Available to Windows Insiders, the built-in tool measures your upload and download speeds over Ethernet or Wi-Fi.

The power supply on a computer transforms the alternating current from the wall outlet into a direct current flow that the computer's components can use. Testing the DC voltage output of the power ...

The "Line In" audio jack on your computer enables you to connect a microphone or other audio output device with a 1/8-inch miniature plug to your computer. On some computers, especially laptops, as ...

In this article, we have covered some best free Keyboard Tester software for Windows 11/10. These are helpful to check if your laptop keyboard keys or external keyboard keys are working fine or not.

You don’t need access to fancy test gear to check and fault-find computer data cables. Instead, this simple device will give a quick indication of the status of point-to-point cable wiring; ie, ...