Source : support.lenovo.com
Download Lenovo B50-30 Notebook Drivers Windows 7 / 8 / 8.1 32/64bit
Type
Driver
Operating System
Released
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BIOS
BIOS Update Utility - Lenovo B40-30, B50-30, B50-30 touch, E40-30 Laptops
Version: 9CCN26WW (v2.04)
Windows 7 32-bit
Windows 7 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit
9/22/2014
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