual Machine - EFI Boot

Symptoms

The virtual machine loads with some EFI Shell commands:

Cause

EFI Boot is enabled in the virtual machine configuration.

Resolution

For Parallels Desktop 13 and newer versions:

1. Make sure that the virtual machine is shutdown.

   NOTE: To shutdown a virtual machine use the following menus from the top menu bar: Actions > Shut Down or Actions > Stop.

2. Open your virtual machine's configuration. Then go to Hardware > Boot Order and expand Advanced Settings section.

3. Copy and paste the following system flag:

   vm.bios.efi=0
   

   

4. Close configuration window and start the virtual machine.

For Parallels Desktop 12 and 11:

1. Make sure that the virtual machine is shutdown.

   NOTE: To shutdown a virtual machine use the following menus from the top menu bar: Actions > Shut Down or Actions > Stop respectively.

2. Open your virtual machine's configuration > Hardware > Boot Order > Advanced Settings > Uncheck Use EFI Boot option:

   

3. Close configuration window and start the virtual machine.