Patent ID: 9201680
Filing Date: 2015-12-01
Classification: G06F

Abstract:
1. A method comprising: receiving from a guest operating system of a virtual machine, by a hypervisor that is executed by a processing device of a first computer system, a first signal that indicates that the hypervisor is to notify a host operating system of a second computer system to refrain from executing a command to dim a video display of the second computer system, wherein the first signal is transmitted by the guest operating system when the second computer system is communicably coupled to the first computer system and output of the virtual machine is visible on the video display; transmitting by the hypervisor, in response to the first signal, a second signal that notifies the host operating system to refrain from executing the command; and setting a flag in response to at least one of the second computer system becoming communicably uncoupled from the first computer system or output from the virtual machine no longer being visible in the video display.