Blog
Tests
Guides for testing your keyboard, mouse, screen, sound, network and other hardware, and for fixing what the tests find.
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Tests
How to test a tablet screen before buying used
Check for dead zones, missed touches, multitouch problems, dead pixels, and screen damage before paying for a used tablet with quick browser tests.
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Tests
Why two-finger gestures stop working on a tablet
Test whether your tablet detects two touches at once, then check app support, accessibility settings, screen protectors, and signs of a touch-screen fault.
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Tests
Touchscreen works with finger but not stylus
Check whether the screen, stylus, or app is at fault, then try compatibility, pairing, and settings fixes that can restore pen input.
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Tests
How to test whether Wi-Fi is dropping packets
Check for Wi-Fi drops with a live browser test, learn what lost requests mean, and narrow down whether the cause is your router or internet.
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Tests
Why Wi-Fi jitter matters for video calls
Learn how Wi-Fi jitter makes calls choppy, how to measure it in your browser, and which fixes can make audio and video more stable.
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Tests
Keyboard randomly misses letters when typing fast
Find out whether your keyboard is dropping individual presses, missing overlapping keys, or losing input in one app, then use a quick test to choose the right fix.
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Tests
Why microphone noise suppression cuts off words
Learn why noise suppression clips the start or end of your words, test whether the browser is doing it, and adjust your microphone settings.
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Tests
Why your two monitors have different scaling
Find out why text and windows look different across two monitors, check each display's resolution and scale, and adjust the right setting.
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Tests
How loud is your room? Test it with a microphone
Measure room noise with a microphone, understand the decibel reading, and learn how to get a steadier result or reduce distracting sounds.
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Tests
How to test a new PC before the return window ends
Check a new PC's screen, keyboard, ports, network, sound, and performance before the return deadline, and know when to ask for an exchange.
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Tests
Laptop acting strange? Run a full hardware check
Run a browser-based check of your laptop's keyboard, screen, camera, sound, battery and more, then use the results to narrow down the problem.
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Tests
How to compare noise levels before and after soundproofing
Use the same browser noise meter, microphone position, and sound source to compare readings fairly and see whether soundproofing reduced noise.