Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.

The method you'll need to scan a document on a Mac depends on what kind of scanner you have. Here's how to set up nearly any ...

A fingerprint scanner is a small electronic device that guards your computer from intruders. You place your fingertip on the reader; it scans your fingerprint and compares it to the prints stored in ...

What do you do when the "Check Engine" light comes on in your car? A lot of people just ignore it; after all, that sensor is notorious for lighting up for no reason. On the other hand, it could ...

For nearly a decade, Bill focused on printer and scanner technology and reviews for PCMag, and wrote about computer technology since well before the advent of the internet. He authored or co-authored ...

You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.