Command Prompt
Command Prompt and PowerShell help: fixes when they won't open or keep popping up, plus how to find your IP address and use common commands.
Browse guides →Pick the topic that matches what you need.
Command Prompt and PowerShell help: fixes when they won't open or keep popping up, plus how to find your IP address and use common commands.
Browse guides →How to use Windows Disk Cleanup safely, free up space, and fix it when it gets stuck, goes missing or won't show previous Windows installations.
Browse guides →Fixes for BIOS and UEFI boot problems, noisy or stuck PC fans, and Device Manager errors with missing audio, Bluetooth and other hardware.
Browse guides →Windows 10 fixes for backup failures, install loops, missing drivers, Windows Defender and Start menu problems, with step-by-step solutions.
Browse guides →Windows 11 fixes for the Start menu, File Explorer, Control Panel, Task Manager and Windows Hello problems, with clear step-by-step solutions.
Browse guides →Safe Registry Editor guides: how to delete entries, reset defaults, disable features and fix Regedit settings that keep reverting on Windows.
Browse guides →Use Reset this PC and choose Remove everything for a Windows 10 or 11 factory reset; keeping files is not the same thing.
Check Settings > Windows Update to see whether you’re up to date, downloading, or waiting on install. You can also view installed updates and fix common errors.
Windows install usually wipes only the drive or partitions you target, not every connected drive, but one wrong choice can erase the wrong disk fast.
If Windows reset stays on “Getting things ready” for under 2 hours, keep waiting. After 2 to 4 hours with no activity change, move to recovery steps.
If Windows Security is missing in Windows 11, reset the app first, then check whether the icon is hidden.
Change a file’s extension in File Explorer, convert the file format with an app, or switch the default app that opens it in Windows 11 and 10.
Guides start from the questions readers actually ask and are checked against official documentation and manufacturer sources.
Read our editorial policy →