If you want to use your HDTV as a second or third monitor, you may need to use a different port, such as your graphics card’s DisplayPort output.

The colon ( : ) and semicolon ( ; ) are frequently used incorrectly in place of each other. The two punctuation marks serve very different purposes, and should not be used interchangeably. Colon A ...

Sidecar in macOS turns your iPad into a second display, but it's limited to certain Macs and iPads. Thankfully, a few third-party apps can help if you have an older Apple device or Windows PC.

The latest stories from our Planet or Plastic? series—a multiyear effort to raise awareness about the global plastic waste crisis.