If you've forgotten the password to your Toshiba Satellite A665 laptop, don't worry, you're not alone. Forgetting passwords happens to the best of us, especially in today's digital age where we have to remember multiple passwords for various accounts. Here are some steps you can take to unlock your Toshiba Satellite A665 laptop:

1. Reset Your Microsoft Account Password: If your laptop is linked to a Microsoft account, you can reset your password online through the Microsoft website.
2. Use Password Reset Disk: If you created a password reset disk before forgetting your password, you can use it to reset your Toshiba Satellite A665 laptop password.
3. Boot into Safe Mode: You can try booting your laptop into Safe Mode and login with the default administrator account to reset your password.
4. Use Third-Party Password Reset Tools: There are several third-party password reset tools available online that can help you unlock your laptop. Make sure to use a reputable tool to avoid any security risks.
5. Contact Toshiba Support: If all else fails, you can contact Toshiba customer support for assistance in unlocking your laptop.

Remember to create a password reset disk or use a reliable password manager to avoid this situation in the future. It's essential to keep your passwords secure yet accessible for situations like these.