The Broadcom BCM94312HMG is a wireless network adapter chip that requires a driver to function properly. Here's a detailed review of the driver:
Linux distributions provide excellent support for older Broadcom chipsets, but due to proprietary licensing rules, the driver is rarely enabled out of the box. The BCM94312HMG is natively supported by the open-source driver architecture or the proprietary wl driver. Method 1: The Automated Ubuntu/Mint Tool broadcom bcm94312hmg driver