Description of problem: Erro code while booting Version-Release number of selected component (if applicable): How reproducible: Booting the laptop with closed lid while connected external screen Steps to Reproduce: 1.Shoutdown the laptop, close lid, connect external screen through USB-C cable 2.Turn on the laptop by button on the side of laptop 3.Wait till passed POST, Lenovo logo Actual results: beeping error code 0288 "Computer Display Error" Expected results: Recognize the lid is closed Additional info: This seems like firmware bug, please report this up to Lenovo
BIOS version 1.20 fixing this. could be closed.