How-To Guides
Technology help, in plain English
Step-by-step guides for the problems people actually run into — connectivity, browsers, Windows, phones and specific error codes. Every guide is written and reviewed by our editorial team and dated.
Featured
How to Fix “DNS Server Not Responding” Error
This error means your PC cannot reach the service that turns website names into addresses. Here is how to fix it on Windows and Mac.
How to Reset Network Settings on Windows 10 and 11
A network reset reinstalls your adapters and clears broken settings. Here is exactly how to do it, what it changes, and what to do afterwards.
Why Is My Wi-Fi So Slow? Common Causes and Fixes
Slow Wi-Fi usually comes down to distance, interference, an overloaded channel, or an old router. Here is how to find the cause and speed things up.
Browse by topic
Windows
Step-by-step help for the Windows problems people hit most often — connectivity that stops working, network settings that need resetting, updates that fail, and performance that drags.
Browsers
When a browser stops loading pages, slows to a crawl, or crashes as soon as it opens, the cause is usually a handful of familiar culprits.
Internet & Networking
Most ‘the internet is down’ moments come down to Wi-Fi, DNS, or a single misbehaving device — not the whole connection.
Android & iPhone
Phone problems tend to cluster around updates, app stores and connectivity.
Security & Privacy
Security guidance that sticks to safe, mainstream advice — how to read a certificate warning, reset a browser without losing what matters, and control cookies — with no scare tactics and no dubious tools..
Error Codes
Have an exact error code or message? This section indexes every code in our database.
All guides
How to Fix “DNS Server Not Responding” Error
This error means your PC cannot reach the service that turns website names into addresses. Here is how to fix it on Windows and Mac.
How to Reset Network Settings on Windows 10 and 11
A network reset reinstalls your adapters and clears broken settings. Here is exactly how to do it, what it changes, and what to do afterwards.
Why Is My Wi-Fi So Slow? Common Causes and Fixes
Slow Wi-Fi usually comes down to distance, interference, an overloaded channel, or an old router. Here is how to find the cause and speed things up.
How to Fix Wi-Fi Connected but No Internet on Windows
Your laptop shows a full Wi-Fi signal but nothing loads. Here is why that happens and a step-by-step fix for Windows 10 and Windows 11.
Common Tech Problems and How to Fix Them
A plain-English guide to the most common tech problems on Windows, macOS, the web, and phones — what causes each tech problem and how to fix it fast, with links to step-by-step guides..
Why a Problem in Technology Happens — the Common Root Causes
Almost every problem in technology traces back to one of about eight root causes — corruption, permissions, drivers, storage, memory, network, configuration, or capacity.
Recurring Tech Issues That Keep Making the News
Following current events on technology, the same categories of failure keep recurring: buggy security updates, cloud outages, certificate expiries, and DNS incidents.
Looking for a specific error code?
Search the error-code database or browse the full list.