Holding down the shift key while turning a Mac on will boot it into Safe Mode. Here's how to start a Mac in Safe Mode and use it to diagnose issues.

ZDNET's key takeaways The Black Screen of Death is incredibly annoying, but often easily diagnosed.The most common culprits are outdated software or faulty drivers. With a few quick fixes and basic ...

Learn how to boot into Safe Mode on Windows 8 with our easy-to-follow guide. Safe Mode is a diagnostic startup mode that allows you to troubleshoot and fix various issues with your Windows 8 system.

The San Francisco 49ers have named Mac Jones their starting quarterback for Sunday night's game against the Atlanta Falcons. Head coach Kyle Shanahan ruled starter Brock Purdy out due to a toe injury.

The San Francisco 49ers are quite the same but with Brock Purdy regressing health wise, the door appears still somewhat open for Mac Jones. Some have debated the talent part but the turf toe has made ...

SANTA CLARA, Calif. -- The San Francisco 49ers will welcome tight end George Kittle back from his hamstring injury Sunday night against the Atlanta Falcons, but quarterback Brock Purdy's return from a ...