Upgrading the Lenovo Fingerprint Software makes the single sign-on feature work abnormally - All ThinkPad the Lenovo Fingerprint Software.
When upgrading the Lenovo® Fingerprint Software from version 3.2.116 or earlier to the latest, the user has to swipe the fingerprint twice for both the power-on password and the Windows login password.
All ThinkPad® computers with the Microsoft® Windows® XP operating system and the Lenovo Fingerprint Software 220.127.116.11 or earlier installed.
To recover the single sign-on feature, do the following:
From the Windows desktop, click Start ->Run.
In the Open field, type c:\windows\system32\ATupdatePBA.exe.