While this wakes the device, the screen may remain powered off. Combine with SetSystemPowerState truly wake up everything.

    static extern int SetSystemPowerState(string psState, int StateFlags, int Options);

    Declare Function SetSystemPowerState Lib "Coredll" ( _

    SetSystemPowerState(Nothing, POWER_STATE_ON, POWER_FORCE)

    SetSystemPowerState(Nothing, POWER_STATE_RESET, POWER_FORCE)

            return SetSystemPowerState(null, POWER_STATE_ON, POWER_FORCE);

        return SetSystemPowerState(null, POWER_STATE_RESET, POWER_FORCE);