Razer mouse not detected since update

Per instructions found on this site:

Boot into recovery mode (Restart your mac and hold ⌘+ R during startup. (Command + R)

Go to Utility → Terminal

Type /usr/sbin/spctl kext-consent add R2H967U8J8 and press Enter

Type /usr/sbin/spctl kext-consent list and press Enter

Recommend to visit the site listed above to see full details about what is being done here.