As per screenshot , all network in my laptop have been removed suddenly , and I can't connect to internet.
Would you please support !
lspci -nnk | grep 0200 -A2
01:00.0 Ethernet controller : Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10) Subsystem: Lenovo Device [17aa:380b] 02:00.0 Network controller : Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
lspci -nnk | grep 0200 -A2Welcome to Ask Ubuntu.
sudo modprobe r8169Now does ethernet appear in the Network Manager icon? Please then run:
ifconfigand post the result.