T520 Fingerprint Reader

The FP facility on my new T520 does not work. Sometimes it allows FP registration but, usually this fails. Very occasionally it will allow login (twice in 3 weeks!) but there is no apparent pattern to this behavior. Today it is telling me that fingerprints have already been registered, even though all were deleted prior to yet another attempt to get it to work.
Lenoro technical support has tried to fix the problem remotely but without success. Experience suggests that the problem is not hardware, although Lenovo support is suggesting I return the machine for FP reader replacement. That will be a real pain.
My OS is Windows 7 Pro and I have already tried an earlier version of the FP software, and reinstalling the latest version (several times). The indicator lights on the FP scanner appear to be operating correctly and the device is shown as working properly in Windows Device Manager
Does anybody have any suggestions as to the likely cause of the problem?
Thanks in hope!

hey Bickbadger,
could you uninstall the security software and the fingerprint software.
once that is done, hop over to http://support.lenovo.com and install the fingerprint software first. reboot your unit then install the security software.
check the software and see if there is any fingerprint left and if there isn't any, enroll your fingerprint and try again.
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(INFO) Fingerprint Reader update, X220 & others

'afternoon.
while checking TVSU today, i was offered an update to the FPR software (v5.9.7.7226).
details are here:
32bit - http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS029766
64bit - http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS029769
looking at the Readme, i see that it includes Win8 support, seemingly on a wide range of machines.
cheers!
disclaimer: i haven't installed it yet, nor do i have Win8 of any flavor on any of my machines.
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X1C3 Helix X220 X301 X200T T61p T60p Y3P • T520 T420 T510 T400 R400 T61 Y2P Y13
I am not a Lenovo employee.

Hi eylattouf, welcome to the HP Forums. Thank you for the well crafted question!
So if the Fingerprint driver is not installed, or apparently not being recognized, check the device manager to see if there are any unknown or errored devices listed. You can show hidden devices under the 'View' menu as well. If there are errored or unknown devices, remove them before installing the Validity drivers. After that restart the computer, and install SimplePass.
Here are the drivers for the fingerprint sensor: Validity Fingerprint Sensor Driver
and the SimplePass software: HP SimplePass Identity Protection 2011 Software
As well, here is a generic troubleshooting document, which you can go through to make sure it is set up correctly:
Troubleshooting a Fingerprint Reader (Windows 7, Vista, XP)
Let me know if this helps.
TwoPointOh
I work on behalf of HP
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IPhone 6 fingerprint reader is not working.

So my iPhone 6 fingerprint reader stopped working. When i try to enable it it just says: "Failed, please try again later". I've tryed to update to iOS 8.3 but that fails too. What should i do? I recently fixed my cracked screen if that has something to do with it.

it dosent get hot, but if i push it in it can move sideways (i dont think thats a good sign) and when the phone is in standby the home button dont work at all

Ubuntu 13.10 on a T440 - Wifi, Sound, Fingerprint reader and TrackPoint issues

I recently got my t440 and put Ubuntu 13.10 on it and have had a few problems pop up. Hopefully someone here can help, or I will find solutions and post here as things get working again.
Wifi - I have a Thinkpad 11b/g/n 2x2 wireless card. I do not believe there are currently Linux drivers provided for this card. According to thinkwiki, the 1x2 version of the card works with real tek's rtl8192se driver; I have tried to load it with modprobe, but it does not work for this card. There might be a solution to this with ndiswrapper, but I haven't been successful. I have ordered an intel wireless card to replace this one.
*-network UNCLAIMED
       description: Network controller
       product: Realtek Semiconductor Co., Ltd.
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:03:00.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: bus_master cap_list
       configuration: latency=0
       resources: ioport:3000(size=256) memory:f0400000-f0403fff
Sound - The sound works when ubuntu boots, but usually crashes shortly thereafter. There are some known sound issues with 13.04 and 13.10, but I haven't been successful stopped the problem with their suggestion.
http://itsfoss.com/fix-sound-ubuntu-1304-quick-tip/
http://askubuntu.com/questions/361730/no-sounds-after-upgrade
Fingerprint reader - All previous thinkpads had AuthenTec fingerprint readers; this generation ships with Validity readers. Info on thinkwiki is describes installing fprint, but fprint does not recognize the validity reader. This post looks promising.
http://www.tuxtrix.com/2012/05/how-to-activate-validity-fingerprint.html
TrackPoint - The trackpoint pointer works fine, but lenovo did away with the physical left/middle/right click buttons. The top on the touchpad can be pressed (in windows) for left/middle/right click, but I haven't gotten this functionality enabled in Ubuntu yet. Might be able to fix this in the xorg.conf file
http://www.thinkwiki.org/wiki/Synaptics_TouchPad_driver_for_X

