The customer reported a blurred screen.The service technician confirmed the reported problem, being that the screen could not work normally and the display was abnormal.The service technician restarted the device, checked the service manual, and found the display's abnormal malfunction was caused by the vga (video graphics array) pcb (power control board) failure.The device did not have patient involvement at the time the issue was discovered, therefore, there was no patient or user harm reported.The service technician replaced the vga pcb to resolve the reported issue.The service technician tested and inspected data, and the device turned to full functionally.
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