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Windows 7: Slow Wireless Transfers....


05 Dec 2010   #1

Windows 7 Ultimate
 
 
Slow Wireless Transfers....

Router: D-Link DIR-615 REV.

Desktop:
Windows 7 Ult 64x
Quad Core Intel q9300 @ 2.5Ghz
6gb ram
Antivir AV software
PC Tools Threatfire
D-link DWA-130 REV. E1

Netbook:
Windows 7 Ult 32x
Atom N450 1.66GHZ
1gb ram
Antivir AV Software
Adapter Broadcom 802.11b/g adapter


When I try to transfer files from my netbook to desktop or vice versa it goes around 150-200 KBps in this configuration. My connection is full strength on both the netbook and the desktop pc. The desktop is connecting at 150Mbps and the laptop connecting at 54 Mbps. I know I can't expect type of speeds when transferring files. Though I just threw that out that it shouldn't be a signal issue. I have disabled the RDC, and these commands:
netsh interface tcp set global autotuning=disabled
netsh interface tcp set global chimney=disabled
netsh interface tcp set global rss=disabled


None of that has even helped. I know for a fact the desktop wireless adapter and router works perfectly with Windows xp and file transfers. Though at this point I could upload the files to the internet and download them quicker than I could do copy and paste file transfer on my own network. Another interesting thing is that the internet connection just flat out dies on the desktop when transferring the files to it. Not sure about to the netbook. I have also disabled all the security software on the desktop and netbook and didn't make one bit of difference. Thanks for any insight regarding this?

My System SpecsSystem Spec
.

05 Dec 2010   #2

Windows 7 Ultimate x64 SP1
 
 

Well, the first thing I would do is to uninstall Antivir AV and PC Tools Threatfire, reboot, and verify the default Windows firewall is installed. Then, I'd use a workgroup instead of a homegroup (you didn't specify, but I'm guessing you went with a homegroup). I would also check to see if there's a compatibility issue with the D-Link card and the motherboard. I was forced to move away from my D-Link card in my notebook because of a chipset compatibility problem - my wifi connection would also die with a large file transfer. At the very least look for updated drivers from D-Link (or even older drivers, if you have the latest available from D-Link).
My System SpecsSystem Spec
05 Dec 2010   #3

Systems 1 and 2: Windows 7 Enterprise x64, Win 8 Developer
 
 

Check your speed/duplex setting for your network adapter. It is set to auto negotiate?

Check your Internet speed here:

Check My Internet Connection Speed | Internet Connection Speedometer | McAfee

Make sure your wireless router is set to g and not b/g.
My System SpecsSystem Spec
.


05 Dec 2010   #4

Windows 7 Ultimate
 
 

Well I did some further testing if I hardwire the netbook to the router. I can achieve speeds of 6.3MBps. Actually I went with a workgroup, not a homegroup. About an hour to push through 37.5GB of music. I would still like to know why my internet dies and the transfer is going so slow when I am doing a wireless transfer. Could the security programs see a wireless to wireless transfer differently and slow it down or did the present test just debunk that?


I achieved 15mbps down and 1.06 up, while transfering the 37.5gb of music. Mind you that was going from wired to wireless. ARRGHH! My internet connection is awesome everything except for file transfers. I can even stream the music from the netbook with no problem.
My System SpecsSystem Spec
05 Dec 2010   #5

Windows 7 Ultimate x64 SP1
 
 

Like I said in my previous post, there's probably a driver/hardware conflict with the wifi card. That's the only thing I've ever seen that caused wifi to completely die during large file transfers.

There's a lot of overhead when transferring over wifi. You won't come anywhere near 54Mbps (the slowest link in the wifi chain). Signal strength, interference, and a lot of other things impact wifi transfer speeds.
My System SpecsSystem Spec
06 Dec 2010   #6

Windows 7 Ultimate
 
 

I understand that I won't ever reach 54Mbps. Though since the desktop was wireless when I was hitting 6.3~MBps. Wouldn't that mean that the problem is in the netbook? Which would suck since it actually came with Win 7.
My System SpecsSystem Spec
06 Dec 2010   #7

Windows 7 Ultimate x64 SP1
 
 

Quote   Quote: Originally Posted by itmike View Post
I understand that I won't ever reach 54Mbps. Though since the desktop was wireless when I was hitting 6.3~MBps. Wouldn't that mean that the problem is in the netbook? Which would suck since it actually came with Win 7.
If the desktop drops wifi, it's a problem with the desktop. If the netbook drops wifi, then it's a problem with the netbook.
My System SpecsSystem Spec
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 Slow Wireless Transfers....




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