Blog
Clear, practical guides for fixing, setting up and choosing gadgets, written to go with our free tests.
DisplaysHow to Check Your Monitor's Refresh Rate (and Change It)
Where to see your Hz on Windows and Mac, how to change it, and the cable and setting mistakes that keep a 144 Hz screen at 60.
SpecsHow to Check Your PC Specs (Windows, Mac and Chromebook)
The fastest way to find your processor, RAM, graphics card and storage on Windows, Mac or a Chromebook.
GamingWhat Is a Good Reaction Time? (And What Changes It)
Lab averages, typical online scores, and the screen and mouse delays that quietly add milliseconds.
AudioWhy Is My Mic Not Working? 9 Fixes for Windows and Mac
Nine fixes in the order that solves most mic problems fastest, for Windows 10, Windows 11 and Mac.