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
Memory benchmark crashes the page? What to check
Learn why a memory benchmark can crash a browser tab, how to retest safely, and what signs suggest a wider computer or RAM problem.
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Tests
How to compare storage performance before upgrading
Record a storage baseline before upgrading, then compare large-file speed, small writes and scores under the same browser and power conditions.
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Tests
How to test a gyroscope on a moving platform safely
Test whether your phone's gyroscope responds on a moving platform, without confusing turns with bumps or putting yourself at risk.
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Tests
Why battery percentage doesn't show battery health
A battery at 100% may still hold far less energy than when new. Learn what charge percentage means and how to check battery health instead.
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Tests
Why a website cannot identify your motherboard
Learn why websites cannot reliably read your motherboard model, what browser-based System Info can show, and where to check the model locally.
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Tests
How to compare screen colors with night mode on
Compare the same color patterns with night mode on and off, identify the filter's warm shift, and check whether a tint remains when it is disabled.
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Tests
256GB card tests as smaller? What to do
Learn why a 256GB card may show about 238GB, how to verify its real capacity safely, and what to do if it fails before you trust it with files.
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Tests
How to check memory throughput after a BIOS update
Compare read, write, copy, and latency results after a BIOS update, then check memory settings and test conditions before blaming your RAM.
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Tests
Why HTTPS matters for local browser tools
Learn how HTTPS protects the page and enables browser permissions, what it does not guarantee, and how to check your browser's secure features.
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Tests
Laptop battery drains while plugged in: what to check
Use Battery Meter to see whether your laptop is charging, then compare charge rates and check the adapter, cable, workload, and power settings.
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Tests
Router bandwidth limit? What to inspect
Check whether a router limit, device setting, Wi-Fi issue, or internet plan is slowing you down, then test changes without guessing.
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Tests
How to document a PC's condition before shipping
Create a clear record of a PC's working condition before shipping it, with test results, photos, identifying details, and packing evidence.