Sorry for the inconvenience caused to your use! According to the situation you described, it is possible to find the corresponding directory file, that is, it may be caused by abnormal system files or data loss of the equipment motherboard, which needs to be refreshed for special inspection. Because the brush machine is risky, it may lead to no warranty, and the official does not recommend that you handle it yourself. Please take the time to maintain the station and ask the engineer to assist you in testing and handling. Official website authorized maintenance site inquiry:/Lenovo /WSI/ station/service station.

Thank you for your support to Lenovo and wish you a happy life!