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 inspect touch zones used by navigation buttons
Find out whether missed navigation taps come from a touchscreen dead zone, an operating system gesture area, or the button layout itself.
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Tests
How to test a touch monitor connected through USB
Test taps, multitouch, and dead zones on a USB touch monitor, then find out whether the problem is the cable, screen mapping, Windows, or hardware.
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Tests
How to test an external SSD's transfer speed
Measure an external SSD's read and write speed in your browser, then check whether the cable, port, hub, or drive is slowing transfers down.
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Tests
What CPU tests reveal about a thin office laptop
See what single-core and all-core CPU results can tell you about a thin office laptop, how to spot heat or power limits, and what to check next.
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Tests
How to interpret shader performance in a browser test
Learn what shader power and fill rate mean in TooLab's browser Graphics Test, how to compare results fairly, and what to check when a score seems low.
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Tests
Battery drain jumps at 10 percent: what to inspect
Check whether a 10 percent battery drop is real, caused by a power-hungry app, or a battery gauge estimate, then choose the right next step.
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Tests
Why a printer creates shadows beside text
Learn what faint duplicate edges beside printed text can mean, use a printer test page to isolate the cause, and try the safest fixes first.
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Tests
How to check a keyboard after a firmware reset
Check every key and common key combinations after a keyboard firmware reset, then separate a layout change from a keyboard or connection fault.
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Tests
How to check if a USB Ethernet adapter is the bottleneck
Compare wired speed, link rate, cable, router port, and another adapter to find out whether your USB Ethernet adapter is limiting the connection.
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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.