If you are selling or donating your old Mac, be sure to secure your data and properly set it up for the new owners.
CNET's Dan Graziano shows you how to revert your Chromecast back to its original factory state.
Learn how to perform this "last resort" method on your Android.
If you're selling your Lumia 900 or are having issues with it and want to start fresh, you'll need to do a factory reset. Here's how.
Having issues with your PlayBook? Perhaps you are looking to sell it. It's a good idea to restore it in either case. Learn how to factory reset your BlackBerry Playbook in our next CNET How To video.
Oops! The social network says it was wrong when it sent an e-mail to many users saying that their passwords had been reset in response to a security issue at another site.
To celebrate Hubble's 24th birthday, the space agency released the infrared-light images of "a churning region of star birth" that is just 6,400 light-years from Earth.
"Today, more than half of the most valuable Internet companies are not in the US. It's never been the case for such a huge, abrupt shift in the nature of human work," Sequoia Capital's Michael Moritz said.
Intel CEO Brian Krzanich touched on the delay of the chip factory in Arizona, the start of Broadwell production in the first quarter, and the strength of the desktop, among other topics.
If audio stops working properly in OS X, there are several approaches you can take to reinitialize the audio system and get things working again.