Failed to open EFIBOOTmmx64.efi - Not Found
Failed to load image EFIBOOTmmx64.efi: Not Found
Failed to start MokManager: Not Fond
Something has gone seriously wrong: import_mok_state() failed: Not Found

sudo add-apt-repository -y ppa:yannubuntu/boot-repair
sudo apt-get update
sudo apt-get install -y boot-repair && boot-repair

5: input/output error