I have several DisplayLink external monitors. I want to use them in my virtual machine also. But every time when I try to run my virtual machine all external displays become black. Only when I shut down virtual machine the displays start to work properly.
DisplayLink drivers conflict with Parallels video driver.
Parallels Desktop does not support the DisplayLink drivers at the present time.
If you have the issue with BSOD after DisplayLink drivers installation in Windows, please follow this article: Virtual Machine crashes with BSOD 0x10e on startup