Anyone using cable comcast?

[obi-1]

@DC300M01

You can unplug the power to your cable modem for a minute or two. I know this fixed my dad and uncle’s cable.

Yeah. That worked at the shop, too.
The comcast website has a lot of troubleshooting tips as well.
(When your cable is down, this won’t help.)

http://www.comcast.com/customers/faq/FaqDetails.ashx?ID=2456#power