Need to unLocked bios on dell inspiron 1720

[Jenlee3184]

After my grandmother passed I got her laptop I need to change a few things in the bios but there's a password on everything dell inspiron 1720 system number is GV03PD1-595B

 

[learninmypc]

I would suggest going here https://www.dell.com/en-us/shop/dell-laptops/sc/laptops to contact dell