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hogjek
Fanfold Paper
Posts: 10
Registered: ‎03-22-2019
Location: SG
Views: 1,165
Message 1 of 8

Fingerprint sensor seems not working after the pc wakes from sleep

I seem to observe that the fingerprint reader sometimes fails after the c930 wakes from sleep or lock mode. Although it works occasionally. Since it uses the red light to illuminate the finger, I wonder also if the ambient light can affect. Sometimes it works very well, but after moving to another location, typical darker, it fails. any similar observation?

Isurus
Fanfold Paper
Posts: 6
Registered: ‎02-21-2019
Location: SG
Views: 1,125
Message 2 of 8

Re: Fingerprint sensor seems not working after the pc wakes from sleep

My own observation is that it fails to work on 9 out of 10 occasions under any condition.

Ishman
Punch Card
Posts: 17
Registered: ‎01-06-2017
Location: US
Views: 1,092
Message 3 of 8

Re: Fingerprint sensor seems not working after the pc wakes from sleep

I have to agree, I have 4 PCs with finger print readers from different vendors and this is the only one that seems to never work corrctly if at all.

BlueBunnyB
Paper Tape
Posts: 3
Registered: ‎04-09-2019
Location: US
Views: 1,055
Message 4 of 8

Re: Fingerprint sensor seems not working after the pc wakes from sleep

I experience this a lot. About 9 out of 10 times it doesn't not read my finger print.
WrightWells
Punch Card
Posts: 40
Registered: ‎10-12-2018
Location: GB
Views: 1,036
Message 5 of 8

Re: Fingerprint sensor seems not working after the pc wakes from sleep

I agree that it rarely works but my useage thinking about it is from sleep, when I,ve closed the lid to walk between meetings. 

if I just lock the screen , it does work 2nd or third time, if I stand on one leg facing west, or lick my finger first like someone suggested.

 

in summary a very poor implementation, if my phone behaved this badly it would have been returned, or implanted in the wall.

BlueBunnyB
Paper Tape
Posts: 3
Registered: ‎04-09-2019
Location: US
Views: 1,015
Message 6 of 8

Re: Fingerprint sensor seems not working after the pc wakes from sleep

Lol!
yeti2pro
Fanfold Paper
Posts: 8
Registered: ‎04-12-2019
Location: CN
Views: 966
Message 7 of 8

Re: Fingerprint sensor seems not working after the pc wakes from sleep

My yogabook C930 fingerprint is in good condition, it is very  smooth for me to  sign in. You can download the latest fingerprint driver v5.31 and FW v1.29 , the download link as following:

 

https://pcsupport.lenovo.com/us/en/products/tablets/yoga-series/yoga-book-c930/downloads

 

I also attached fingerprint FW update SOP,for your ref

 

hogjek
Fanfold Paper
Posts: 10
Registered: ‎03-22-2019
Location: SG
Views: 819
Message 8 of 8

Re: Fingerprint sensor seems not working after the pc wakes from sleep

I did this, and now the fingerprint sensor works great! Thanks.

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