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
Why a modern browser can still lack a required API
A current browser can still miss a website's required API because of its engine, settings, permissions, or security context. Find the cause and next step.
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Tests
CPU test freezes the browser? What to check
Learn why a browser may stop responding during a CPU test, how to recover safely, and how to check for heat, memory pressure, or software problems.
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Tests
How to test a mouse after replacing its switches
Check each mouse button, single clicks, double-click behavior, and scrolling after a switch replacement, then narrow down missed or repeated clicks.
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Tests
Why does my monitor show a pink tint on white?
A pink cast on white screens can come from a color setting, cable, or monitor fault. Test the display and narrow down the cause.
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Tests
What to test before renting a remote work apartment
Check internet speed, upload capacity, Wi-Fi coverage, and connection stability in the rooms where you'll work before you sign a lease.
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Tests
SD card keeps showing old files? What to check
Find out whether loop recording is normal, the card is misreading files, or its capacity is fake, then test it safely before trusting it.
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Tests
How to spot repeated latency spikes during a workday
Track response time, jitter and lost requests throughout the day, then compare spikes with your location, network activity and work interruptions.
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Tests
How to measure battery use during a browser workload
Measure battery drain during the same browser task, learn what the rate means, and compare results without mistaking a short test for battery health.
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Tests
Why checking free space cannot prove drive capacity
A drive can report plenty of free space and still have less real capacity. Learn why, and how a write-and-read test checks it.
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Tests
How sustained CPU performance can reveal poor airflow
Learn how to compare CPU performance under sustained load, what a slowdown may say about airflow, and which cooling checks to try next.
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Tests
How to test Wi-Fi quality in an attic office
Map Wi-Fi quality at your desk, stairs, and router to find weak spots, then use the results to choose a better router position or connection.
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Tests
How to inspect keyboard behavior after remapping keys
Check whether remapped keys send the expected input, separate software mapping from hardware faults, and find the right setting to correct it.