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Windows 7: Extremely Slow WLAN Speed

09 Feb 2014   #1
amsgator

Windows 7 Home Premium x64
 
 
Extremely Slow WLAN Speed

I finally got my WLAN set up and I'm getting ridiculously slow speed according to LAN Speed Test. When I say ridiculously slow I mean like 10 Mbps slow.

The router and all of the wireless cards are 802.11n. I have an excellent signal on both computers. I've tried two different routers and it made no difference.

My desktop is running Windows 7 Home Premium and my laptop is running Mac OS X 10.6.

Any help would be appreciated.


My System SpecsSystem Spec
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09 Feb 2014   #2
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

How much download speed does your ISP claim?
My System SpecsSystem Spec
09 Feb 2014   #3
amsgator

Windows 7 Home Premium x64
 
 

My download speed is 6 Mbps. But I'm referring to WLAN computer to computer file transfer, not WAN internet speed.

I realize the 300 Mbps is theoretical, but 10?
My System SpecsSystem Spec
.

09 Feb 2014   #4
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

How far is the router from each machine? Wall and distance degrade transfers markedly.
My System SpecsSystem Spec
09 Feb 2014   #5
amsgator

Windows 7 Home Premium x64
 
 

Maybe 30 feet. No walls between. There's also no other electronics near the router to cause any issues: phones, fluorescent lights, etc. I also used inSSIDer and the channel I'm using is vacant.

I'm not sure what a good network ping time is but mine average 3-4ms.
My System SpecsSystem Spec
10 Feb 2014   #6
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

All right, as an experiment can you place on or the other closer to the router to see how it affects it? I know if I'm 30' from mine speed drops.
My System SpecsSystem Spec
10 Feb 2014   #7
2xg

Win7 & Win8 64bit
 
 

Hi there,

I've been asked to jumped in to your Thread.

If the file transfer is quite slow, you may try changing the file encryption to 40 or 56-bit.
Use 40 or 56-bit Encryption File Sharing Connections ? MAXIMUMpcguides ? Windows 7 tips, tricks, help, and how-to guides

Please keep us posted.
My System SpecsSystem Spec
10 Feb 2014   #8
amsgator

Windows 7 Home Premium x64
 
 

Quote   Quote: Originally Posted by Britton30 View Post
All right, as an experiment can you place on or the other closer to the router to see how it affects it? I know if I'm 30' from mine speed drops.
I moved the router and computers so the router was within 2 feet of each computer (about as close as I could get them without stacking them on top of each other).

The RSSI on the desktop was -25 and on the laptop was -33, so both are excellent signals. That said, I was only getting 20 Mbps.
My System SpecsSystem Spec
10 Feb 2014   #9
amsgator

Windows 7 Home Premium x64
 
 

Quote   Quote: Originally Posted by 2xg View Post
Hi there,

I've been asked to jumped in to your Thread.

If the file transfer is quite slow, you may try changing the file encryption to 40 or 56-bit.
Use 40 or 56-bit Encryption File Sharing Connections ? MAXIMUMpcguides ? Windows 7 tips, tricks, help, and how-to guides

Please keep us posted.
I changed it on my Windows machine and it didn't change anything. I can't find a setting to do it on my Mac laptop, so I'm not sure if that's why it didn't help?
My System SpecsSystem Spec
10 Feb 2014   #10
amsgator

Windows 7 Home Premium x64
 
 

I was able to use my wife's computer and same thing. I tried transferring between my Mac and her Win 7 laptop, and the Win 7 desktop and her Win 7 laptop. Same thing.

EDIT: I can't find the specs on any of the network cards to see if they are 150 or 300Mbps cards. My best guess is the desktop is 300Mbps since it appears to be 2T2R. I'm unsure of the laptops, so they may be 150 which would limit it some, but I just can't see if knocking down to 10Mbps even then.
My System SpecsSystem Spec
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 Extremely Slow WLAN Speed




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