Blog
Short, practical guides for checking your hardware and fixing what the tests find.
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Tools
How to time a science fair demonstration
Plan a realistic science fair demo, time each part with a browser stopwatch, and leave room for questions without rushing the result.
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Tests
Why a tablet reports sideways orientation on a stand
Learn why a tablet can report sideways orientation on a stand, how to check its sensors in your browser, and when rotation settings are the cause.
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Tests
How to test memory consistency after a laptop repair
Compare repeated browser RAM results after a laptop repair, spot meaningful changes, and know when to check the memory or contact the repair shop.
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Tests
How to check if a projector is mirrored or extended
Check projector mode in Windows or macOS, then confirm whether it mirrors your laptop or acts as a separate extended screen.
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Games
How to document controller defects for a return
Capture repeatable evidence of a faulty controller, test its buttons and sticks in your browser, and send the seller a clear return request.
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Tests
Why a counterfeit drive can seem fast at first
A counterfeit USB drive can seem fast during a short copy, then slow down or lose files. Learn why early speed is misleading and how to check its real capacity.
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Tests
How to compare speaker rattle before and after rubber feet
Compare a speaker's bass rattle before and after adding rubber feet with the same sweep, volume, placement, and listening position for a fair check.
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Tests
Why a computer throttles during long video meetings
Learn how to spot heat-related throttling during long video meetings, separate it from connection problems, and reduce the workload on your computer.
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Apps
How to make an indoor photo look less yellow
Reduce the yellow cast in an indoor photo with browser-based edits, then check white objects and skin tones to keep the result natural.
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Tests
Why files disappear after copying to a USB drive
Find out why copied files vanish from a USB drive, check for fake capacity or file errors, and learn what to do before trusting it again.
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Tests
What charging rates reveal about a worn connector
Compare charging rates across cables and ports to spot clues of a worn connector, and learn how to separate a loose port from a weak charger.
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Tests
Laptop speakers sound distorted at high volume
Find out whether distortion comes from the audio, a setting, or failing laptop speakers, then test at safer levels and work through likely fixes.