knorth55's memo

Technical memo by @knorth55

T450

ThinkPad T450 cannot detect wifi adaptors

My T450 suddenly could not find wireless devices with lcpci. $ uname -r 4.2.0-42-generic $ lspci -nn | grep -i net 00:19.0 Ethernet controller [0200]: Intel Corporation Ethernet Connection (3) I218-V [8086:15a3] (rev 03) I upgrade BIOS ver…