Call your ISP, and demand a credit. Continue to call and complain, until they fix the LOCAL node on your part of the network! If it drops while queuing, then you need to contact them. If it bleeps for a second, call them and complain.
If you are in a region that was just devastated by storms, continue to complain, but be patient, as some might not even have power!
You are paying for a service, and you should get what you pay for!!!!! Until your provider has isolated their issues, we will just be spinning our wheels in the mud trying to trouble shot PC hardware and network devices that aren't on a stable network!