Beelink CS-June Magnum626 Hello there, Could you please send us a picture of SN code at the bottom of machine ? Here is the driver file for SER5 MAX 6800: https://url.bee-link.cn/UX3B The tutorial: https://buildin.ai/lizong/share/50c2dee7-dcde-4707-97d8-dc7eac84a4eb It is suggested that you first try updating the chipset driver on the PCI driver. Have a nice day~