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| Malfunction Cursor fluttering |
| Indicator Status Indicator is not lighting while the cursor flutters |
| Estimation 1.Defect of driver 2.Defect of Host Computer |
| Trouble Analysis 1.In the process of USB controller installation, there is always an incompatibility. 2.A bad serial port on the mainboard always causes the same problem even if the panel is not connected. |
| Solutions Reinstall the system or replace one host. |