Latrobe, what is the advertised speed of your Internet connection? Bizman addressed the networking side rather thoroughly, but he didn't mention the cable side. One trick that not too many people know about is how to see the signal performance of their cable modem. Point your browser at 192.168.100.1. That should take you to the status page of your cable modem.
Check your send and receive signal strengths. The receive strength should be 0 dBm optimally. If it is less than -5 dBm or more than 15 you're not going to get your best speeds. The transmit strength should be above 30 dBm. If any of these are way off you could have problems.
If the receive strength is too low, check all of the cable connections and make sure the cables are firmly attached to the connectors and the connectors are tightened. Also make sure that there aren't a bunch of splitters between the cable modem and where the cable enters the house. Ideally there should be only one splitter between the modem and where the cable enters the house.
If the receive signal is too high you can get a splitter with a bigger signal drop. Most splitters have a 3.5 dBm drop, but you can find them with higher values. Whatever you do, don't put an amplifier in between the cable modem and where the line enters the house. That will cause all kinds of grief.
That's something I'd like to confirm myself. I think if I remember correctly we were promised 2, maybe 3, Mb/s download speeds but I have never seen it higher than 1.32. Where exactly in my router status page can I look that up?
BTW, I did a complete uninstall and reinstall of my network adapter yesterday. The game "seemed" to play a bit smoother but from past experiences I am not going to get my hopes up thinking it's going to stay that way for very long.
I also checked the cables and it's running cat 6 from the router to the wall, and cat 5 from the wall to my computer. It's not very far from the router to my computer either, less than 20 feet into the other room.
EDIT: Ah! I think I found it.
Down Stream Path Transmit Power is 6.2 dBm, Up Stream Path Transmit Power is 9.9 dBm.
Is Margin (dB) or Line Attenuation (dB) something I should be looking at too?