Depending on the model, a Compaq Presario might use a SATA hard drive or an IDE drive. The former is found in most models released after 2003, and the latter in earlier PCs. Replacing an IDE drive is ...

Formatting a hard drive along with the install of a new OS is the best option. The vast majority of operating system installations provide a "format" option as part of the installation process.

Dan Graziano is an associate editor for CNET. His work has appeared on BGR, Fox News, Fox Business, and Yahoo News, among other publications. When he isn't tinkering with the latest gadgets and gizmos ...