Try this: http://rys.pixeltards.com/2011/09/04/osx-lion-wifi.html
I purchased my 27" iMac in early Jan and have had nothing but issues with the wifi. It's been a horrible experience for such a great piece of hardware. However having changed the drivers as per link above my wifi has been rock solid with not a single drop out/wake up issue.
Happy days!
I purchased my 27" iMac in early Jan and have had nothing but issues with the wifi. It's been a horrible experience for such a great piece of hardware. However having changed the drivers as per link above my wifi has been rock solid with not a single drop out/wake up issue.
Happy days!