Can not open computer?

Brand new computer, not set up yet. Put in the password they sent me ,an nothing happens. Now I’m not very computer savvy

Computer from where?

Laptop from linux

Supplier, there is no company called linux.

Bios password prehaps ?

did u buy it online or from a physical store?
take it back would be my 1st option

Welcome to the Forum!

Is it a Password for preinstalled Windows? Or for Encryption? Could you mabe make a Picture of it and post it here? Did You contact the Seller?