I am on high Sierra. Just today I clicked on an update which broke while updating. First it was displaying Mac os not found. Restart again. Restart would hang u

I am on high Sierra. Just today I clicked on an update which broke while updating. First it was displaying Mac os not found. Restart again. Restart would hang up and say some installer is missing. I had to Google, run some commands to eventually make it work. On clean of windows I used to download drivers from ubuntu since windows did not load them.