Article Number: 000145172
The following article provides information on how to reset Windows Hello if the options grey out after upgrading your TPM on a Dell PC.
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:
Follow these steps to reset the windows Hello biometrics on your Dell PC:
Open the Services Panel and Stop the biometric service:
Press the Win + R keys together to open a Run dialog box
Type services.msc
Select Windows Biometric Service from the left hand side column
Right click on it and select Stop from the list that appears
Backup the old database:
Open Windows Explorer
Navigate to C:\Windows\System32\WinBioDatabase
Copy and paste the .DAT files into a new folder you've created
Delete the old database:
Open Windows Explorer
Navigate to C:\Windows\System32\WinBioDatabase
Delete the .DAT files
Open the Services Panel and Start the biometric service:
Press the Win + R keys together to open a Run dialog box
Type services.msc
Select Windows Biometric Service from the left hand side column
Right click on it and select Start from the list that appears
Register your Biometrics again:
Go to Account Settings
At Sign-in options go through the registration process to re-register your biometrics
If you are experiencing another issue with Window's Hello Biometrics, then please check out the following articles from Dell:
G Series, Alienware, Inspiron, Latitude, Vostro, XPS
21 Feb 2021
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Solution