Broadcom no longer provides direct consumer downloads for these legacy chips. Instead, you should look for the driver on your laptop manufacturer's support site
Windows typically includes a basic driver for this card, but it may appear as "Broadcom 802.11b/g WLAN" or a generic "Network Controller" with a yellow warning triangle in Device Manager. broadcom bcm94312hmg driver
The is a classic half-mini PCI-e wireless card frequently found in laptops from the late 2000s and early 2010s, such as the Dell Inspiron and HP Pavilion series. While this single-band 802.11g adapter is aging, it remains highly functional on modern systems if you use the correct drivers. Driver Compatibility and Support BCM94312HMG Broadcom no longer provides direct consumer downloads for
it first before using the "Browse my computer for drivers" method mentioned above Broadcom TechDocs Troubleshooting Tips No WiFi after install? While this single-band 802