fingerprint scanner for BIOS passwords

Hi Andrey,

Welcome to Dell community.

Yes,you can use finger print scanner with TMP to store BIOS passwords on Latitude E7240. Please Install program and follow steps to enable TPM security and enroll fingerprints. 

http://dell.to/1lu3zJX 

Latitude E6400 Fingerprint Setup 

1. Turn on computer and go into bios by hitting F2 at startup.
2. Click on the plus button to the left of security.
3. Select TPM Security.
4. Check the box on the right hand screen and check the box for TPM Security and make sure activate is selected.
Hit exit.
5. When computer reboots, Log into windows.
6. Click on start, then all programs.
7. Click on the folder named 'Dell ControlPoint'.
8. Click on the Dell ControlPoint icon.
9. Once in the control point program- click on the Security Manager button on the bottom left.
10. Click on the Manage Security button on the right side.
11. Once into Security Manager click on Settings beside Trusted Platform Module. Click continue.
12. Click on the Manage tab. Click on Enable to Enable the TPM Security Chip. Reboot computer.
13. Click on modify when a “request to change configuration is pending” screen comes up.
14. Go back into Trusted Platform Module settings. Go to manage tab and click establish button next to Ownership.
Create Owner password and confirm. You should see “Accessing security chip. Please wait…” and later a
window indicating that the “Ownership of the TPM security chip was established successfully”.
15. Go back into ControlPoint Security Manager and click on settings next to Fingerprint Reader.
16. When pop up window comes up click Next. Go through wizard to set up fingerprint reader. Skip create system
password.
17. Creating system password is not necessary, if you don't want to put a password in for your bios just click on skip.
Enter windows password and click next.
18. Select which finger you want to use by clicking on it. Swipe finger 4 times to enroll.
19. If failed to enroll fingerprint error message comes up- follow instructions on the bottom of the the page.
20. Once finger is enrolled go back to Security Manager window and click on Logins and Passwords on the left side.
21. Click on Settings to the right of 'Require a fingerprint or password for windows logon'. Click continue.
22. Click on windows login on the left hand side.
23. Check the box that says Enable Secure Windows Login. Change the drop down box for authentication for Secure
Windows login to password or biometric.
24. Uncheck the box that says Replace Ctrl+Alt+Delete with biometric authentication. Click Apply and restart
computer.
25. Authenticate Using Biometric screen will come up- slide finger. Proceed normally.

Let me know if you need more help and we'll be happy to check.