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Windows 7: DWL-G510 slow wireless

06 Jan 2010   #1

Windows 7 64 bit
 
 
DWL-G510 slow wireless

Hi, just joined the forum from searching for answers about the joys of Windows 7.

I just set up my PC a few days ago and have noticed that my internet speed drops dramatically when I am using the mentioned wireless card.
I found this when I was using a program for Firefox called 'Down Them All' , as I was getting a large file (Crysis Demo to test out my PC).

The wireless last night was fluctuating between 200b/s and 600Kb/s and today is has been sitting at around 102b/s but sometimes dropping down to 6b/s.
I tried using speedtest.net, but it was going that slow that I couldn't load it.
I have plugged in my ethernet cable and it is currently downloading at about 500kb/s-700kb/s.

The router I am using is a BT home hub.

(I have filled in the PC setup info on my profile but don't know if that shows up or not, can copy it in if needed.)

Thanks for any help.


My System SpecsSystem Spec
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06 Jan 2010   #2

W7 Ultimate 64bit W7 Premium 64bit W7 Premium 32bit WXP Home 32bit
 
 

Welcome to Seven Forums!

I just looked up the card on DLink's site. The card was discontinued in 2007. In fact, even the Vista drivers are quite old.

You're running the card using the Vista drivers or did Windows 7 detect the card and load it's built-in drivers?

Depending on the wireless router you're using the most likely problem is the wireless card itself. It's just too old and may not have drivers optimized for Windows 7.

What about the router itself? Got a specific model?
My System SpecsSystem Spec
07 Jan 2010   #3

Windows 7 64 bit
 
 

Oh, didn't realise it was an old card. I was just trying to get a cheap wireless PCI card that I thought would work, and I was in a bit of a hurry so that I could get the PC posted to me (I had forgotten about the wireless card until I was clicking buy)

The router I am using is just one of the standard V1/V1.5 BT home hubs, the white one.

For the install I installed the drivers from the disk, then I uninstalled them, and then let windows auto install them. I had read that the other night and it did seem to help a bit, but not much.

Thanks for the welcome and the quick reply.
My System SpecsSystem Spec
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07 Jan 2010   #4

W7 Ultimate 64bit W7 Premium 64bit W7 Premium 32bit WXP Home 32bit
 
 

Take a look at the wireless settings. Does the router choose the channel or did you manually select a channel? Interference can cause spikes in performance that are very similar to what you see. One easy change is to try different channels on the router.

Also if there are any firmware updates to the router that may help. Many times these updates have fixes and improvements for the radio.

Good Luck and let me know how it goes!
My System SpecsSystem Spec
08 Jan 2010   #5

Windows 7 64 bit
 
 

Cheers, will have a look tomorrow after work.

Hadn't thought of updates for the hub, only the PCI card because it is working fine with my laptop...always worth a try though.

Will update after I've managed to try things, and just run off a cable at the moment.
My System SpecsSystem Spec
24 Jan 2010   #6

Windows 7 64 bit
 
 

Hi, I have managed to update the router and have had a look at the settings but I am still getting a huge difference between wired and wireless.
Name:  Wired.PNG
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Name:  Wireless.PNG
Views: 1528
Size:  30.0 KB

Any more advice?


My System SpecsSystem Spec
24 Jan 2010   #7

W7 Ultimate 64bit W7 Premium 64bit W7 Premium 32bit WXP Home 32bit
 
 

If you can, see if there are other wireless systems in the area. Look at the channels and see what channels they're on compared to you. try and set you router channel manually and stay at least 2 channels away from any other router you see.

Another test is if you have a wired PC attache to the router is to run a throughput test between it and your laptop. That would test the wireless itself.
My System SpecsSystem Spec
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 DWL-G510 slow wireless




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