it won't turn on , when I press the on button

Hi , i really nerd help please ! I have a le novo thinkpad t470s with a dual battery and it won't turn on , when i press the on button the keyboard lights up like its going to turn on but it shutdown rightaway , i tries to hold for 30 sec the botton but nothing happened , the batteries are difficult to remove im afraid if i do that i'll break it .