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 .

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Removal of bottom cover - ThinkPad T470s :

https://pcsupport.lenovo.com/nz/en/solut...

Close laptop and turn over.

Loosen the screws 5 screws on bottom.

Lift cover off.

Removal of the built-in battery on the front

https://support.lenovo.com/nz/en/solutio...

Remove two (2) screws.

Lift battery towards centre of laptop

Removal of the built-in battery on the rear

Remove two (3) screws.

Lift battery towards centre of laptop

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