Abstract: A method for setting system configuration of a computer connected with a one-to-many wireless device group during booting of the computer is provided. The wireless device group includes a wireless connector electrically connected to the computer and a wireless input device and a wireless audio device: The method of the invention comprises the steps of: setting the wireless connector in a first state to form wireless connection with the wireless input device; performing system configuration setup by a user through the wireless input device after the computer has loaded a Basic Input/Output System to perform Power-On Self Test and judge that the first state conforms to a test threshold; and triggering the wireless connector to switch to a second state of forming wireless connection with the wireless input device and wireless audio device so that the computer can transmit audio data to the wireless audio device through the wireless connector.