I am having an issue with my son's Win7(64 bit) system. This has happened before and is not happening now again.
What I am seeing is a major bandwidth slowdown on the downstream side only. This is a wired Ethernet connection not wireless. I am on Comcast Blast with a 50 Mbps downstream.
What I am seeing if almost a year ago my son had moved out but moved back in. After connecting his Win7 system back up in the house his downstream speeds were extremely slow. I troubleshot that for days trying to figure out what was happening. I tried everything I knew to try including deleting both ethernet adapters and letting Win7 rebuilt the stack. The funny thing is his computer worked fine in his previous residence. Sometime along all this troubleshooting it began working normally again.
Fast forward...I have reloaded the OS on his machine several months ago. He moved out again. All was fine until he moved back in a week ago. Now we're seeing the same slowdown on the downstream side again. Running speed tests verify his downstream is usually around the sub 1Mbps to between 1 to 2 Mbps consistently while maintaining a 11 plus Mbps upstream. All the other computers used to test show consistent speeds over 35 Mbps on the downstream even on the same ethernet connection as his system is currently connected.
I was kinda thinking it was something gamewise he has installed in his system but since his system worked fine before he moved that doesn't seem to be the issue.
So I am wondering is there something specific about Win7 when it connects to a new network(although it has been on my network before) that may cause it to throttle down for some reason? And why only the downstream?
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