Bluetooth driver G580 20150 - lenovo answers

G580 20150 LAN driver for windows 8.1 I want to upgrade from windows 7 to windows 8.1(64-bit), but i can't find an appropriate LAN driver. The only one i can find is: http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS037672 It works even for G

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