Blog
Tests
Guides for testing your keyboard, mouse, screen, sound, network and other hardware, and for fixing what the tests find.
-
Tests
Camera works in one app but not another
Find out why your camera works in one app but not another, then check permissions, device selection, and settings with a quick browser test.
-
Tests
Microphone sounds robotic or distorted: fixes
Find out whether a robotic microphone sound comes from clipping, Bluetooth, browser processing or an app, then try fixes for Windows and Mac.
-
Tests
How to tell which microphone your PC is using
See which microphone your PC sends sound from, compare connected mics in a browser test, and fix the wrong input in Windows or an app.
-
Tests
What to look for in a PC system information report
Learn how to read processor, graphics, screen, battery, and network details in a browser-based PC report, and spot what needs a closer check.
-
Tests
How to find device information before contacting support
Gather your processor, graphics, screen, battery, and network details, then add your device model and symptoms to make a useful support request.
-
Tests
How to check if your browser supports screen sharing
Check whether your browser can share a screen, try it safely, and fix common permission or device limits without installing anything.
-
Tests
Why a website keeps asking for camera permission
Find out why a site keeps requesting camera access, check whether your browser remembers it, and fix permission settings on your computer or phone.
-
Tests
Why your mouse cursor skips or stutters
Find out whether a skipping mouse cursor comes from the surface, connection, settings or hardware, then work through the fixes in order.
-
Tests
Why internet speeds differ across devices
Learn why one phone or computer gets slower internet than another, how to compare them fairly, and what to change when the gap is real.
-
Tests
Internet disconnects for seconds: how to catch it
Catch brief internet dropouts with a browser stability test, see whether they affect one device or the whole network, and choose the right fix.
-
Tests
How to test a used MIDI controller before buying
Check every key, knob, pedal, and connection on a used MIDI controller before you buy, with a browser test and a quick physical inspection.
-
Tests
What to check before selling your old laptop
Run a browser check of the keyboard, screen, ports, camera and more, then back up, erase your data and list the laptop honestly before handing it to its next owner.