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
Back up data before testing a flash drive
Back up and check your files before a flash drive capacity test. Learn what the test writes, how to verify your copy, and when it is safe to proceed.
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Tests
Integrated GPU sharing RAM: what should you test?
Learn how shared system memory affects an integrated GPU, what the Memory Test can reveal, and how to spot normal limits versus a real problem.
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Tests
How to check if power mode affects memory tests
Compare memory test results in different power modes with repeatable runs. Learn what score changes mean and how to separate a real effect from background load.
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Tests
Can a loud speaker test damage weak drivers?
Learn why loud test tones can stress weak speaker drivers, how to use a bass sweep safely, and what to do if you hear rattling or distortion.
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Tests
How to check for uneven corner lighting on a display
Learn how to check dark or bright screen corners, distinguish viewing-angle effects from uneven lighting, and decide what to adjust or report.
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Tests
How to compare printing from Windows and macOS
Print the same test page from Windows and macOS, match paper and quality settings, then find whether a mismatch comes from the driver or printer.
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Tests
What to check before handing a laptop to a teenager
Run a full hardware check, then review accounts, updates, battery, camera, and family settings before your teenager starts using the laptop.
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Tests
Speaker sounds fine quietly but buzzes when loud
Find out whether loud-volume buzzing comes from the audio source, a loose object, or a damaged speaker, then test it safely and choose the next fix.
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Tests
Browser game rotation controls not working? How to fix
Find out whether your phone's motion sensors, browser permissions, screen rotation lock, or the game itself is stopping tilt controls from working.
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Tests
How to check if a screen protector lifts at the edges
Check whether a screen protector is lifting, tell edge adhesive trouble from a screen fault, and test touch response before deciding what to do.
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Tests
VPN changes loaded latency readings: what to check
Learn why a VPN can change loaded latency and Bufferbloat Test grades, how to compare results fairly, and what to adjust before blaming your internet.
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Tests
How to check system data after connecting a dock
Compare system details before and after connecting a dock. Check display, graphics, battery, and network changes, and learn what a browser report cannot confirm.