How does the multimedia platform buzz off?
If this sounds and the power amplifier to the speaker audio line is disconnected, a single speaker test terminal power amplifier, if there is a terminal of the voice is normal, put a few temporary routes are connected to the above with. If not, the power amplifier repair.
The main source of noise in the multimedia platform is the computer and the power amplifier. These two things are long and the fan will not turn smoothly. Your classmates may turn off the power amplifier when you don't have any noise. There will be no noise.
If you press the mute button on the center panel and the sound, disconnect the audio line between the power amplifier and the central control (if the computer goes directly to the amplifier). This sound is gone, that is, the central control problem, the audio line directly connected to the computer to power amplifier.
1, can press the mute button in the control panel, if not, is a computer sound card or even between computer controlled audio line, dial inserted or inserted into the front of the computer, if the line of the problem, change the line.
