The recent release of version 3.5.1 of Logitech’s Control Center (LCC) provides both enhanced features and bug fixes. LCC 3.5.1 provides:
– support for Mac OS 10.7 and Lion as well as new Mission Control actions
– bug fixes for the Mac Solar Wireless Keyboard K750 – the Fn Key Inversion feature, as well as support added for the EU layout
You can download the latest drivers updates here – the file size is 18.9MB and you will need to be running Mac OS X 10.5 or later.