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usb adapter not working with XP only

Discussion in 'Networking' started by DougMacp, Dec 25, 2010.

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  1. DougMacp

    DougMacp Thread Starter

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    Hi, hope someone can help....My new usb wireless adaptor will not work on my 32-bit XP machine but it works perfectly on my Windows 7 PC.
    My old 'wireless g' adaptor still works in the same usb port - albeit the signal is weak - so the port is fine. The driver installation seemed to go fine and windows device manager confirms this.
    The green light is on but it can't detect the router (the same router that the device can detect when installed on the windows 7 PC) or any other wireless networks for that matter.
    I've uninstalled, rebooted, then reinstalled but with the same results - no networks found.

    The adapter is the TP-Link TL-WN722N. Wireless N capable and router supports N.

    I'd be grateful for any help.
    Thanks.
     
  2. TerryNet

    TerryNet Moderator

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    You have the TL-WN722N_100316 driver?

    What, if any, non-Windows firewall or security suite do, or did, you have on the machine?
     
  3. DougMacp

    DougMacp Thread Starter

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    Hi Terry , Mcafee - provided free by my ISP (BT UK). I gave the program full permission and also tried running it with the firewall off but still finds no wireless networks. Just slotted in the original dongle and it finds the network perfectly. Very frustrating.
     
  4. DougMacp

    DougMacp Thread Starter

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    And yes,, the drivers are up to date.
     
  5. TerryNet

    TerryNet Moderator

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    You said the signal is weak with the old adapter. How about trying with a stronger signal--move the PC or router/WAP closer.
     
  6. DougMacp

    DougMacp Thread Starter

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    Sorry - i meant weak with the older 'g' rated adapter. The signal is perfect when the g adapter is close to the router but none existant when the new 'n adapter' is right beside the router. I've since tried the new N adapter in a vista 64 and another XP 32 bit PC and it works in both. So it works in 3 PCs but not in the pc I need it to work in ! A Dell, also running 32-bit XP.
     
  7. TerryNet

    TerryNet Moderator

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    Only three possibilities are coming to mind.

    Firewall. Uninstall McAfee and run the Removal Tool.

    Driver. Double or triple check that you have the driver to which I linked or the same one as in the other XP.

    XP hopelessly out of date. You should have service pack 3, with SP2 the bare minimum.
     
  8. DougMacp

    DougMacp Thread Starter

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    Reinstalled with firewall off and XP SP3 up to date - I'll try driver again. Tp-link replied and asked me to enable wzc service and use MS network facility but i'd already tried that with no luck.
    Appreciate your help and time,Terry.
     
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