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
How to compare Wi-Fi on a staircase landing
Compare Wi-Fi quality on a staircase landing and nearby rooms with repeatable browser tests, then spot coverage gaps and choose what to change.
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Tests
Cheap 1TB flash drive: how to verify its size
A cheap 1TB flash drive may show the wrong capacity. Learn how to run a full write-and-read check and interpret the result before trusting it.
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Tests
Test a laptop before browser video calls
Check your laptop's processor, camera, microphone and connection before a browser video call, then fix common problems before the meeting starts.
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Tests
Compare VPN behavior in normal and private tabs
Compare VPN leak test results in normal and private tabs, check whether your browser extension runs in both, and learn what an IP difference means.
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Tests
How to test a small PC in a closed cabinet
Check whether a closed cabinet is making your small PC slow down with a brief load test and a controlled open-versus-closed comparison.
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Tests
What a browser battery estimate can't reveal about health
Learn what a browser battery estimate can tell you, what it cannot reveal about battery health, and which checks give you better evidence.
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Tests
Why a headphone amplifier causes clipping
Learn why headphones distort at high volume, how to test for clipping safely, and which settings or connections to check before replacing gear.
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Tests
How to spot heat-related slowdown without sensors
Check whether your computer slows as it warms up without temperature readings, using a repeatable performance check and a browser-based load test.
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Tests
Why USB-MIDI ports change names after reconnection
Learn why a USB-MIDI port gets a different name after unplugging, and how to identify the right input and check that notes still arrive.
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Tests
How to compare battery drain during music and silence
Compare battery drain during music playback and silence with the same settings, then see whether audio, streaming, or screen use explains the difference.
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Tests
How to test a single pixel on an external laptop display
Check one pixel on an external laptop display with solid colors, separate a stuck pixel from a signal problem, and choose the right next step.
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Tests
Why a warm room changes sustained CPU performance
Learn why a warm room can lower sustained CPU speed, how to compare repeatable test results, and when cooling or a repair may help.