Fingerprint reader- above links do not resolve the problem. fprintd and frprint-demo do not recognize the Validity fingerprint sensor. My issues are the same as described in this post.
Output from lsusb
benjib0t@benjib0t-ThinkPad-T440:~/Downloads/fprint_vfs5011$ lsusb
Bus 001 Device 002: ID 8087:8000 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 004: ID 04f2:b39a Chicony Electronics Co., Ltd
Bus 002 Device 003: ID 0bda:8761 Realtek Semiconductor Corp.
Bus 002 Device 002: ID 138a:0017 Validity Sensors, Inc.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
The device id is 138a:0017. In this fedora forum, a user successfuly gets a 138a:0018 to work.
1) Clone and compile this git repo: https://github.com/maffmeier/fprint_vfs5011.git
git clone https://github.com/maffmeier/fprint_vfs5011.git
cd fprint_vfs5011
sudo apt-get install libusb-1.0-0-dev libnss3-dev libglib2.0-dev libgdk-pixbuf2.0-dev
./configure
make
sudo make install
2) This has installed libprint is /usr/local/lib, but fprintd still does not recognize the device
3) I created a symlink in /usr/lib to the libfprint I compiled, in hopes that fprintd would pick it up, but to no avail
benjib0t@benjib0t-ThinkPad-T440:/usr/lib$ sudo fprintd
Launching FprintObject
** Message: D-Bus service launched with name: net.reactivated.Fprint
** Message: entering main loop
** Message: No devices in use, exit
Maybe I'll try compiling libfprint too...

X1 Carbon Touch Fingerprint reader 'cannot find fingerprint sensor device' e7210005

Hi all,
I've spent far too long trying to solve this by myself, and need to reach out to someone who might have resolved this issue. I've read tons of similar questions online, and rebooted dozens of times after trying many different things.
I have a Carbon Touch 3444-CUU that can't see it's fingerprint reader. It used to work when brand new, but after lots of lenovo and windows updates, it now does not:
I am on Windows 8.1, with all updates.
No problems in device manager.
Touchchip Fingerprint Coprocessor (WBF advanced mode) installed under Biometric devices fine.
Power management set to _not_ turn off device to save power.
The bios is 2.61.
I suspect the problem is very low-level, because even the BIOS cannot find device when trying to set it up.
If I have the lates BIOS, but it can't see the device - what can I do?
Thanks everyone..
Solved!
Go to Solution.

BleachedWhale......which settings you have changed in the BIOS......
It is possible to work-around the issue, but some manual steps are needed:
1. delete "smihlp.sys" from "c:\program files\thinkvantage fingerprint software"
2. run "services.msc" and stop the service "Windows Biometric Service"
3. delete the file "031D23AD-15AF-4e25-B7B3-DE34893097ED.DAT" from "c:\Windows\system32\WinBioDatabase"
4. reboot the computer (important!!)
5. now try to enroll some fingers
This should make it possible to enroll fingerprint and use it to log into Windows, until the bug can be fixed in some future version of BIOS and/or Fingerprint software.
Best regards from Germany....

