Know Your PC

Buying And Selling Used

Evaluating secondhand computers and handing yours on safely.

Checking A Used Desktop Before You Pay

What to look for inside and outside a secondhand tower, including odd smells, loose parts, mismatched components and signs of heavy wear, before you pay.

4 min read

Factory Reset Versus Clean Reinstall

How a factory reset and a clean reinstall differ, what each one removes, and which fits better when you are selling a computer or fixing a problem.

4 min read

Giving Your Old Computer A Second Job

Practical ideas for repurposing an old PC, such as a media player, backup target or simple machine for children, with the security cautions that apply.

4 min read

Inspecting A Used Laptop In Person

A hands-on checklist for inspecting a secondhand laptop in person: screen, keyboard, hinges, ports, battery, fans and signs of heavy wear or repairs.

4 min read

Is An Older Computer Still Worth Keeping

How to weigh security updates, software support, repair costs and replacement cost when deciding whether to keep an older computer, without relying on lifespans.

4 min read

Seller Red Flags When Shopping Secondhand

Warning signs in secondhand computer listings and seller conversations, from missing details and stock photos to pressure to pay quickly or off-platform.

4 min read

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