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 USB drive without risking files
Learn how to check a USB drive's real capacity safely, why the test can overwrite files, and what to do before using Fake USB & SD Check.
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Tests
How to compare VPN leak results across browsers
Compare VPN leak results in two browsers, separate real IPv6 or WebRTC exposure from different VPN routes, and find the setting behind the difference.
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Tests
External SSD disconnects under load: what to check
Find the likely cause of an external SSD disconnecting during large transfers, and learn what to check before testing it again.
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Tests
Why a browser Wi-Fi tool can't show channel numbers
A browser Wi-Fi test can show response time, jitter and drops, but not your radio channel. Learn what it can measure and where to check channel numbers.
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Tests
Why fake drives overwrite data without warning
Learn why counterfeit USB drives and SD cards can overwrite older files without an error, how to verify real capacity, and what to do next.
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Tests
How to test short swipes on a drawing tablet display
Check whether a drawing tablet registers quick, short touch swipes, separate dead zones from pen settings, and learn what a browser test cannot verify.
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Tests
What causes abrupt compass heading jumps?
Learn why a phone compass suddenly jumps, how to tell a normal north crossing from magnetic interference, and what to check next.
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Tests
How to compare device capabilities for a web app
Compare two computers or phones using the details a web app can actually access, then separate hardware limits from browser, permission, and network issues.
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Tests
How to compare kitchen appliance noise
Compare a blender, range hood, or dishwasher fairly by measuring at the same distance, in the same room, with a browser-based noise meter.
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Tests
Why speaker stands amplify bass vibrations
Find out why speaker stands can make bass rattles more noticeable, test the problem with a slow tone sweep, and reduce vibration with simple changes.
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Tests
How to inspect a screen after changing refresh rate
Check whether a new refresh rate applied, spot flicker or artifacts, and restore a stable setting on Windows 11 or macOS.
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Tests
Why a monitor's pixel policy matters for a return
Check whether a dead or stuck pixel qualifies for a return, document it before trying a fix, and find the right policy deadline.