Wifi Adapter Goes Missing After Working

HP Paviliion laptop running Windows 8 from factory recovery (2 times). Problem:  WiFi works then adapter goes missing.  Device Manager / Network shows only the wired card.   Scan for new hardware yields nothing new. Wifi button shows toggle from Airplane Mode Off / Airplane Mode On OK.  This is the F12 button (I mentioned this because on a MSI 6200 series laptop the wifi button and another are mislabeled). Could it be the wifi card going bad since I don't see the card in Device Manager? Thanks. Darryl  

Hi,
You can find driver and installation manual for Mac in the download section. Choose Model TEW-624UB.
http://www.trendnet.com/products/proddetail.asp?prod=170_TEW-624UB&cat=76
They released driver for 10.6

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