I checked through about 50 or so posts before I realised that maybe no one has had my issue recently, or maybe I'm just missing something.
Anyway recently my LAN was just set up between 2 computers, an older one that had been running fine when LAN'ed to another computer and a newer one, that we only just recently received of an uncle of mine.
The newer one is more powerful while the older is weaker and to start with we had the issue that has been fixed many times in this forum, Limited or no connectivity. We used static IP addresses changed around a couple of LAN cards and got them connecting. They still connect, by definition, now but the newer computer doesn't seem to receive enough data from the older to make it of any use.
This is from them both being on the same amount of time, at the same time, and not reseting or messing with the connection.
Example. Warcraft III LAN games, either computer can set up but the game wont show up for the other computer unless they leave the LAN games Menu.
Network adapters they are using
Old: VIA PCI 10/100mb Fast Ethernet Adapter
New: Realtek RTL8139 Family PCI Fast Ethernet NIC
Please Specify if you need to know anything more to be able to help and I will do what I can. I would be overjoyed if someone can help and in case you need to know these computers aren't used for anything except gaming.