ok. Please open a terminal (Ctrl+Alt+T), then type: sudo apt-get -y purge boot-sav sudo apt-get update sudo apt-get -y install boot-repair boot-repair
Indicate the output of these commands if any problem.
ok. Please open a terminal (Ctrl+Alt+T), then type:
sudo apt-get -y purge boot-sav
sudo apt-get update
sudo apt-get -y install boot-repair
boot-repair
Indicate the output of these commands if any problem.