Guides & how-to articles
Step-by-step help with router security, Wi-Fi performance, and home networking - explained simply.
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Wi-Fi5GHz vs 2.4GHz Wi-Fi: Which Band Should You Use? 5GHz is faster but shorter range; 2.4GHz reaches farther through walls. Learn the difference, which Wi-Fi band to use for each device, and how band steering works. -
TroubleshootingCan't Connect to Home Wi-Fi? How to Diagnose and Fix It Can't connect to your home Wi-Fi? Isolate the cause fast: is it one device or all, won't-join or no-internet? Then apply the right fix for phone, laptop, or router. -
NetworkingHow to Find Your MAC Address (Windows, Mac, Phone) Find your MAC address on Windows 11, macOS, iPhone, and Android in a few taps. Includes a router shortcut and how to handle private or randomized addresses. -
TroubleshootingFix "Default Gateway Is Not Available" on Windows Fix the "Default gateway is not available" error in Windows 11 and 10. Ordered fixes from a quick restart to TCP/IP reset, driver updates, and power-saving settings. -
TroubleshootingFix "Wi-Fi Doesn't Have a Valid IP Configuration" Fix the "Wi-Fi doesn't have a valid IP configuration" error in Windows. Renew your DHCP lease, forget the network, reset TCP/IP, and check the router step by step. -
MobileHow to Improve Your Cell Phone Signal (Free & Paid Fixes) Fix weak cell signal with free steps like Wi-Fi calling and repositioning, then learn the real difference between a signal booster, a femtocell, and Wi-Fi calling. -
Wi-FiHow to Improve Your Wireless Wi-Fi Network Coverage Eliminate Wi-Fi dead zones and get reliable whole-home coverage. Free placement fixes, plus a clear mesh vs extender decision and the wired-backhaul tip most miss. -
SpeedHow to Increase Internet Speed: Fixes That Actually Work Speed up your internet with proven fixes: find the real bottleneck, reposition your router, pick the right Wi-Fi band and channel, use Ethernet, and when to upgrade. -
SpeedWhat Is Internet Bandwidth? Mbps & How Much You Need Internet bandwidth explained: how it differs from speed, throughput, and latency, the Mbps vs MB confusion, upload vs download, and how much you actually need. -
PrivacyHow to Keep Your Internet Privacy Safe in 2026 A practical guide to protecting your online privacy: lock down accounts, harden your browser, block trackers, share less, and clear up incognito and VPN myths. -
PrivacyHow to Perform a DNS Leak Test (and Fix Leaks) Run a DNS leak test to check if your VPN is exposing the sites you visit. Learn to read the results, find the cause, and fix DNS, IPv6, and WebRTC leaks. -
SecurityHow to Protect Your Computer From Viruses and Malware Protect your PC or Mac from viruses and malware with a simple layered approach: antivirus, updates, safe habits, and backups. Plus how to spot fake virus pop-ups. -
NetworkingHow to Restart Your Xfinity Gateway (3 Easy Ways) Restart your Xfinity Gateway by power cycle, the Xfinity app, or the website. A restart keeps your Wi-Fi settings and fixes most issues, unlike a factory reset. -
SecurityHow to Secure Your Wi-Fi Network: 2026 Step Guide Secure your Wi-Fi network in 2026: change the admin password, enable WPA3, disable WPS and remote management, and isolate smart devices. A practical checklist. -
SecurityHow to Set Up the Firewall on Your Xfinity Gateway Set up your Xfinity Gateway firewall at 10.0.0.1. Understand the Minimum, Typical, and Maximum security levels, choose the right one, and avoid blocking your apps. -
SecurityHow to Use Public Wi-Fi Safely (2026 Practical Guide) Public Wi-Fi is safer than it used to be, but evil-twin hotspots and fake login pages still matter. A practical safety checklist, minus the scare tactics. -
MobileWhat Is 5G? The Fifth-Generation Network Explained 5G is the fifth generation of cellular technology: faster speeds, ultra-low latency, and huge capacity. Plus how it works and differs from the 5 GHz Wi-Fi band. -
SecurityWhat Is Wireless MAC Filtering? How It Works & Limits Wireless MAC filtering controls which devices can join your Wi-Fi by their hardware address. Learn how it works, how to set it up, and why it is not real security. -
SpeedWhy Is My Internet So Slow? Find the Real Cause The pattern of when your internet slows down reveals the cause. Diagnose Wi-Fi issues, bandwidth hogs, peak-hour congestion, throttling, and data caps step by step.