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 →
Missing the Microsoft Defender link? Check the Start menu, repair Windows Security, and rule out third-party antivirus before deeper fixes.
Reset File Explorer by restoring Folder Options and clearing Quick access history, then check which view settings and pinned items stay unchanged.
Spend 10 minutes checking Windows Update, indexing, low-RAM paging, and storage failure; if disk stays at 100%, suspect the drive.
If the taskbar is missing on a second monitor, check auto-hide, display settings, and off-screen placement first.
Turn off High Contrast first, then check the display cable and graphics driver; if the gray screen starts before sign-in, use recovery options.
Windows Backup transfer works on a new PC with a Microsoft account and moves synced settings, OneDrive files, and some app data.
Guides start from the questions readers actually ask and are checked against official documentation and manufacturer sources.
Read our editorial policy →