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
Video calls freeze but speed tests look normal
A normal speed test can miss brief drops that freeze video calls. Check stability to find whether Wi-Fi, your router, or the call app is at fault.
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Tests
How to test a monitor's color transition smoothness
Check whether smooth gradients show visible bands, separate screen behavior from image artifacts, and learn which display settings to check next.
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Tests
What to check after a SATA to NVMe upgrade
Check that your NVMe drive is detected, boots correctly and performs as expected, then troubleshoot capacity, speed and temperature problems.
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Tests
How to test a borrowed mouse before an esports match
Check a borrowed mouse's buttons, wheel, double-clicks and polling rate, then match its settings and connection to your esports setup before warmups.
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Tests
Camera says card is too slow? What to test
Check whether the card, reader, or camera is causing a “card too slow” warning, then learn what speed matters and what to test before replacing it.
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Tests
Why bass-heavy tracks hide speaker dialogue problems
A bass-heavy song can make speakers seem fine while speech sounds muddy. Test the frequency range, then check audio settings and speaker placement.
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Tests
Audio jack crackles when cable moves? What to check
Find out whether crackling comes from the plug, cable, jack, or audio settings, then test the connection and choose a safe next step.
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Tests
How to test a keyboard after removing keycaps
Test each key after removing keycaps, spot missed inputs or sticky switches, and learn which problems need cleaning, reseating, or repair.
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Tests
Why a loose car license plate rattles at low frequencies
Find out why a car license plate rattles on bass notes, use a slow tone sweep to pinpoint the loose part, and fix it without guesswork.
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Tests
Slow download but fast internet? What to check
A fast speed test and a slow file download can both be real. Compare the connection, file source and device to find what is slowing it down.
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Tests
How to isolate a rattling ceiling fixture with bass tones
Use a slow bass sweep to find which ceiling fixture rattles, then check whether the cause is a loose cover, nearby object, or speaker.
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Tests
Why counterfeit storage works until the drive fills up
Counterfeit USB drives can look normal until they exceed their real memory. Learn why older files break and how to check a drive's usable capacity safely.