My HP Probook 450 G0 fingerprint reader is not working WIndows 7

Hello,
I am trying to enable my HP Probook 450 G0 fingerprint reader.... I tried many driver version of validity sensor... and finally i have currently installed the driver and software that are mentioned in following link....
http://h30434.www3.hp.com/t5/Notebook-Operating-Systems-and-Software/DV4-1240br-FingerPrint-Driver-f...
Both are them working fine (**without any error) But DigitalPersona is showing me the following message on welcome screen.... "The FingerPrint reader is not connected.Connect the reader"....
OS : Windows 7 Professional
What do you say.....is there any compatibiltiy issue or any hardware issue....or if there any driver mismatch, can someone suggest me the supported driver version....
Thanks in Advance

I have the same problem as the original poster, and followed the download link you provided only to encounter the exact same issue. I am using Windows 7 and bought this machine two days ago. I don't understand why this singular process is this problematic. I really miss my ASUS K53E and it's face logon feature.
Perhaps HP should take lessons unless they have something better than this "fingerprint reader." The only consistent feature I am detecting is its inconsistancy. Oh well, I just won't bother using it, or put a sticker over the thing.
If I have to spend more than an hour troubleshooting a feature of medium to low importance then it was a mistake to purchase the machine (but it was a gift sadly), and it was a mistake to implement the feature and release it without making sure it works. Pretty weak HP, but not as bad as Toshiba or Gateway/Acer at least--not that it says much.
Anyone have a legit fix for this annoying issue? Or some third party facial recognition login program instead?

Fingerprint reader not working in IE and saying failed to connect to sensor

Hi all,
I bought a Qosmio x500 10t a couple of months back. For the first couple of weeks i had no probs using the fingerprint reader to log in to windows and to log in to websites in Internet exploer.
All of a sudden it would not work on any website stored. The green banner showed accross the top of site and asked to swipe finger but nothing happened when I swiped. I rebooted and it worked again but not for long before failing. This time a reboot didnt work so i deleted my finger prints and websites and started from scratch. That worked for a couple of attempts before probs started again. And on trying to get into Fingerprint utility it says failure to connect to sensor. So, I did a system restore. It worked for a couple of times again and then same probs. So I found the updated utility software, uninstalled the old and put on the new. Same again, worked for a couple of times then failed.
I could not find anything stuck in the registry but to be on the safe side i did a full system clean back to factory setup using backup discs. Hey presto i thought it had worked. Everything going ok for first 24hrs and then same problems start to occur. Only this time it is also prompting me to enroll fingerprints even though i already have. And when i try to get into the utilioty it says failed to read sensor again.
The fingerprint log on to windows always works as long as i dont close the fingerprint utility down before shutting down. If i do exit the utilty i cant reopen it as it just says failed to connect to sensor. And then i have to unistall and reinstall the utility software. Aty the moment it occasionally works on websites stored but most of the time it doesnt do anything.
Please help. Do I need to send laptop back to Toshiba??

Hi,
*I got a solution* for the problem that the fingerprint sensor "suddenly" does not work any more.
When starting the Toshiba Fingerprint Utility, it says "failed to connect to fingerprint sensor".
Is it possible that just before it stopped working there was a new firewall installed, or firewall settings had been changed?
*In my case, the problem was solved by changing my firewall settings* (Windows 7 Firewall Control) to ALLOW all traffic for
the Authentec Fingerprint Sensor Service (AFSS). It is the file "AtService.exe" in C:\Program files
The reason is simple:
The Toshiba Fingerprint utility communicates with the fingerprint sensor service via TCP/IP.
Therefore, any firewall that blocks traffic on the local computer will block the communication.
*After changing my firewall settings, fingerprint sensor works* on my R700 flawlessly now.

What can be done with the fingerprint reader?

I am trying to figure out simply what I can do with the fingerprint reader on the T400. I understand how to use it to log into the computer. My main question is whether or not I can use the fingerprint reader in the following contexts, and if so how.
1a) To log into internet password protected websites. When I use IE, the password manager pops up and prompts me to save a password. If I save it, I can return to that website and it automatically will enter the login information and password for me. I want to know whether you can have password manager (or another program) prompt the user for the fingerprint and then submit the login information. That way the information is protected each time I log in, but I do not need to enter log in information each time, only a fingerprint.
1b) If this is possible in IE8, I would like to know if it is possible in Firefox 3, in which password manager does not pop up.
2) Can it be used to log into MS Outlook.
3) Can it be used to lock documents in MS Word.
I much appreciate any information letting me know if these can be done, and if so, how to do them. Thank you very much for your help!
J
Message Edited by lenova on 09-07-2008 09:13 PM

After playing with it for a while I figured out at least questions 1a) and 1b). For anyone else who has the same questions:
1a) Have your browser save the password using Lenovo's Password Manager. Then open password manager and open that item. Click the advanced tab and change the security level to custom. Click "Customize Security Policy" and select "Protect with a Fingerprint."
1b) Lenovo has a patch to synch Password Manager with firefox 3. It can be found here and is much easier than the manual fixes found on this forum.
http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-70132
I am still looking for help with 3) and 4), particurally 3). Please let me know if you have any ideas. Thank you very much!!

