Blog
Short, practical guides for checking your hardware and fixing what the tests find.
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Tests
MIDI notes keep sounding after a controller disconnects
Learn why a synth keeps playing after a MIDI controller disconnects, how to inspect note-off messages, and what to reset before reconnecting.
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Tests
Microphone hum near a charger: what to check
Find out whether a charger is causing microphone hum, separate room noise from electrical interference, and try safe fixes before replacing your mic.
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Tests
Speaker buzzes only at certain notes: what to test
Find the note that triggers a speaker buzz, then check whether it comes from the driver, a loose object, or your audio setup.
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Tests
How to test Wi-Fi near a garage or workshop
Map Wi-Fi quality from the house to your garage or workshop, spot weak areas, and test whether a router move or access point improves the connection.
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Tests
What a 100-point CPU score can and can't tell you
Learn what a browser CPU score out of 100 says about single-core and all-core speed, what it cannot prove, and how to compare runs fairly.
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Tools
What to check before an overnight online seminar
Check the seminar time, internet, audio, camera and battery before you join, with a simple browser checklist for overnight sessions.
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Tests
Back up data before testing a flash drive
Back up and check your files before a flash drive capacity test. Learn what the test writes, how to verify your copy, and when it is safe to proceed.
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Tests
Integrated GPU sharing RAM: what should you test?
Learn how shared system memory affects an integrated GPU, what the Memory Test can reveal, and how to spot normal limits versus a real problem.
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Tests
How to check if power mode affects memory tests
Compare memory test results in different power modes with repeatable runs. Learn what score changes mean and how to separate a real effect from background load.
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Tests
Can a loud speaker test damage weak drivers?
Learn why loud test tones can stress weak speaker drivers, how to use a bass sweep safely, and what to do if you hear rattling or distortion.
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Tools
How to convert a photo for printing at home
Convert a photo to JPG, PNG, or TIFF for your home printer. Choose a compatible format, protect image quality, and check print size before you print.
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Tools
How to make a QR code for an event calendar invite
Create a QR code that opens an event page or calendar file, then check access, dates, and phone behavior before printing or sharing it.