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Windows 11 Won't Boot
Learn how to diagnose and fix Windows 11 startup failures, black screens, boot loops, and Automatic Repair issues using safe troubleshooting methods.
Symptoms
- Computer is stuck on the Windows logo.
- Black screen appears after pressing the power button.
- Windows keeps restarting automatically.
- Automatic Repair launches every time the computer starts.
- The system never reaches the Windows sign-in screen.
- A blue recovery screen appears with error messages.
Possible Causes
- Corrupted Windows system files.
- Incomplete or failed Windows Update.
- Damaged Boot Configuration Data (BCD).
- Hard drive or SSD errors.
- Recently installed faulty drivers.
- Hardware failure such as faulty RAM or storage.
Step-by-Step Repair
- Disconnect all USB devices except the keyboard and mouse, then restart the computer.
- Force the computer into Windows Recovery Environment by interrupting startup three times.
- Select Troubleshoot > Advanced options > Startup Repair and allow Windows to attempt automatic repair.
- If Startup Repair fails, choose Startup Settings and boot into Safe Mode.
- Open Command Prompt and run: sfc /scannow
- Then run: DISM /Online /Cleanup-Image /RestoreHealth
- Restart the computer normally.
- If Windows still won't boot, use System Restore to return the PC to an earlier working state.
- If recovery fails, reset Windows while keeping personal files if possible.
Difficulty
Medium
Read Time
10 min
Category
Computer
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