A network adapter, also known as a network interface controller or network interface card, enables an Acer Aspire to connect to the Internet. Some network interface cards use Ethernet connections to ...

USB wireless adapters for laptops offer a means of connecting your laptop to the internet when the laptop itself does not have an internal Wi-Fi connection or the existing internal hardware is broken.

Dan Ackerman leads CNET's coverage of computers and gaming hardware. A New York native and former radio DJ, he's also a regular TV talking head and the author of "The Tetris Effect" ...