How to Fix Fix Windows Login Screen Frozen or Not Responding on Windows
Login screen frozen? Can't click on password field? Lock screen stuck and not responding to keyboard or mouse? Fix frozen login screen on Windows 10 and 11.
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Main Troubleshooting Guide
How to Fix Black Screen on Startup →Complete symptoms, causes, and step-by-step solutions
Symptoms
You might be experiencing this problem if you notice:
- •Login screen appears but clicking the password field does nothing
- •Lock screen image shows but swiping up or clicking doesn't reveal login
- •Keyboard input not accepted at the login screen
- •Login screen loads but mouse cursor is frozen
- •Screen shows user account but "Sign in" button doesn't respond
- •Login screen freezes after entering password — spinning dots forever
Common Causes
- ⚠Windows Credential Provider or login UI process (LogonUI.exe) crashed
- ⚠Corrupted user profile preventing login initialization
- ⚠GPU driver failing to render the login screen properly
- ⚠Third-party credential provider (VPN, fingerprint) conflicting
- ⚠Corrupted Windows login cache or NGC folder
- ⚠Fast Startup causing incomplete session initialization
Solutions
Solution 1: Force Restart and Basic Fixes
- 1Press Ctrl+Alt+Del — if it responds, select "Restart" or "Task Manager"
- 2If Ctrl+Alt+Del doesn't work: hold the power button for 10 seconds to force shutdown
- 3Boot again — the problem may be a one-time glitch
- 4If it recurs, try: press Ctrl+Alt+Del → click the power icon → Restart
- 5Wait 2-3 minutes before force-shutting down — login may be loading slowly
- 6Try pressing Enter, Tab, or Space to dismiss the lock screen
- 7Disconnect all USB devices except keyboard and mouse, then restart
Solution 2: Boot into Safe Mode
- 1Force shutdown 3 times during boot to trigger Windows Recovery:
- 2Power on → wait for Windows logo → hold power button → repeat 3 times
- 3Select Troubleshoot → Advanced Options → Startup Settings → Restart
- 4Press F4 for Safe Mode or F5 for Safe Mode with Networking
- 5If login works in Safe Mode, the issue is a driver or startup program:
- 6Uninstall recently installed software or drivers
- 7Disable third-party credential providers in Settings → Accounts → Sign-in options
- 8Run: sfc /scannow in Safe Mode to repair system files
Solution 3: Fix Login Infrastructure
- 1In Safe Mode or Recovery, open Command Prompt:
- 2Reset the NGC folder (PIN/Windows Hello cache):
- 3takeown /f C:\Windows\ServiceProfiles\LocalService\AppData\Local\Microsoft\NGC /r /d y
- 4icacls C:\Windows\ServiceProfiles\LocalService\AppData\Local\Microsoft\NGC /grant administrators:F /t
- 5rd /s /q C:\Windows\ServiceProfiles\LocalService\AppData\Local\Microsoft\NGC
- 6This forces re-setup of Windows Hello/PIN on next login
- 7Disable Fast Startup: powercfg /hibernate off
- 8Create a new user account if the current profile is corrupted:
- 9net user TempAdmin Password123 /add && net localgroup administrators TempAdmin /add
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