Seriously, just take it to Best Buy or Staples. They'll take your old laptops, printers, and other tech junk off your hands for free. Some places will even give you a gift card for your trouble. It's ...

You can connect most PCs to a projector in just a few simple steps using an external VGA or HDMI cable.

You can print on a Mac computer either wirelessly or with a USB cable. Here's how to set up a wired or wireless printer on your Mac and print files.

Install nmap if you don't already have it on your Linux computer. Run "sudo apt-get install nmap" on Ubuntu, or "sudo dnf ...