Blog
Short, practical guides for checking your hardware and fixing what the tests find.
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Tests
What memory tests reveal about virtual machines
Learn how to read RAM test scores in a virtual machine, why host load and assigned memory affect results, and what a browser test cannot prove.
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Tests
Mechanical keyboard key stops working when warm
Find out whether heat is exposing a switch, cable, or software problem. Test the key safely, then decide what to clean, replace, or repair.
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Tests
How to validate flash storage bought online
Test the usable capacity of a marketplace USB drive or SD card, spot fake storage, and preserve evidence before you ask the seller for a refund.
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Tests
Why processor speed and internet speed are unrelated
A faster CPU won't raise your internet plan's Mbps. Learn what each speed measures, test them separately, and find which one is slowing you down.
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Games
How to compare aim performance with different mouse pads
Compare mouse pads fairly with the same aim task, sensitivity, and mouse. Track accuracy and time to see whether a surface helps your control.
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Tests
DAW plays wrong notes? Inspect MIDI messages
See whether your MIDI keyboard sends the wrong notes or your DAW changes them, then check note values, channels, octave shifts, and track routing.
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Tests
How to prepare your webcam for a remote job interview
Check your camera, framing, lighting, and permissions before a remote job interview, then fix common problems that can leave the video dark or unavailable.
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Tests
Laptop shuts down under load: what to inspect
Find out whether heat, power, or a failing battery may be causing a laptop to shut down under load, and what to check before another test.
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Tools
How to extract a color value for a CSS custom property
Pick a color from your screen, copy its HEX value, and add it to a CSS custom property you can reuse across your styles, then check the syntax.
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Tests
How to compare one pixel under five colors
Use black, white, red, green, and blue screens to check one suspicious pixel, identify a possible stuck subpixel, and decide what to do next.
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Tests
Laptop chassis vibrates during audio: what to test
Find out whether bass is making a loose laptop panel vibrate, then isolate the sound and check the safest fixes before considering repair.
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Apps
How to create a side-by-side before and after image
Make a clear before-and-after image with matching photo sizes, clean alignment, and simple labels using TooLab Photo Editor in your browser.