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
Storage speed collapses mid-benchmark? What to test
Learn why storage speed can fall during a test, how to repeat the benchmark fairly, and what to check before blaming your SSD or drive.
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Tests
Why a USB capacity test needs more than one file
A write can appear successful even when a drive has less flash than it claims. Learn why a full write-and-read test reveals its real capacity.
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Tests
Why a MIDI keyboard sends Note On with zero velocity
Learn why a MIDI keyboard may show Note On with velocity 0, how to tell a normal key release from a fault, and what to test next.
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Tests
Why does a charger slow down when a device gets hot?
Find out why charging slows as your phone or laptop heats up, compare charger and cable behavior, and learn when to let it cool or get it checked.
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Tests
How to test Wi-Fi through walls and floors
Map Wi-Fi quality through walls and floors, find weak rooms, and learn whether distance, interference, or your internet connection is causing dropouts.
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Tests
What to inspect when your VPN exit address is shared
A shared VPN exit address is usually normal. Learn how to check for IPv6 or WebRTC leaks and decide whether to switch servers or settings.
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Tests
Can flashing colors fix a stuck pixel?
A flashing pixel pattern may free a stuck subpixel, but it is not a guaranteed repair. Learn how to test safely and when the screen needs service.
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Tests
Why Wi-Fi feels worse when a room is crowded
Compare Wi-Fi response time, jitter, and drops in an empty and crowded room, then use practical checks to find what is slowing your connection.
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Tests
Flash drive failed a capacity test? What to do
A failed flash drive capacity test can mean fake storage, a damaged drive, or a test issue. Learn how to check the result and protect your files.
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Tests
Monitor colors look washed out? What to test
Test whether washed-out colors come from your monitor, a display setting, HDR, or the source device, then try the quickest fixes first.
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Tests
What to test before a DSLR time-lapse project
Check your SD card speed, capacity, interval, focus and power before a DSLR time-lapse, then run a short capture test to catch problems.
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Tests
VPN works on mobile data but not Wi-Fi
Find why your VPN connects on mobile data but fails on Wi-Fi. Check for network blocks, app settings, and IP leaks, then choose the next fix.