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PostPosted: Mon Jan 12, 2009 9:29 am 
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Sophomore Member

Joined: Mon Sep 25, 2006 4:48 am
Posts: 125
Location: _______________ Prague (CZ) | Vienna (AT)
I've been using the fingerprint reader with practically no problems since october.
Recently, it has just suddenly stopped working. I thought restarting will do the trick, but unfortunately, no luck. No recent driver updates.
Any idea what could have caused it and what can be done with it?
(running on T400 as in my signature)

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ThinkPad T400 (2764-CTO) [C2D T9400 2.53GHz, 6GB RAM, 14.1" LED WSXGA; Win7-64b]
ThinkPad T43 (1871-F1G) [P-M 750 1.8GHz, 1GB RAM, 14.1" XGA LCD, Intel 900; WinXPpro]
Samsung NoteII | Dell Streak | Palm TX, Treo 600, m505, m500 | Psion 5 Series


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PostPosted: Tue Jan 13, 2009 6:28 pm 
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Joined: Mon Mar 12, 2007 2:36 pm
Posts: 383
Location: Oldtown, ID
What OS?

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http://www.truk.tk - 'Cause you've got nothing better to do.
RIP t30 2367-au5 October '07
t400 2764-CTO
7/OSX/Ubuntu
2.8GHz core 2 duo
4g DDR3
320g@5400rpm+160g@7200RPM
Led backlit and all the goodies


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PostPosted: Tue Jan 13, 2009 6:42 pm 
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Joined: Mon Sep 25, 2006 4:48 am
Posts: 125
Location: _______________ Prague (CZ) | Vienna (AT)
Vista Ultimate (32b)
as preinstalled by Lenovo (yeah, I wanted a fresh install but can't get my hands on a vista DVD)

_________________
ThinkPad T400 (2764-CTO) [C2D T9400 2.53GHz, 6GB RAM, 14.1" LED WSXGA; Win7-64b]
ThinkPad T43 (1871-F1G) [P-M 750 1.8GHz, 1GB RAM, 14.1" XGA LCD, Intel 900; WinXPpro]
Samsung NoteII | Dell Streak | Palm TX, Treo 600, m505, m500 | Psion 5 Series


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PostPosted: Thu Jan 15, 2009 3:12 pm 
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Joined: Thu Jan 15, 2009 2:52 pm
Posts: 1
Location: Seattle, WA
I'm having trouble with the fingerprint reader on my T400 as well. It works perfectly most of the time, but if I lock my computer and leave for more than about 10 minutes or so, the dialogue box asking for your fingerprint goes away and I'm left with nothing but my wallpaper and the mouse cursor. Pressing escape will not bring up the normal Windows authentication, and trying to swipe my finger anyway has no effect either. I basically have to reboot my computer to get out of this. I would love to reinstall the software and see if that helps, but that requires an administrator account. This is a company machine, and we just don't do that here. I'd like to try to resolve this without going to see our desktop support guy, as he is difficult to deal with. Anyone else experience this and know a way around it?


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PostPosted: Thu Jan 15, 2009 9:55 pm 
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Junior Member

Joined: Mon Mar 12, 2007 2:36 pm
Posts: 383
Location: Oldtown, ID
There has been a known problem with the readers, you should both update your bios' to the latest version if it's not.

_________________
http://www.truk.tk - 'Cause you've got nothing better to do.
RIP t30 2367-au5 October '07
t400 2764-CTO
7/OSX/Ubuntu
2.8GHz core 2 duo
4g DDR3
320g@5400rpm+160g@7200RPM
Led backlit and all the goodies


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PostPosted: Fri Jan 16, 2009 8:21 am 
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Sophomore Member

Joined: Mon Sep 25, 2006 4:48 am
Posts: 125
Location: _______________ Prague (CZ) | Vienna (AT)
Does anyone have a schema for the T400? Where is the CPU located? In my old T43, I can remember that the left side of the keyboard used to heat, on the T400 it's the right palmrest (just slightly left off the fingerprint reader).
I'm asking because my reader started working again - while watching a film, I've heard the new-device-inserted and device-removed windows sounds and there it was again. Seems like some hardware problem that may be related to the heat produced.

_________________
ThinkPad T400 (2764-CTO) [C2D T9400 2.53GHz, 6GB RAM, 14.1" LED WSXGA; Win7-64b]
ThinkPad T43 (1871-F1G) [P-M 750 1.8GHz, 1GB RAM, 14.1" XGA LCD, Intel 900; WinXPpro]
Samsung NoteII | Dell Streak | Palm TX, Treo 600, m505, m500 | Psion 5 Series


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PostPosted: Fri Jan 16, 2009 1:15 pm 
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Junior Member
Junior Member

Joined: Mon Mar 12, 2007 2:36 pm
Posts: 383
Location: Oldtown, ID
CPU is well away from the reader. The hard drive sits under the reader and heats up a bit. I don't believe the problem is heat myself, but I haven't had it.

_________________
http://www.truk.tk - 'Cause you've got nothing better to do.
RIP t30 2367-au5 October '07
t400 2764-CTO
7/OSX/Ubuntu
2.8GHz core 2 duo
4g DDR3
320g@5400rpm+160g@7200RPM
Led backlit and all the goodies


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PostPosted: Fri Jan 16, 2009 1:40 pm 
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Sophomore Member

Joined: Mon Sep 25, 2006 4:48 am
Posts: 125
Location: _______________ Prague (CZ) | Vienna (AT)
ah, silly me :D sure it's the hdd there... Well, get's pretty warm. Anyway, no idea why this problem happened :(

_________________
ThinkPad T400 (2764-CTO) [C2D T9400 2.53GHz, 6GB RAM, 14.1" LED WSXGA; Win7-64b]
ThinkPad T43 (1871-F1G) [P-M 750 1.8GHz, 1GB RAM, 14.1" XGA LCD, Intel 900; WinXPpro]
Samsung NoteII | Dell Streak | Palm TX, Treo 600, m505, m500 | Psion 5 Series


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PostPosted: Mon Jan 19, 2009 8:01 am 
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Joined: Wed Jun 11, 2008 8:01 am
Posts: 33
Location: Manchester, UK
Mine only works for logon after a restart, and after that I get a 'fingerprint reader unavailable' error and need to use the password. If I didn't have a million other problems with my T400 this one would bother me more.

I'm running Vista 32 as factory installed.


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PostPosted: Tue Jan 20, 2009 6:42 am 
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Joined: Wed Aug 30, 2006 3:57 am
Posts: 10
Location: Norsjö, Sweden
truk wrote:
There has been a known problem with the readers, you should both update your bios' to the latest version if it's not.



Works for me. :D
Thanks


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