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Win 7 slow file transfer speed
I've been having a lot of problems trying to get effective file transfers working between Windows 7 machines in my home network. I have a desktop machine running Win 7 64 bit, and a laptop running Win 7 64 bit also.
The laptop has a Realtek wireless NIC (120 Mbps). My desktop uses a Dlink DWA-552 NIC (300 Mbps).
The router is a Linksys WRT610N situated in the middle of the house, broadcasting both 5 GHz and 2.4 GHz signals.
The NIC and the router are both running the most recent firmware.
The main way I've been testing is by taking a 1 GB file, and placing it into the Documents folder on my desktop, and then using Homegroup on the laptop to try and grab the file, and put it onto the C: drive of the laptop.
All I've been able to get is 65 KB/s. This is with the same NIC and router that I was using on a pair of older WinXP machines just last fall. With those two machines, which were running on like 4 or 5 year old hardware, I was able to transfer that 1 GB file in about 8 and a half minutes. With Windows 7, that same file takes about 9 hours (according to Windows.....I've always killed my attempts after the first hour of waiting for the file to move).
I've been reading, and some people have posted online about McAfee being part of the problem....on Vista at least. So, I told a friend/business associate about my problems, and he commented he's having the same issues with Windows 7, which is a problem as he's a programmer, so often needs to deploy large files to client servers...which takes forever now. He was using Panda AV however. He tried disabling Panda AV, and his speed jumped up.
I tried disabling Resident Shield for AVG Free on both computers, and then rebooted both. My transfer speed jumped to about 200 KB/s. Better, but nowhere near what it should be like.
I then tried also disabling Windows Firewall and rebooting, with AVG still disabled, but couldn't get the speeds any faster.
Are there any known issues (and solutions) with Windows 7 and file transfers? On a wireless N network, it should not be taking this long to move files. This is way slower than even G speed.
It's frustrating, as it means I can't effectively use media extenders, and if I need to meet a client, and need to load files from my main desktop onto my laptop for the meeting, it takes *forever*...it's quicker to simply grab a USB stick, copy the files from the desktop onto it, then bring the stick with me. On Windows XP, I used to just grab whatever I needed from my shared hard drive, and it would be done in seconds or minutes.
Looking forward to any answers/help.
Thanks,
Pleb5919