Broadcom Bluetooth 4.0 Driver for Windows 8.1 (32-bit, 64-bit), 8 (32-bit, 64-bit) - ThinkPad S430 a

[Mouse and Keyboard] Start Windows and logon with an administrator account. Hold down the Windows logo key and press X to open a menu at the lower-left area of the screen. Select Programs and Features from the menu. Select Lenovo Bluetooth with Enhanced .

support.lenovo.com