No sound, and then update the driver has been

This is the question I have not come across before, there is the voice of the boot, after a few minutes there will be no, I would then have to update drivers, but has not had a few minutes later, (the system is installed the day before (Xinhua love sp3) ), I do not know where it is a problem.
Thank you! ! On-line, and so on ..

front panel may be a problem, you open the realtek (Control Panel), look at the audio i / o there If you plug in the back of the sound, there should be only a pair of audio icon which bright, the other is dark, what if the ear, a microphone icon is also bright, it should be a little bit of a short circuit, it is necessary to take You repair the