Posledni pokus
http://download.lenovo.com/UserFiles/Driver/en/Dow nloads%20and%20Drivers/Z460Z560/Win7/IN2WLN48WW5.e xe
coz je
Wireless LAN Driver for Windows 7 (32-bit, 64-bit) - Ideapad Z460, Z560 and Lenovo G460, G560
(vyrobce wifi chipu neni uveden)