All year long, I hear from readers and friends sharing their tech woes. Last year, I wrote about ways to avoid tech problems. This year, I’m sharing how to tackle the most common issues, including laggy internet, Bluetooth fails and public Wi-Fi connection conundrums.

If you have suffered from one of these headaches—or are similarly bombarded with queries as the official family IT person—there’s good news: With patience, you can solve the majority of problems yourself.