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
Is my USB flash drive fake? How to check its real size
Check whether a USB flash drive is falsely reporting its capacity, verify how much data it can really store, and tell fake size from slow speed.
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Tests
Mouse double-clicks on a single click: how to fix it
If your mouse double-clicks when you press once, test whether the switch sends extra clicks, then adjust click speed, check the connection, or replace it.
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Tests
Only one side of my headphones works
Find out whether one headphone channel is silent, then check balance settings, the cable, Bluetooth, and the audio source to fix it.
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Tests
Laptop camera not working in Zoom or Teams
Test whether your laptop camera works outside Zoom or Teams, then fix the privacy, app, or device setting blocking your video.
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Tests
How to check a new monitor for dead pixels
Check every color and corner of a new monitor for dead or stuck pixels, then decide what to do before your return window closes.