Tutorial Home > PC Hardware > Peripherals Peripherals Peripherals are external devices connected to the computer. Among these devices are the monitor, scanner, webcam, and ever-important printer. But what happens when a peripheral starts acting up? Find out how to deal with gibberish, print long file documents, print off the web, set up and troubleshoot a scanner and more.   Topics   Monitors   Printers   Scanners   Webcams   Digital Cameras: Basic to Advanced