I used Microsoft's free Windows 11 battery health tool to diagnose my PC - and got helpful results

I used Microsoft's free Windows 11 battery health tool to diagnose my PC - and got helpful results ...

How we test laptops at ZDNET in 2026

How we test laptops at ZDNET in 2026 ...
Hosted on MSN

Your laptop has a built-in hardware test you’ve never run — here’s why you should

Even after using laptops for years, many users don’t even touch the most important tool: the built-in hardware diagnostics. These tests are preinstalled on every Windows laptop and Mac. Since they are ...