Blog
Short, practical guides for checking your hardware and fixing what the tests find.
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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.
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Tests
Why your webcam changes colors when you move
See why webcam colors shift when you move, test the camera outside your calling app, and adjust lighting, white balance, or permissions.
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Tests
How to check focus on a webcam with no autofocus
Check whether a webcam is sharp at your normal distance, tell fixed focus from a fault, and find the right next step without installing software.
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Tests
What to check before installing new desktop speakers
Check your PC's audio output, speaker power, cables and placement before setup, then test left and right channels to catch connection problems.
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Tests
How to check a monitor for brightness pulsing
Use a browser display test and simple setting checks to find out whether monitor brightness pulsing comes from the screen, cable, or computer.
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Tests
Why blacks look purple on some LCD screens
Find out whether purple-looking blacks come from LCD viewing angles, display settings, or a panel fault, then test the screen and choose the right fix.