Windows 10: Resetting the Windows Hello Biometrics

The following article provides information on how to reset Windows Hello if the options grey out after upgrading your TPM on a Dell PC.

Table of Contents:

1. Windows Hello options are greyed out after upgrading the TPM
2. How to reset Windows Hello
3. Other useful Windows Hello Articles

Windows Hello options are greyed out after upgrading the TPM

If you have upgraded the TPM (Trusted Platform Module) on your Dell PC and now you can't run Windows Hello through setup, then the next section in this article will take you through some steps to resolve this. If you are having another issue with Windows Hello on a Dell PC, then please check out the articles in the third section.

Please check out the article below for more information about Windows Hello:

• What is Windows Hello?

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How to reset Windows Hello

Follow these steps to reset the windows Hello biometrics on your Dell PC:

Note: Please be aware, these steps will reset Windows Hello for every user registered on the PC.

1. Open the Services Panel and Stop the biometric service:

   1. Press the Win + R keys together to open a Run dialog box

   2. Type services.msc

   3. Select Windows Biometric Service from the left hand side column

   4. Right click on it and select Stop from the list that appears

2. Backup the old database:

   1. Open Windows Explorer

   2. Navigate to C:\Windows\System32\WinBioDatabase

   3. Copy and paste the .DAT files into a new folder you've created

3. Delete the old database:

   1. Open Windows Explorer

   2. Navigate to C:\Windows\System32\WinBioDatabase

   3. Delete the .DAT files

4. Open the Services Panel and Start the biometric service:

   1. Press the Win + R keys together to open a Run dialog box

   2. Type services.msc

   3. Select Windows Biometric Service from the left hand side column

   4. Right click on it and select Start from the list that appears

5. Register your Biometrics again:

   1. Go to Account Settings

   2. At Sign-in options go through the registration process to re-register your biometrics

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Other useful Windows Hello Articles

If you are experiencing another issue with Window's Hello Biometrics, then please check out the following articles from Dell:

• What is Windows Hello?
• How to Configure Windows Hello in Windows 10 for Biometric Scanners
• Windows 10 Hello Facial Recognition feature - supported systems and requirements
• Windows Hello setup not functioning after Fall Creators Update

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