Kenny
Sorry for inconvenience to you. Here are the possible solutions :
① Please try to install the Ethernet driver: https://url.bee-link.cn/SzSO
Tutorial: https://url.bee-link.cn/wEmk
②Please clear the CMOS. Please turn off the PC, unplug the power supply, and press the CMOS button (or poke the hole of CMOS with a pin) for about 10 seconds. Next, restart the PC after ten minutes. Here is the tutorial https://mega.nz/file/2nIRGaYI#M2aIM2bkOJshrhE8sK8MNiKopfyHlqyjnn86TypZp2w or https://url.bee-link.cn/5FdW
③Please right click the windows–computer management–double click Services–wired config –start the service.
④Please right click the windows—setting–troubleshooting—other troubleshooters— network—run , let the PC diagnose the problem and solve it automatically.