TRACERT is a Windows command-line tool that shows the path data takes from your computer to a website, server, or internet service. It is commonly used to diagnose network and connectivity problems. Introduction When you visit a website, your data does not travel directly from your computer to the destination. Instead, it passes through multiple […]
NSLOOKUP is a simple command-line tool used to query DNS (Domain Name System) servers. It is often used by IT professionals to troubleshoot website, email, and network issues. Introduction Every time you visit a website, your computer needs to convert a name into an IP address that computers can understand. This process is performed by
DHCP is a service that automatically assigns IP addresses and other network settings to devices on a network, allowing them to communicate with each other and access the internet. Introduction Every device connected to a network needs an IP address. Examples include: Without an IP address, a device cannot communicate on the network. DHCP makes
Flushing the DNS cache can help resolve website access problems, incorrect website redirections, and name resolution issues. Introduction Windows uses a feature called the DNS cache to remember the addresses of websites you have recently visited. This helps websites load more quickly because Windows does not need to repeatedly look up the address of the
Although Telnet is an old technology and is no longer recommended for remote administration, it remains a useful troubleshooting tool for testing whether a network service is reachable. Introduction Telnet was originally designed as a remote access protocol, allowing users to connect to and control systems over a network. Today, it has largely been replaced
Improve Wi‑Fi coverage, performance, and features by using your broadband provider’s router as a modem while a separate router handles your home network. Introduction Many broadband providers supply a router that combines multiple functions into a single device: While these devices are convenient, their wireless performance may not always meet your needs, particularly in larger
Test your internet connection speed from any browser. No information is stored locally – This is intended to be indicative only.
Quickly identify devices on your home network and discover which common services they are running. Introduction Have you ever wondered what devices are connected to your home network? With smart TVs, phones, tablets, printers, cameras, games consoles, and smart home devices all sharing the same broadband connection, it can be difficult to know exactly what’s
One of the quickest ways to connect a wireless printer to your home Wi‑Fi network without entering a password. Introduction Many broadband provider routers include a feature called WPS (Wi‑Fi Protected Setup). WPS allows compatible devices, such as printers, to join your wireless network without manually entering the Wi‑Fi password. This can be particularly useful
A collection of useful online tools that can help diagnose DNS, email, networking, website, and security issues. Introduction Whether you’re troubleshooting a website, investigating an email delivery problem, validating DNS records, or checking network connectivity, the right tools can save a significant amount of time. This article lists some of the most useful online resources
Enjoy reliable internet access in your garden, summerhouse, workshop, or garden office. Introduction Many homeowners discover that their Wi‑Fi signal drops significantly once they step outside. While your internet may work perfectly indoors, large gardens, thick walls, and distance from the router can quickly reduce signal strength. Whether you’re working from a garden office, installing
A useful reference guide for IT professionals, students, and anyone troubleshooting network connectivity issues. Introduction Network ports allow devices and applications to communicate across a network. Different services use specific port numbers to send and receive data. When troubleshooting connectivity issues, reviewing firewall rules, or configuring applications, understanding common port numbers can be extremely useful.
Thinking about installing a mesh Wi‑Fi system? Follow these best practices to get the most from your investment. Introduction Mesh Wi‑Fi systems have become increasingly popular in homes where a single router struggles to provide reliable coverage. Unlike traditional Wi‑Fi extenders, mesh systems are designed to work together as a single wireless network, helping eliminate
The location of your Wi‑Fi router can have a bigger impact on performance than upgrading your broadband package. Introduction Many people assume slow Wi‑Fi is caused by their internet provider, when in reality the problem is often poor router placement. A router hidden behind a television, placed inside a cupboard, or positioned in the corner
Follow these steps to identify and resolve common network printer connection problems in Windows. Introduction Network printers allow multiple users and devices to share a single printer across a home or business network. While generally reliable, network printer issues can occur for a variety of reasons, including connectivity problems, driver issues, print spooler failures, or
Follow these simple checks to identify and resolve common home broadband and Wi‑Fi problems. Introduction Few technology issues are more frustrating than losing your internet connection. Whether you’re working from home, streaming television, gaming online, or simply browsing the web, a broadband outage can bring everything to a halt. The good news is that many
Before buying Wi‑Fi extenders and repeaters, it may be worth investing in a better router. Introduction Poor Wi‑Fi coverage is one of the most common technology frustrations in the home. When video calls freeze, streaming buffers, or websites load slowly, many people immediately purchase a Wi‑Fi repeater or range extender. While repeaters can solve some
Learn how the nltest /sc_reset command can help resolve domain authentication problems and restore communication with a domain controller. Introduction In Active Directory environments, every domain-joined computer maintains a secure channel with a domain controller. This secure channel is used to validate credentials, apply Group Policy, access network resources, and perform many other domain-related functions.
One of the quickest ways to diagnose network and internet connection problems in Windows. Introduction The PING command is a simple networking tool built into Windows that tests whether your computer can communicate with another device or service. When troubleshooting connectivity problems, PING can help determine whether the issue lies with: What Is PING? PING
