General
Device testing guides covering monitors, touchscreens, phone sensors, and displays.
5 articles
General
Phone Sensors Explained: Gyroscope, Accelerometer, and More
Plain-English explanation of phone sensors: gyroscope, accelerometer, magnetometer. What they do, how to test them, and when they fail.
8 minJun 7, 2025
GeneralTouchscreen Not Working? Here's How to Diagnose and Fix It
Diagnose touchscreen problems on phones, tablets, and laptops: dead zones, full screen unresponsive, software fixes, and hardware indicators.
6 minJun 6, 2025
GeneralWhat Is Screen Refresh Rate? Hz Explained Simply
Plain-English explanation of monitor refresh rate, what Hz means, the visible difference between 60/120/144/240 Hz, and how to check yours.
7 minJun 4, 2025
GeneralHow to Check Your Screen for Dead Pixels (And Can You Fix Them?)
Guide to identifying dead, stuck, and hot pixels: and when (if ever) you can recover them.
6 minMay 21, 2025
General60Hz vs 120Hz vs 144Hz vs 240Hz: Does Refresh Rate Matter?
Explanation of monitor refresh rate, the perceived difference between common rates, and how to verify your monitor's actual Hz.
7 minMay 15, 2025