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
How to check if microphone automatic gain is too aggressive
Compare your microphone with Auto volume on and off, spot level pumping or rising background noise, and find settings that may be changing your voice.
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Tests
How to establish a disk speed baseline after setup
Record a repeatable disk speed baseline after setting up your computer, then compare read and write results without mistaking normal variation for a fault.
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Tests
How to compare charging on a power strip and outlet
Compare a charger on a power strip and a wall outlet under similar conditions, then see whether the difference points to the strip, cable, or charger.
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Tests
Why some camera features need a desktop browser
A camera may work on your phone while controls or quality details are missing. Learn what browsers limit and how to compare it on a computer.
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Tests
How to establish a memory performance baseline
Measure RAM read, write, copy speed, and response time, then save a repeatable result you can compare after an upgrade, update, or slowdown.
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Tests
How to check an accelerometer before a cycling app
Check whether your phone's accelerometer responds before a ride, then separate sensor problems from app permissions, mounting, and GPS issues.
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Tests
What a reported screen refresh rate does not prove
A refresh-rate reading shows what a browser can observe, but it cannot prove panel capability, steady performance, or the signal path. Here's what to check.
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Tests
What to measure before installing a Wi-Fi printer
Measure Wi-Fi quality at your printer's planned location, compare nearby spots, and fix weak coverage before you start printer setup.
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Tests
How to compare charging with the screen on and off
Compare charging rates with the screen on and off, control the main variables, and learn why a browser test may pause when the display sleeps.
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Tests
How to document hardware problems for warranty support
Document repeatable symptoms, dates, and relevant test results so warranty support can understand the problem and decide what evidence to request next.
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Tests
Skipped clicks in a browser game: how to fix
Find out whether skipped clicks come from your mouse, browser, or game, then try practical fixes for focus, settings, wireless connections, and lag.
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Tests
Why location permission disappears in private browsing
Find out why a site loses location access in a private window, what your browser remembers, and how to restore permission safely.