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 spot a repeating pattern of network interruptions
Use a browser connection test to log response gaps, jitter, and lost requests, then compare their timing with Wi-Fi, router, and device activity.
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Tests
How to compare internet speed during peak hours
Measure your connection at busy and quiet times, compare download, upload, ping and jitter, and find out whether a slowdown is local or upstream.
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Tests
How to compare router latency under load
Compare two routers fairly by holding the device, connection, and network load constant, then measure which adds less delay during downloads and uploads.
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Tests
How to compare charging after a software update
Compare charging speed before and after an update using the same charger, cable, outlet and test conditions, then check settings if the rate changes.
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Tests
Office printer disrupts calls? What to check
Measure how much an office printer raises room noise, check whether your microphone picks it up, and reduce interruptions during calls.
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Tests
Why high-resolution displays demand more graphics work
Learn why 1440p and 4K make graphics chips work harder, how to compare your setup, and which settings can ease slowdowns.
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Tests
Fast internet but random buffering? How to diagnose
Check whether random buffering comes from Wi-Fi drops, latency, or the streaming service, using connection stability and speed tests.
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Tests
Stuck subpixel changes intensity: what to check
A subpixel that gets brighter or dimmer may be a panel fault or a display effect. Learn how to isolate the cause before trying a fix.
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Tests
How to inspect a touchscreen for visual defects
Check a touchscreen for dead pixels, uneven colors, image retention and visible damage, then learn which defects settings can fix and which need repair.
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Tests
How to test Wi-Fi next to a baby monitor
Compare Wi-Fi response time, jitter, and dropped requests with a baby monitor on and off, then use the results to find a more reliable setup.
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Tests
Why is HDMI audio quieter than headphones?
Find out whether low HDMI volume comes from your computer, monitor, or audio settings, then compare outputs and adjust the right control.
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Tests
Battery drains faster on Wi-Fi? How to check
Compare battery drain with Wi-Fi on and off, track the rate with Battery Meter, and learn what a browser test can and cannot tell you.