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
Why router gaming mode may not fix bufferbloat
A router's gaming mode can prioritize traffic without controlling queues. Test loaded delay, find the bottleneck, and choose fixes that can help.
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Tests
Pitch bend wheel jumps between values? How to test it
Check whether a pitch bend wheel sends abrupt MIDI jumps or whether your music app is changing the bend, then work through practical fixes.
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Tests
How to check microphone behavior while typing softly
Compare your voice level with quiet typing, spot when keystrokes enter the mic, and check whether processing or mic placement reduces them.
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Tests
How to see which browser engine you are using
Check whether your browser uses Blink, WebKit, or Gecko, learn what the engine means, and confirm the result with TooLab's Browser Info.
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Tests
How to test bass vibration in a small room
Use a slow bass sweep to find whether a speaker, shelf, door, or loose object is vibrating, then isolate the cause and reduce the rattle.
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Tests
Why a USB microphone sounds different through a hub
Find out whether a USB hub is changing your microphone's sound or exposing a settings, power, or device-selection problem, then test the cause.
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Tests
Video upload stalls near completion: what to check
Find out why a video upload freezes near 100%, separate connection trouble from a site or file limit, and choose a safe next step.
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Tests
How to test an L-shaped office for Wi-Fi weak spots
Map Wi-Fi quality around both arms of an L-shaped office, spot slow or unreliable areas, and compare results after moving your router or access point.
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Tests
What speed is enough for a remote desktop workstation?
Learn how much download and upload speed remote desktop needs, why latency matters more than peak speed, and how to test both ends.
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Tests
How to check browser privacy on public Wi-Fi
Check what a VPN leak test can reveal before using public Wi-Fi, then protect your login with practical browser, VPN, and network checks.
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Tests
MIDI pad controller sending the wrong notes?
Test the MIDI note each pad sends, then check banks, pad maps, and app settings to find why a controller triggers the wrong sound.
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Tests
How to check an inherited family laptop
Use a browser-based check to test an inherited laptop's screen, keyboard, sound, camera and connection, then decide what to fix before anyone relies on it.