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Tests

Guides for testing your keyboard, mouse, screen, sound, network and other hardware, and for fixing what the tests find.

Tests Why your microphone sounds too quiet Learn why your microphone sounds quiet, test its input level in your browser, and work through settings, placement, and app fixes that can help. Michael ReedOctober 23, 20265 min read
Tests Why your spacebar only works when pressed hard If your spacebar only works when you press hard, test whether the key is failing, then clean it safely and check settings that can delay input. Kevin DoyleOctober 23, 20264 min read
Tests Webcam looks too dark even in a bright room Find out whether your webcam is actually dark or the app is causing it, then fix lighting, camera settings, permissions, or a blocked lens. Ryan MitchellOctober 23, 20265 min read
Tests Camera works in one app but not another Find out why your camera works in one app but not another, then check permissions, device selection, and settings with a quick browser test. Jason TurnerOctober 23, 20265 min read
Tests Microphone sounds robotic or distorted: fixes Find out whether a robotic microphone sound comes from clipping, Bluetooth, browser processing or an app, then try fixes for Windows and Mac. Ryan MitchellOctober 23, 20265 min read
Tests How to tell which microphone your PC is using See which microphone your PC sends sound from, compare connected mics in a browser test, and fix the wrong input in Windows or an app. Jason TurnerOctober 23, 20264 min read
Tests What to look for in a PC system information report Learn how to read processor, graphics, screen, battery, and network details in a browser-based PC report, and spot what needs a closer check. Daniel HayesOctober 23, 20265 min read
Tests How to find device information before contacting support Gather your processor, graphics, screen, battery, and network details, then add your device model and symptoms to make a useful support request. Michael ReedOctober 23, 20264 min read
Tests How to check if your browser supports screen sharing Check whether your browser can share a screen, try it safely, and fix common permission or device limits without installing anything. Daniel HayesOctober 23, 20264 min read
Tests Why a website keeps asking for camera permission Find out why a site keeps requesting camera access, check whether your browser remembers it, and fix permission settings on your computer or phone. Ryan MitchellOctober 23, 20265 min read
Tests Why your mouse cursor skips or stutters Find out whether a skipping mouse cursor comes from the surface, connection, settings or hardware, then work through the fixes in order. Kevin DoyleOctober 23, 20265 min read
Tests Why internet speeds differ across devices Learn why one phone or computer gets slower internet than another, how to compare them fairly, and what to change when the gap is real. Jason TurnerOctober 23, 20265 min read