Blog
Short, practical guides for checking your hardware and fixing what the tests find.
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Games
Why games ignore controller vibration
Check whether your controller can vibrate, then troubleshoot game support, connection type, battery, and settings that may be blocking rumble.
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Tests
How browser versions change canvas rendering
Learn why the same canvas can look different after a browser update, how to record the browser version, and how to separate rendering changes from app bugs.
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Tests
Why a bass sweep finds vibrating furniture
A slow bass sweep can expose furniture that buzzes only at certain pitches. Learn how to test safely, locate the source, and stop the rattle.
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Tests
Why a router speed test differs from a laptop speed test
See why router and laptop speed tests disagree, then compare them fairly to find whether Wi-Fi, the router, or the test is limiting results.
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Tests
Does a metal laptop stand help cooling?
Compare your laptop's performance on a metal stand and a hard desk, learn what an Overheating Test can reveal, and check whether airflow is being blocked.
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Games
How to test a controller with an aftermarket cable
Test whether an aftermarket controller cable carries data and stays connected, then isolate faults in the cable, USB port, or controller.
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Tests
Why does my mouse scroll wheel reverse briefly?
Find out whether brief reverse scrolls come from the mouse wheel, a setting, or an app, then isolate the cause with a browser test and simple checks.
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Tools
Photo includes an embedded preview? What to do
Learn why a photo may contain an embedded preview, how to check whether it shows an older edit, and how to make a safer copy before sharing.
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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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Tools
How to compare two sets of installation instructions
Compare two installation guides step by step, spot changes in order, tools, settings, and warnings, and decide which version is safe to follow.
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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.