Hi After upgrade to windows 8.1 (clean install), Bluetooth doesn't appear in device manger nor PC setting any help please? Lenovo z580 (i5-4G ram-intel hd 4000)
after you install the drivers ..and bluetooth is enabled in services it should show in device manager support.lenovo.com/en_US/downloads/detail.page?DocID=DS037439
thank you leebo_28 for your replay while i installed wifi (wireless lan) driver i got this message c:\drivers\wifi driver\Intel\win7plus\win64\install\data\wifi1.cab an error occurred while trying to copy a file: the source file is corrupted click retry to try again ,ignore to skip or abort to cancel and downloaded the same driver 3 times but same result note: my wireless lan work properly without this driver