My fingerprint reader is not recognized by DigitalPersona when I upgraded to Windows 7

My fingerprint reader worked with Vista but when I upgraded to Windows 7 it is not recognized by DigitalPersona.
I have a dv3-1075us with the AMD Turion X2 dual core mobile RM-72 2.10 Ghz processor. I have updated the BIOS to F.15, there is not a biometrics option in the BIOS for me to turn on, Authentec Driver 20.0.18 dated 11-24-2009 (Device Manger does nto show an error), and running Digital Persona Personal version 4.11.3826.
I have updated this from the troubleshooting section of the HP Support website.
At the windows login I get a "Reader not detected" message and in DigitalPersona "The fingerprint reader is not connected. Connect the reader."
What further steps can I do to get my fingerprint reader working?
Thank you for your help.

I've got an HDX9350 that I originally ran on Vista, and later upgraded to 32-bit Windows 7 Ultimate. I managed to make most functionality run on that installation, albeit buggy and slow, running assorted drivers in compatibility mode.
Earlier this week I installed the 64-bit version od Windows 7 Ultimate, because the upgraded installation did run into problems sometimes, requiring a long time to get an ip address etc. I was surprised to see a lot of drivers being automatically installed, includingdrivers for the AuthenTec 2501A fingerprint sensor.
I stumbled upon AuthenTecs own basic software, allowing You to log onto the computer and that worked. Or was it Window' own? Never mind.
Installing Digital persona resulted in no reader detected all of the time, despite following instructions on this forum.
Installing HP's SimplePass, things worked straight away! Maybe Digital Persona isn't compatible with Windows 7, or with my HDX9350?
A

Fingerprint reader on DV6t no longer works on windows logon

For some reason the fingerprint reader on my Pavilion Dv6t, LM720AV, does not work on windows logon anymore
I get the usual lock screen where I have to enter my password. The fingerprint option no longer appears
I have tried rebooting, powering off, reinstalling the validity sensor package sp55109 and it still does not work
Any help would be greatly appreciated
Thanks

Export the Webcard Database:
If you have working SimplePass software, Export your Webcards before proceeding. In the event that you must later remove the SimplePass software, your webcard backup can be used (imported) to restore your website login information.
Start SimplePass > Settings > Export NOTE: File will be named *.tsd
Then:
Try / Consider:
===================================================================
The Hard Reset:
This method works for a variety of Driver connection and ‘stuck’ program issues.
Shut down the computer
Disconnect all external devices - everything.
Remove (disconnect / unplug) the AC power
If the notebook contains a removable Battery, remove it
Press and hold power button for at least 30 seconds
Reinstall the AC power cord for first startup ** See Note
Power on - Log in
Next time you shut down the system, reinstall the battery.
** Note: If time is short, reinstall battery the first time and be done with it.
Reference:
Hard Reset to Resolve Hardware and Software Issues
===================================================================
If that does not resolve the issue, then try this:
Repair the SImplePass Software:
Control Panel > Programs and Features >
Look for this program:
Right-Click on HP SimplePass
Select "Repair"
Restart / Reboot your computer and log in...
====================================================================
Kind Regards,
Dragon-Fur

Z61M - Fingerprint reader disabled and now I cannot access windows

My fingerprint reader had been causing issues, so I went into the Thinkpad menu and under "manage security options" , clicked on the fingerprint icon and then preceeded to delete what I thought was the fingerprint option/software. I mistakenly thought I would be able to use the password to access windows, however, I'm now unable to get past the CSS User ID window. I can only access Thinkvantage by pressing the blue button when prompted but can't find anything in there to help me. The finger print reader now fails everytime and the Control/Alt/Del button only brings up the CSS User ID and when I hit "ok" it states - "User was not enrolled or his data cannot be opened". When I click options on the CSS ID window and then click "I am not enrolled and want to use my windows password", it states "unable to bypass logon because the user is enrolled" - which contradicts the first message????
I'm really confused and the Lenovo help desk offered no assistance except to "restore to factory settings" but that means I'll lose everything - surely there is an easier solution to getting access to my laptop without a complete reset.

