"DC Fan" Computer experts point out that there will be such a problem, there may be up-circuit problem; the problem is where to find the step by step, I have engaged in more than nearly three decades of network transmission, the experience is concerned: most problems? on the user's "cat" ADSL; because the cat is small, it is not the main emphasis on the user, a phenomenon often seen in the summer heat, the main question is: (ADSL) long-running fever without work, solve the heat problem it. Now a computer expert to teach you computer cooling is not dropped, as long as we hold to their computer miniature fan, then smooth on the Internet, no longer is down.