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 print quality before and after cleaning
Print the same test page before and after a printer cleaning to see whether streaks, missing lines, or uneven color actually improve.
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Tests
Why black text looks blurry on printed pages
Learn why black text prints blurry, use a printer test page to spot the pattern, and check settings, paper, ink or toner before replacing parts.
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Tests
Why a mobile browser cannot access every sensor
Learn why a phone browser may show only some sensor readings, how to check permissions and compatibility, and what you can try next.
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Tests
Why a mouse behaves oddly on a soft mouse pad
Learn why a soft mouse pad can cause skipping, jitter, or slow tracking, how to compare surfaces with a browser test, and what to change next.
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Tests
How to test your network while someone else is streaming
Compare connection stability before and during a stream, read the results, and find out whether Wi-Fi, congestion, or another issue needs attention.
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Tests
Can upload speed limits make video meetings smoother?
Learn when an upload cap can reduce lag in video meetings, how to test for bufferbloat, and what to change on your router.
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Tests
Test a monochrome printer with a color test page
Print a color test page on a monochrome printer to check gray tones, black density, banding, and text, then separate driver settings from print defects.
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Tests
Printer text slightly shifted: what to test
Test whether shifted text comes from print scaling, paper feed, or printer alignment, then follow checks that isolate the cause.
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Tests
How to check a gaming PC after transport
Check for loose parts, overheating, display faults and crashes after moving a gaming PC, then run browser tests before you play.
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Tests
How to check office computers before an event
Use TooLab's Test Everything to check each office computer, then verify the display, audio, network, files, and meeting setup in the room.
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Tests
How to compare sensor readings after a reboot
Compare sensor readings before and after a reboot with the same setup, learn which changes are normal, and find out when to check permissions or hardware.
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Tests
Why a sensor test must run on the device being checked
A browser sensor test reads hardware and permissions on the device running it. Learn why remote checks fail and how to test the right phone or tablet.