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Windows 7: wireless connection really bad on windows 7

25 Nov 2009   #1

Windows 7 Home Premium 64-bit
wireless connection really bad on windows 7

my wireless connection on windows vista was just as good as ethernet but after upgrading to windows 7 last week my connection is almost unusable. my router and pci adaptor are both from netgear and are both from the same shop:

Netgear WNR854T RangeMax Next Wireless-N Cable Router Gigabit Edition

Netgear WN311B 270Mbps RangeMax Next Wireless-N PCI Adapter

i know that its not the router because laptops/ps3/xbox360 use wireless without any problems and get 9 mb/s downloading and 0.49mb/s uploading easy.

what could be casuing the problem? i was thinking of about getting a new pci adaptor: Linksys Wireless-N WMP300N but was unsure if it would work with my router.

any help would be useful as i'm no good with this stuff, thanks

My System SpecsSystem Spec
25 Nov 2009   #2

7600.20510 x86

Uninstall any firewall and antivirus apps, then test. Disabling will not have the same effect.
My System SpecsSystem Spec

 wireless connection really bad on windows 7

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