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
MIDI keyboard not sending notes: how to test it
Check whether your MIDI keyboard sends note data, then work through browser permissions, cables, power, and app input settings to get it working again.
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Tests
How to test storage speed after a power failure
Check storage speed after an unexpected shutdown, learn what a browser test can reveal, and know when to back up, retest, or get the drive checked.
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Tests
Wi-Fi drops when the microwave is on: what to check
Find out whether a microwave is disrupting your 2.4 GHz Wi-Fi, compare connection stability before and during use, and choose a practical fix.
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Tests
How to understand upload vs download latency penalties
Learn what upload and download latency penalties mean, how to read a Bufferbloat Test, and which router changes can reduce lag during busy network use.
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Tests
Why an unstable VPN tunnel can look like packet loss
Learn why a VPN can make a connection test report lost requests, how to compare results with and without the tunnel, and what to check next.
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Tests
How to measure washing machine noise
Compare room noise before and during a wash cycle, keep the microphone in one position, and learn what a change in decibels can tell you.
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Tests
Why a new monitor looks different from your old one
A new monitor can look warmer, brighter, or more vivid because of its panel and settings. Compare both screens and match the picture step by step.
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Tests
Why some audio tones are hard to hear on small speakers
Learn why tiny speakers hide bass and some tones, how to test the sound safely, and when a weak frequency points to a setting or a fault.
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Tests
Why rapid charging slows when your device gets hot
Check whether heat is slowing charging, compare charge rates safely, and learn what a browser test can and cannot tell you about temperature.
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Tests
Why does my speaker only play certain frequencies?
Find out whether missing bass, treble, or midrange comes from the speaker, its settings, or the connection, then choose the right fix.
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Tests
How to test Wi-Fi quality in a garden office
Measure response time, jitter and drops in your garden office, compare locations fairly, and find out whether weak Wi-Fi or the internet is causing trouble.
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Tests
How to check if your PC is ready for distance learning
Check your camera, microphone, speakers, keyboard, screen, network and battery before class, then fix common problems that can interrupt an online lesson.