I have an interesting issue with my network. I have been with my ISP (Comcast) for over a year. For the first 9 months I was renting their modem (I don't remember the model). In my environment I had the Comcast modem, and my personal Dlink router. I had my desktop hardwired into my router, and for some time I also had my computer wired to the Comcast modem. I purchased a Surfboard sb6141, after setting all of that up my computer (desktop) stopped working. It indicates that the network cable is unplugged. I have tested different cables and different computers on this same port and they all work fine. That led me to believe that something was wrong with my on board network.. During this time, I was considering changing my ISP (CenturyLink), I did so for about a week and decided to cancel because I wasn't pleased with the speeds I was getting, and I wasn't quite sold on DSL. My wired computer worked perfectly fine on that network.. I started to mess with my duplex settings changing it from "Auto Duplexing" to "100mb full". I managed to get it to work on that. However, it will stay connected for 3 days or so, and then I have to changed it back to Auto, restart computer, than change it back to 100mb full. (This isn't always successful). When it comes to networking, I'm not that well educated. I am baffled at what is going on, and desperate to find an answer. So my question is, why does my computer work fine in other environments, and with the other modems, but why is it so finicky with my new modem?
Windows 7 64 bit
Custom build
Windows 7 64 bit
Custom build
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