Make sure you don't have 5GHz set to on/default on your hotspot. If your laptop is older and doesn't have a 5GHz radio, it will never see the hotspot. Unchecking this box will default back to the good old 2.4 GHz band which works just fine.
... View more
And to be clear, this isn't necessarily a data security issue, but a usage management issue. My (limited) hotspot is the only connection for my work and my PS4. MAC filter is the easiest way to keep data hungry devices at bay.
... View more
