Blog
Short, practical guides for checking your hardware and fixing what the tests find.
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Tests
How to document a PC's condition before shipping
Create a clear record of a PC's working condition before shipping it, with test results, photos, identifying details, and packing evidence.
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Tests
How to check an HDMI adapter for output limits
Check whether an HDMI adapter limits resolution or refresh rate, and separate adapter problems from issues with the cable, port, monitor, or settings.
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Tests
Why battery percentage drops faster in cold weather
Learn why cold makes a battery percentage fall quickly, how to compare the drain safely, and when the change may point to a worn battery.
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Tests
What steady jitter tells you about a Wi-Fi connection
Learn what consistently high Wi-Fi jitter means, how to test it in your browser, and what to change if calls or games keep stuttering.
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Tools
How to check a photo's EXIF date
Find the capture date saved in a photo's EXIF data, learn which date field to trust, and understand why it may differ from the file date.
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Tools
How to plan a cross-border video game event time
Compare local times, account for daylight saving, choose a fair start time, and send a game event invite that players in every region can trust.
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Tests
Why browser storage tests use temporary data
Learn why a browser storage test writes temporary data, what stays on your device, and how to interpret the speed results safely.
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Tests
Why a fast NVMe drive feels slow in an old laptop
A fast NVMe SSD can still feel sluggish in an old laptop. Test storage speed, then check the slot, heat, free space, and everyday bottlenecks.
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Tests
How to map Wi-Fi coverage before moving furniture
Map Wi-Fi quality in each room before moving furniture, compare weak spots, and choose a better layout using repeatable readings instead of signal bars.
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Tests
Printer missing one color: what to check
Print a color test page to tell whether a missing color comes from a clogged nozzle, empty cartridge, grayscale setting, or the document itself.
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Tests
How to check a computer that was stored for years
Inspect a computer safely after years in storage, start it without risking damage, then test its battery, screen, keyboard, storage, and more.
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Tests
How to monitor dropouts during an online exam
Check for brief connection drops before or during an online exam, learn what the results mean, and choose safe fixes without disrupting your test.