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How to Fix Keyboard Not Working on Windows 11 Quickly
Windows 11

How to Fix Keyboard Not Working on Windows 11 Quickly

Match the symptom first: BIOS or another PC means Windows; failure there means hardware. Then follow login-screen checks, driver fixes, Fn lock steps, and hardware tests.

How to Fix Windows 10 Not Booting: Safe Repair Steps
Windows 10

How to Fix Windows 10 Not Booting: Safe Repair Steps

Match the exact boot failure first, then use the least risky repair for a black screen, Automatic Repair loop, or no boot device error.

Command Prompt fix corrupt files: what to run first
Windows

Command Prompt fix corrupt files: what to run first

Use CHKDSK for disk errors, DISM for Windows image corruption, and SFC again for system-file damage. Pick the right Command Prompt repair path in the right order.