Linux on the laptop works so damn well that it’s boring
I had the following - and luckily they worked great under Linux (Ubuntu LTS or Lubuntu):Lenovo ThinkPad x61s
Lenovo ThinkPad x220
Lenovo ThinkPad x230
Lenovo ThinkPad 
Lenovo ThinkPad x1
DELL Latitude E7450 and similarProblematic:Lenovo ThinkPad x240 - hypersensitive touchpad makes mouse pointer jumpt while writing text