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.
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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.
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Delete Windows backup files only after you identify the backup system first. This guide shows how to remove old copies from File History, Backup and Restore, system images, and OneDrive safely.
If Device Manager shows no Camera entry after hidden devices and a rescan, check BIOS/UEFI or the USB path before uninstalling drivers.
A Windows install stuck at 33% is often a checkpoint pause, not a failure. This article shows the next fix by install type, plus restart and repair steps.
Try control.exe from Run first, then compare Search, shortcuts, and shell settings to isolate why Control Panel closes right away.
Check the signal path first: BIOS can be on the wrong port, wrong monitor, or hidden by Fast Boot. Then use the numbered fixes to bring firmware back on screen.
Use Command Prompt to reset the network layer that matches the symptom: DNS failures, socket errors, TCP/IP corruption, or adapter issues.
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