December 2019 • Macworld 73How to buy a used Mac
without being locked out
One of the great selling points for Macs has been
a combination of their longevity and resale value.
I know plenty of people with decade-old Macs.
In the last two decades, I’ve easily had seven or
eight years out of some Macs I’ve owned, and
then sold them to people who kept them in service.
There’s a lot to consider when buying a used
Mac to make sure that it will keep working. But
something that you might overlook is that security
decisions made by the previous owner could
conspire to lock you out in certain circumstances.
This could happen on a restart, when trying toHelp Desk
Glenn Fleishman answers your most vexing Mac problems