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 short speed test misses connection problems
See why a quick speed test can miss dropouts, and learn to check connection stability over several minutes to find spikes, jitter, and lost requests.
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Tests
Touchscreen detects my palm as a finger: what to do
Find out whether stray touches come from palm rejection, the screen, or a setting, then try fixes for Windows laptops, tablets, and phones.
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Tests
Printer produces uneven borders? What to test
Use a browser printer test page to separate print settings, paper loading, feed alignment, and print quality problems, then choose the right fix.
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Tests
How to compare microphone distance for tutorials
Compare spoken tutorial recordings at different microphone distances, use the browser meter and playback, and choose a clear level without excess room noise.
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Tests
How to check speaker vibration after replacing an enclosure
Use a slow bass sweep to find new rattles after an enclosure swap, then isolate loose parts, room objects, and speaker or cabinet problems safely.
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Tests
What to test before printing wedding invitations
Check your printer's color, alignment and paper feed before using wedding stationery, then print a full-size proof to catch layout issues.
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Tests
What to check before adding an access point upstairs
Map upstairs Wi-Fi before buying an access point. Find where coverage weakens, choose a practical spot, and know what to retest afterward.
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Tests
USB-C cable works for data but charges slowly
A USB-C cable can transfer files and still limit charging. Compare the cable, charger and device to find what is slowing it down.
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Tests
Why one bookshelf speaker rattles more than the other
Use a slow bass sweep and a few simple swaps to find whether the rattle comes from the speaker, its placement, the source, or the room.
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Tests
How to inspect an MPE controller's MIDI messages
Check whether an MPE controller sends separate note, pressure, and pitch data, and learn what a browser MIDI test can and cannot confirm.
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Tests
How to check an SD card before using it in a dashcam
Check a dashcam SD card's real capacity before loading it. Learn how to run a read-back test, spot failures, and what the result cannot prove.
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Tests
How to check Wi-Fi coverage before buying a mesh kit
Map Wi-Fi quality room by room before buying mesh. Learn how to spot coverage gaps, separate them from slow internet, and choose where to retest.