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Windows 7: Unreasonably slow LAN transfer speeds.

11 May 2012   #1

Windows 7 Professional x64 SP1
Unreasonably slow LAN transfer speeds.

I recently moved home for the summer and set up my HTPC upstairs running on Windows 7 with wireless N (AE1000). In the basement I have my PC running Windows 7, now on ethernet. In the middle we have an E1000 router. Transferring large files from my PC to the HTPC was at around 500KB/s. I changed the channel of the router to auto from 6 and it jumped to around 1.5-3 MB/s. I set the router to Wireless N only. I've tried various fixes from around the internet and nothing seems to help. What else I find odd is over Ethernet only to our backup storage I'm only getting around 6 MB/s. Is there any way to determine what could be causing this slow speed?

Randomly today it went back down to around 450 KB/s.

Also note, before I moved home, I had the two PCs hooked up directly by Ethernet and was getting around 80 MB/s. So it is not limited by the hardware inside the PCs. I'm guessing it's a Windows 7 or router setting that is causing the issue.

I've tried all of these, they seemed to help ever so slightly: Windows 7 Network Slow - 6 Easy Ways to Make it Fast

*edit*- Wow, this transfer is down to 290 KB/s

My System SpecsSystem Spec


 Unreasonably slow LAN transfer speeds.

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