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Short, plain-English explainers about the devices you test here, and how to get more out of them.
Backlight Bleed vs IPS Glow: How to Tell the Difference · Learn the difference between backlight bleed and IPS glow, how room light and viewing angle affect them, and how to check a display carefully.
How to Test a Used Phone Before Buying · A practical used-phone checklist for touch, screen, camera, microphone, speakers, vibration and battery checks in a browser.
Why Your Mic Sounds Bad and What to Try · Find common reasons a microphone sounds quiet, muffled, noisy or echoey, with practical checks you can make in your browser.
Mouse Polling Rate and DPI: What They Mean · A plain explanation of mouse polling rate and DPI, how they differ, and simple browser checks for mouse movement and double clicks.
Controller Stick Drift: Causes, Checks and Fixes · Learn what controller stick drift is, how to spot it with a browser test, and the sensible fixes to try before replacing a controller.
How to Look and Sound Better on Video Calls · Simple, free fixes for better video calls: the right microphone, sensible levels, stopping echo, better lighting and camera position, and a quick pre-call check.
Dead Pixels vs Stuck Pixels: How to Tell and What to Do · The difference between dead, stuck and hot pixels, how to find them on your screen, whether they can be fixed, and when to ask for a replacement.
Refresh Rate Explained: 60 Hz vs 120 Hz vs 144 Hz · What refresh rate means, how it differs from frame rate, why a 144 Hz monitor can still run at 60 Hz, and how to check and change yours.