How-to

A corrupted DNS cache sends your browser to stale addresses, causing pages to fail for no obvious reason. Here is what the cache does, how t

An aging iPad usually slows because of full storage and accumulated app data rather than the processor. Here is how to clean it out and rest

Earwax and pocket lint kill AirPods sound quality and charging contacts. This guide covers the safe tools to use, how to clean the mesh and

Random shutdowns and rapid drain usually mean a worn battery rather than a failing phone. Here is how to read Battery Health, interpret the

HRV is one of the better indicators of recovery and stress. Here is why it matters, how to record readings on Apple Watch, where to view the

macOS shows accessory battery levels in several places, none of them obvious. Here are five ways to check AirPods, Magic Mouse, and keyboard

Apple Pencil gives no battery indicator of its own. Here is how to see the charge level via the Batteries widget or Settings, and how to che

You need the serial number for warranty claims and to verify a secondhand pair is genuine. Here are three places to find it, plus how to che

Netflix only offers its own avatars in the app. Here is how to swap your profile picture on iPhone, plus the browser extension route if you

WhatsApp lets you set a background for all chats or just one conversation. Here is how to apply a preset, solid color, or your own photo, an