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I'm trying to figure out how to set the fingerprint reader in my Thinkpad E540 as this is the only remaining component not recognised during the OS install.

Apparently the setup is quite easy and fingerpring-gui is working after doing an install from PPA sources.

But when I try to use the GUI, in the fingerprint devices dropdown list only appears:

No device found!

When I run lsusb I can see a fingerprint reader listed:

~# lsusb |grep -i finger
Bus 003 Device 004: ID 138a:0011 Validity Sensors, Inc. VFS5011 Fingerprint Reader

As per some research I can't find a suitable solution.

I've double-checked permissions and it's not related.

I also executed fingerprint-gui as root but the problem persists. See the screenshot:

enter image description here

Anyone with the same issue that could help me up?

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2 Answers 2

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Have you tried setting the permissions for /dev/bus/usb/003/004 to 666 mode? try this command:

sudo chmod 666 /dev/bus/usb/003/004

Or try running fingerprint-gui with sudo command to grant root permissions. that probably solves the problem.

Let us know if it works or not. I have the same problem with my sensor, but it seems that the driver is missing for me. Usually thinkpad uses the Upek brand for sensors, but for x1 apparently they have decided to go with Validity Sensors Inc.

Cheers,

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Take a look at list of supported devices on PPA page. It doesn't support our device :((

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