When your windows laptop does not start and assuming you have windows 10 or 11 on it, then you can go to

https://onedrive.live.com and log in with your Microsoft id to see and retrieve your documents, pictures, etc.

What is the Microsoft id?

It is an email address you used when you logged into your computer or associated with your pin of the computer. You can reset the password for your Microsoft id here: https://account.microsoft.com/account/Account