Thinkpad Fingerprint Reader AES2550 / AES2810 by AuthenTec Inc. and Linux

Thinkpad LogoThe fingerprint reader of a Thinkpad T4** can be used on Linux together with the fprintd library for the usual gdm login in. But there is no way to use the fingerprint reader at power on even a power on password was defined 🙁

The problem is that the fingerprint has to be written into the bios to get a pre-desktop / pre-boot authentication.

There is no way to write it on Linux.

A native Win* installation is needed… I haven’t it and won’t it!

Using VirtualBox I was able to write the fingerprint into the real bios of the T400. Windows XP Professional as guest was used, running “setup32_xvp.exe”, downloaded here from Lenovo. At first I got a strange “C:\WINDOWS path too long” error message as a part of the *.msi installation… Really strange.

However I have fixed this in the end: And my fingerprint was saved to into the Thinkpad bios with success!

The Lenovo software for Windows isn’t needed any more afterwards.

As a final step the gdm login can be disabled to make things 100% comfortable – by booting directly into the preferred user environment (System Settings -> User Accounts). Nice 😉

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