Answer to "Windows 7 reset password/log in"you can reset Windows 7 password with '''++Chntpw++'''. It will be a little complicated. And also, you can use the professional tool like iSunshare Windows Password Genius. It can help you to create a recovery disk on any other accessible computer . Then you can reset Windows 7 password easily. But it will not help you find back the previous password.
Answer to "Reset bios password on N150 LAPTOP"This guide might contains what you need to reset BIOS password: https://www.wikihow.com/Reset-a-BIOS-Password.