I've managed to work this out myself by going into BIOS and disabling the Security chip which allowed me then to use the password to get access. From there I have now disabled the finger print reader correctly. Hopefully this helps someone else down the track!! Cheers.

Fingerprint Reader not working upon waking from sleep for windows login

Hello,
I have a brand new T540P with a Validity fingerprint reader.
Rougly 80% of the time, the Fingerprint reader is unresponsive at the windows login screen after waking the computer from sleep. It works 100% of the time when booting from an off position, however. Once logged in, it also works 100% of the time. The issue only arises when logging into windows.
Things I have tried
-uninstalling/installing device in device manager and finger print manager pro software
-setting fingerprints through both fingerprint manager pro software (lenovo) OR through the built in windows fingerprint control panel options
-disabling "allow windows to turn off this device to save power" in device manager.
I should note as well that I have another T540P that I ordered as a replacement. Both models experience the same issue.
Is this a platform wide issue affecting all T540P models? This is frusterating.
Solved!
Go to Solution.

sailoholic
Your report is the first we have ever heard of this issue on T/W. It does not happen on my T/W systems here (with or without 30 Day Standby enabled). The other reports I heard of this problem came from X240.
I just want to confirm with you - the problem happens after coming out of Sleep (and not Hibernate), right?
Can you tell me exactly what you are doing? e.g.
1. Use the computer normally (is AC attached or not?)
2. Close the lid - the computer goes to sleep (or do you go to sleep some other way?)
3. Open the lid 2 hours later (or how long)?
4. are you using a dock?
The more info you can provide, the better. Thanks for your help.
Also please let me know what BIOS version you have.

Fingerprint Reader Not Working

So I had Avast! on my computer. It was annoying and scanned every file for like 30 seconds with DeepScan. So I uninstalled it. When it uninstalled, it removed my fingerprint reader driver. My computer got really slow and a lot of my apps don't work. I wanna punch the Avast people. It is not a virus because I did not download anything after I uninstalled. I am not that dumb. I tried to reinstall according to people on the forum but it didn't work. Under device manager, I get: http://prntscr.com/3qpb8y
It says "unknown device."
Then, when I go to Control Panel, I get this: http://prntscr.com/3qpbrc
On the login screen, it gives me the option for fingerprint read login, but the light on the fingerprint reader doesn't light up and it won't log in. I even did a system restore to before the uninstall and it still doesn't work. -_- Then, I did HP Recovery Manager and reinstall Validity Sensor and SimplePass. That didn't help either. When I tried to reinstall SimplePass I got an error message. I saved the log. Here is what the log said behalf of the error:
Info 1721.There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support personnel or package vendor. Action: InstallDrivers64.7454D9E3_16A7_4545_824B_A965BF57EA5E, location: C:\Windows\DPDrv\, command: C:\Windows\DPDrv\dpinst64.exe /SA /S
CustomAction InstallDPPassFilter_x64.4D0EAAF1_2D33_4FFF_AA08_6F47502DAAA2 returned actual error code 5 (note this may not be 100% accurate if translation happened inside sandbox)
Error 1722.There is a problem with this Windows Installer package. A program run as part of the setup did not finish as expected. Contact your support personnel or package vendor. Action InstallDPPassFilter_x64.4D0EAAF1_2D33_4FFF_AA08_6F47502DAAA2, location: C:\Windows\system32\, command: regsvr32 /i /s dppassfilter.dll
MSI (s) (B8:94) [23:19:15:385]: Product: HP SimplePass Identity Protection -- Error 1722.There is a problem with this Windows Installer package. A program run as part of the setup did not finish as expected. Contact your support personnel or package vendor. Action InstallDPPassFilter_x64.4D0EAAF1_2D33_4FFF_AA08_6F47502DAAA2, location: C:\Windows\system32\, command: regsvr32 /i /s dppassfilter.dll
I have a Pavilion dv7 on Windows 7. It's 64-bit. Here is a screenshot of my system info: http://prntscr.com/3qpcv2
Please help me! My poor PC is screwed!!!
P.S. - NEVER GET AVAST!!!

