Removing a BIOS password on a Dell Inspiron 15 laptop can be a frustrating experience, but with the right information and tools, it is definitely achievable. Here's a step-by-step guide on how to remove a BIOS password on your Dell laptop:

1. Reset BIOS Settings: Try resetting the BIOS settings to default. This can sometimes remove any existing BIOS password.
2. Use Backdoor Passwords: Some manufacturers have backdoor passwords that can bypass the BIOS password. Research Dell's backdoor passwords for your specific laptop model.
3. Remove CMOS Battery: Open up your laptop, find the CMOS battery on the motherboard, and remove it for a few minutes. This can reset the BIOS settings and remove the password.
4. Contact Dell Support: If all else fails, contacting Dell support is your best option. They may provide you with a master password or guide you through the process.

Removing a BIOS password requires delicate handling to avoid damaging your laptop, so proceed with caution. Following these steps should help you remove the BIOS password on your Dell Inspiron 15 laptop.