To fix this Windows 10 login error, you will have to update the password on the device that is showing the error. Fix – Your Password Was Changed on a Different Device in Windows 10 This error message appears because Device B couldn’t recognize the password change made on device A. However, when you try logging into Device B, your secondary device, the login will fail and you will receive an error message ‘Your password was changed on a different device. When you change the account password using Device A, you will be able to log in to the same device using any mode. You have linked both devices with the same Microsoft account and Windows Hello. Consider your primary device as A and your secondary device as B. Let’s understand it with the help of an example. This will lead to the error message ‘Your password was changed on a different device.’ Now if you have changed your Microsoft account password, the other devices with the same account won’t be able to recognize the password change. PIN or biometric lock is device-specific, whereas the account password is server-specific. You might be wondering, what causing the issue, right? Here’s the answer, You must sign in to this device once with your new password, and then you can sign in with your PIN in Windows 10 Your password was changed on a different device. What actually happening is whenever they are entering PIN to login to device, they seeing a error message that reads: Some users reporting that they are unable to login Windows 10 device even after entering the right credentials. Sometimes this security feature can turn into a problem especially when you have linked multiple Windows 10 devices with the same Microsoft account.