If your ID shows 4313 or 4357 , you are looking at a different chipset. This guide is specifically for DEV_4727 .
Are you installing this on a specific or a particular laptop model ?
sudo modprobe brcmsmac
The BCM94312HMG is supported by the brcmsmac (open source) driver, not the proprietary wl (broadcom-sta) driver. Using wl will cause kernel panics.
This is often caused by Windows Power Management. Go to Device Manager > Broadcom Adapter > Properties > Power Management and uncheck "Allow the computer to turn off this device to save power." broadcom bcm94312hmg driver
If your laptop does not have a whitelist, replacing the card is a better long-term solution than hunting down legacy drivers.
Check the box that says
Before searching for drivers, it's critical to confirm you have this specific adapter. Misidentification is a primary cause of driver issues.
# Step 1: Remove conflicting drivers sudo modprobe -r b43 ssb bcma wl sudo apt purge bcmwl-kernel-source If your ID shows 4313 or 4357 ,