Issue Description
Phone vibrates or rings, but screen remains black.
Common Causes
- Display driver crash
- Brightness set to minimum
- Hardware damage
Step-by-Step Solution
Step 1: Force Restart
- Hold Power + Volume Down for 20 seconds
Step 2: Increase Brightness
- Swipe down blindly
- Adjust brightness slider
Step 3: Boot into Safe Mode
- Check if screen works
Step 4: Connect to External Display (If Supported)
- Confirms screen hardware failure
Explore Further
- Screen replacement if hardware issue
Prevention & Best Practices
Avoid drops and pressure.