Hi! I have the -530 surround speaker system. This morning I woke up to find that the speakers did not work. We had a 10 second power outage during the night and wonder if that may have done something since they worked fine the night before. I have used Driver Easy to update all my drivers, but when I go into device manager/sound Logitech speakers is not even listed?! The green light on the main speaker is not on. I plugged a set of headphones into that speaker and I have sound from the headphones. I am a 67 yr old disabled widow that is pretty much homebound and I need my speakers to work so I can enjoy life. Can you please help me ASAP. I would really appreciate it! Thank you!!