I have one Windows 7 machine that I use as a "server" in my home (it's Windows 7 ultimate, with a shared drive).
I'm not a novice, but I am having a strange problem with it. MOST of the time pulling data off that machine through the shared drive is VERY slow. This is a relatively new development.
For example, I connect to it from my work PC downstairs (they are on the same subnet). there is significant latency when I browse folders on it, and copying files off of it is not really possible. I also use RDesktop to control it once in a while, and screen redraws take 20-30 seconds.
On the other hand, if I go up there and RDesktop back in the other direction, everything appears fine. So it appears to only be Upload; also it looks like it's only a local problem, as when I run internet speedtests I get 7Mb upload from it.
I know what you are thinking: Check the router. So I went ahead and swapped in a known-good 1GB switch. Same problem. So it's on the PC side of things.
It's a new system with a new motherboard, so I am not sure if this is a software issue. I am ready to get a new network adapter, but I was hoping that wasn't necessary.
(I am about to go try a wireless adapter and see how that works).