If you have forgotten the BIOS password on your Biostar motherboard, worry not, as there are ways to remove it. Here's a detailed guide on how to do it:

1. Reset BIOS to Default: In some cases, simply resetting the BIOS to its default settings can remove the password. You can do this by removing the CMOS battery for a few minutes and then putting it back in.
2. Using a Master Password: Some Biostar motherboards come with a master password that can be used to unlock the BIOS. You can contact Biostar support to obtain this password.
3. BIOS Jumper: Another method is to find the BIOS jumper on the motherboard and move it to the 'Clear CMOS' position. This will reset the BIOS settings, including the password.
4. BIOS Backdoor Passwords: There are certain default passwords that work on many motherboards. Some of the common ones are 'AMI,' 'AWARD,' 'BIOS,' 'PASSWORD,' etc. Try these to see if any of them work.

By following these steps, you should be able to remove the BIOS password from your Biostar motherboard and regain access to your system. Remember to always keep your passwords in a secure place to avoid such situations in the future.