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 test edge gestures on a foldable device
Test edge touches on both screens of a foldable, then find out whether missed swipes come from the touch screen, Android gestures, or an app.
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Tests
What a V30 card rating does not tell you
A V30 label guarantees a minimum sequential write rate for video, not every task. Learn what it says, what it leaves out, and how to test a card.
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Tests
How to map Wi-Fi performance in a dorm
Map Wi-Fi quality across a student dorm, compare rooms and busy hours, and distinguish weak coverage from congestion with a browser-based test.
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Tests
Why your phone gets hot and charges slowly
Learn why a hot phone charges slowly, compare its charging rate safely, and check whether heat, your charger, cable, or a phone setting is the cause.
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Tests
How to verify a suspicious USB drive before returning it
Check a USB drive's real capacity, catch fake-size write and read-back failures, and keep clear evidence before you request a return.
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Tests
Battery percentage rises when unplugged: what to check
Check whether a rising battery reading is an estimate, a hidden power connection, or a battery fault, then compare it with your system indicator.
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Tests
Connection drops after router overheating: how to test
Test whether connection drops after a router overheats come from Wi-Fi, the router, or your provider, then check cooling and confirm the fix.
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Tests
Why a laptop's charge indicator updates slowly
Learn why a laptop's charge percentage can lag, how to check the battery's reported status, and when slow updates point to a charger or battery problem.
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Tests
How to test a work VPN after a network switch
Check whether a work VPN reconnects safely after switching Wi-Fi or Ethernet, and learn what a browser leak test can and cannot confirm.
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Tests
Why text leaves trails on a fast gaming monitor
Learn why moving text leaves trails on a fast gaming monitor, how to tell ghosting from blur, and which display settings to change first.
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Tests
Temporary image retention or a stuck pixel?
Learn how to tell a temporary afterimage from a stuck pixel, when to wait for it to fade, and when the Stuck Pixel Fixer may help.
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Tests
Why a laptop loses power faster on an external monitor
Learn why an external monitor can drain a laptop faster, how to compare battery use fairly, and which display or power settings to check.