Slow wifi with Ralink rt3290 network adapter

I formated my laptop and installed win 7 x64 once again.My wifi was fine before but now I have installed all the drivers from HP support and my wifi speed is very slow although other laptops in my house have normal speed (about 10 times faster).I have a Ralink rt3290 adapter with driver version 5.0.45.0, I have tried to uninstall and install all the possible driver versions with no success.I tried all the forums I could find and did DNS flushing and such, the router is configured fine and is not too far or too close to my laptop.If I connect with ethernet cable my speed gets to about 80mps, when on wifi I get 5mps and on the other laptop I get 40mps.I really don't know what to do and I don't think that the adapter itself is broken.Can someone please help me?? Thank you,John

Yes there are older ones, but it sure seems odd that the older you go back the better they work... I am going to give you a link with revision histories of the drivers. Try any of them you want...I would start with 5.0.5.0 http://h20565.www2.hp.com/hpsc/swd/public/detail?sp4ts.oid=5229456&swItemId=ob_113862_1&swEnvOid=4059#tab-history I would also check to make sure the wireless card antennas are securely fastened to the wireless card. There are rare circumstances where one of the antennas are not securely fastened to the card during assembly and that causes all kinds of issues, needless to say.

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Intel® WiFi Link 5100
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13.4.0.9
Intel PROSet/Wireless Version
not detected
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Newer Driver Available
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PCI\VEN_8086&DEV_4232&SUBSYS_12018086&REV_00
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I currently have 2 Virtual Switches: one I set up for WIFI, and the other I set up for
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And here's my HYPER-V log, Running Windows 7 Pro:
(I've applied an 'xxx' info related to my company.)
Windows IP Configuration
   Host Name . . . . . . . . . . . . : broberts-e6420
   Primary Dns Suffix . . . . . . . : xxx.com
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
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   DNS Suffix Search List. . . . . . : xxx.com
                                       attlocal.net
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   Connection-specific DNS Suffix . : attlocal.net
   Description . . . . . . . . . . . : Intel 21140-Based PCI Fast Ethernet Adapter (Emulated)
   Physical Address. . . . . . . . . : 00-15-5D-01-4C-08
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
Ethernet adapter Local Area Connection 1:
   Connection-specific DNS Suffix . : attlocal.net
   Description . . . . . . . . . . . : Microsoft Hyper-V Network Adapter
   Physical Address. . . . . . . . . : 00-15-5D-01-4C-06
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   IPv6 Address. . . . . . . . . . . : 2602:306:3a5e:7050:7426:4a85:cde9:3454(Preferred)
   Temporary IPv6 Address. . . . . . : 2602:306:3a5e:7050:2d15:806e:7f3b:ca31(Preferred)
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   Lease Obtained. . . . . . . . . . : Monday, July 28, 2014 10:18:19 PM
   Lease Expires . . . . . . . . . . : Tuesday, July 29, 2014 10:18:20 PM
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Tunnel adapter isatap.attlocal.net:
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   Connection-specific DNS Suffix . : attlocal.net
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   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
Tunnel adapter Local Area Connection* 11:
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   Connection-specific DNS Suffix . :
   Description . . . . . . . . . . . : Microsoft 6to4 Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
Tunnel adapter Teredo Tunneling Pseudo-Interface:
   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix . :
   Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Slow wifi with Ralink rt3290 network adapter

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