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Lcd led digital intelligent 4k touch screen interactive panel whiteboard nano smart classroom blackboard
- Installation: Vertical; Horizontal; Wall-mounted; Portable;
- Screen: Touchscreen;
- Operating System: Android; Windows; Dual system;
- Size: 50''; 55''; 65''; 75''; 85''; 98''; 100''; 110'';
Troubleshooting & Maintenance: Solutions for Touch Failure & System Switching Issues
1. Touch Malfunction Diagnosis
1.1 Basic Checks
Step 1: Verify screen protector compatibility (OEM recommended)
Step 2: Check stylus battery (green LED = normal)
Step 3: Hard reboot (hold power 10s)
1.2 Advanced Diagnostics
Symptom | Possible Cause | Solution |
Dead zones | Capacitive grid damage | 25-point calibration → Replace |
Stylus works/finger fails | Palm rejection enabled | Settings → Touch → Disable "Palm Rejection" |
Intermittent touch | 2.4GHz interference | Switch to 5GHz WiFi |
Component | Lifespan | Replacement Guide |
Stylus tip | 500k clicks | Twist counterclockwise → Snap new tip |
Cooling fan | 3yrs/20k hours | Professional service required |
Battery | 5yrs | Contact authorized service |
Requirement: Active internet connection
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Get in Touch
For further information, don't hesitate to reach out to us via email.
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