I have a four-year-old 17-inch Sony VAIO laptop. Everything worked great until I upgraded to Windows 7 Ultimate 64-bit. The laptop crashed, and even after I formatted the drive and did a clean reinstall of Windows 7, it continued to crash. Whenever I got it to boot, it produced lines in any video that I...

The good: A simple pairing procedure, easy access to music navigation controls, and secure ear clips make the Outdoor Technology Bluetooth Tags a useful accessory for active music lovers. The bad: The long cable connecting the two earpieces can sometimes be a nuisance. The bottom line: We recommend the...

Mobile networks in North America are filled to 80 percent of capacity, with 36 percent of base stations facing capacity constraints, according to a survey by investment bank Credit Suisse. Networks in other regions also are more than 50 percent utilized, with the global average at 65 percent, Credit Suisse...

A model of the Internet where the Pentagon can practice cyberwar games — complete with software that mimics human behavior under varying military threat levels — is due to be up and running by this time next year, according to a published report. Called the National Cyber Range, the computer...

The Senate Commerce Committee voted Wednesday to approve legislation aimed at resolving long-standing issues for mobile broadband users, both public and private. Co-sponsored by Committee Chairman Jay Rockefeller (D-W. Va.) and Ranking Member Kay Bailey Hutchison (R-Tx.), S. 911, the “Public Safety...