Help us to help you by posting the following information.
1. The full Model No. and Product No. - see This HP web document if you don't how to locate the model number and\or product number.
2. The complete version and name of the operating system you are using ( ie Windows 7 64bit ).
3. Is your notebook still covered under warranty? Check your warranty status Here.
Check in the BIOS to see if the fingerprint sensor is enabled.
****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
2015 Microsoft MVP - Windows Experience Consumer

T430s fingerprint reader fails in both windows 7 (64 bit) and ubuntu.

Hi,
I have 4 months with my new t430s, and so far so good, I created a partition to instal ubuntu and I was able to have the finger print reader work in it.
The last week I left the laptop's battery to drain completely, but I did not notice it... I tried to wake it up but my fingerprint would not turn it on... I plug the charger on and the laptop started working again but now, my fingerprint log on was disabled, I had to type my pasword to log in...
From that moment on, this issue consistently occurs in both windows & and ubuntu...
The funny thing is that I can still turn on the laptop with my finger, the fingerprint reader indicator leds are working but the device only works to start the laptop. I have tried to delete the fingerprint data from teh BIOS, but I can still start the laptop, so I dont think this clear data command on the BIOS is doing anything...
I have tried re-installing the device, updating the driver, etc and nothing works, the device appears as unnavailable on the windows biometric devices section of my control panel, so I cannot enroll any new finger print using the lenovo fingerprint software since I get these 3 errors in any attempt:
E7210005 Cannot enroll user.
E7210005 Cannot update passport.
E7210005 Cannot find fingerprint sensor device.
Any ideas?
Is there a way to reset my device from the BIOS so al its data and its state is cleared?
Thanks!
Roberto O.

rortegah
I have heard of this exact situation one other time, where fingerprint sensor stops working properly after PC unexpectedly turns off due to low battery. I think your fingerprint sensor has malfunctioned and needs replacement under warranty. Currently, I do not know of any other solution.
But can you please tell me:
1. how many fingers do you have enrolled?
2. do you use any BIOS passwords (such as administrator password, power-on password, or HDD password)?

Fingerprint Reader Not Detected during startup on Windows 7

Dear Community Users/Tech Guru,
I am hoping somebody could shed light into a weired issue I am facing with this *stupid* Microsoft OS. I purchased a T400 last year and brought a x64 bit Windows 7 three months ago and have it setup for clean installation. I followed the procedure published in lenovo.
I had the security setup of my notebook to use pre-desktop authentication and single sign-on. I had everything setup and running.
However, after a few weeks I began to noticed that upon power up and giving a fingerprint swipe on the bios authentication, it would halt on the windows startup page (where we would normally login). It turns out that the fingerprint device is not detected! Something is not workin properly during the startup of bill gates Microsoft Windows 7! I would try a reboot on the system and it will load properly afterwards.
But I find it stupid that Windows doesn't detect my fingerprint device on startup! This happens when it's a cold boot using a battery (at least 70% of the time it turns out that way). I disabled the single sign-on but retained the desktop authentication (means I have to swipe twice). But this f*ck OS is still not detecting it during cold start.
Anyone... please advice?
Solved!
Go to Solution.

I attempted to reset the policy settings of CSS but then the pop up screen just got stuck:
- I did a reboot and reset the fingerprint data and password (after exporting the
settings),
- uninstalled the fingerprint reader and CSS
- uninstalled the CSS. I had encountered some issues while uninstalling it
Windows is reporting that the installation log file could not be found. I manually
downloaded the driver from the site and used the installer to remove it from my PC
- Reinstalled both CSS and Fingerprint driver
- Import all my security settings (password and fingerprint)
- Tested CSS and used fingerprint as default login method in battery mode
- Enabled Single SignIn method in CSS and BIOS
So far so good, the reinstallation fixed the issue. I did recall that there was a windows update before this mayhem on the fingerprint reader started.

T520 Fingerprint Reader

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