Dear Techspot, Today, I worked my daily works by using my computer and turned off after finishing my works. 1hr later, I turned computer and found out that my "Boston, BA745" did not turn on. I tried unplug everything and reconnected everything several times but it did not work. Also, I tried to check "Device Manager" to check the statue of Sound driver; it worked corretly. Do you think my speaker is broken ? I need your feedback about this problem; I mean is there other way to check speakers ? If the speakers were broken and I have to buy new one, please recommend the best speaker. I prefer lower price about $60.