How to reset your Roku TV (and why I do it even if my system is working properly) ...

Turn off your system. Remove the power cord and disconnect all the peripherals. Disconnect the charger if it is a laptop. Press and hold the power button for up to 30 seconds. Turn on your system.

Is your Mac running slower than usual, or are you planning to sell it and worried about your personal data? These are common concerns for many Mac users. The good news is, there’s a straightforward ...