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I have an Acer Extensa 4420 with a fresh install of Vista that I just purchased on eBay. After I installed Vista I put all the drivers on that I found from the Acer website by downloading them on my desktop and transferring them over. The Broadcom wireless driver gave me a problem and said either there was no wireless or it needs to be turned on, so I used the switch in the front but nothing happened. After some research I learned that you have to have to install a piece of Acer software to make the switch work, so I did this and now when I use the switch some green text appears on the screen saying Wireless LAN Enabled or Wireless LAN Disabled. Unfortunately nothing appears to actually happen; the light for the switch doesn't light up, and the driver still can't find a wireless card. In the Device manager I have an Network Controller device that is in the Other Devices field with a yellow triangle and exclamation point meaning it needs drivers. This is not the wired port as that one has been installed and is working just fine and appears in the device manager properly. One last thing: in the BIOS there is no wireless option. Under the advance part of the BIOS there is an option for the infrared port, but no wireless. If the internal wireless is working, should there be something there? Any Ideas? I really want to get my internal wireless working.

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  • WebKill Sep 29, 2009

    I've done more research and found that if it's in the device monitor but not 'on' then it could be it's not switching on properly. I tried the trick of covering pin 20 (this is a mini PCI express card) with some tape, but it didn't seem to make a difference. Card is still recognized as needing a driver, but won't take a driver because it's not in an 'on' state.

  • WebKill Sep 29, 2009

    This isn't a driver issue, the Atheros driver doesn't install either; it gives the same message.

  • WebKill Sep 30, 2009

    I did re-install the Ethernet controller, and I am using a PCMCIA wireless card right now to get around this. I ordered a new mini pci express wireless card so we'll see if that fixes it I guess.

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Sounds like you have done some extensive work on this? just a question did you reinstall you Ethernet controller? If not do so, since you will not bet able to connect unless this is installed. It may also be hardware problem you could also try buy and external receiver and see if its works, then you would be certain that its the hardware itself and not software.

Posted on Sep 30, 2009

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Use atheros, i use atheros and didn't encountered anything from it.

Posted on Sep 29, 2009

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T...

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