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30 Posts

10-21-2008

France

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  • Message 21 of 46

Re: Blank Screen after fingerprint swipe

2008-11-21, 19:54 PM

No, I removed and replaced the hard disc to try to cure the problem, because this is suggested in the manual.

 

thanks for your help.

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30 Posts

10-21-2008

France

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  • Message 22 of 46

Re: Blank Screen after fingerprint swipe

2009-01-01, 9:46 AM

I still have this problem and I can tell you I am pretty sick of it.

 

Basically, the startup process sticks at the "checking embedded security chip" message, sometimes for hours. I never know when I go to the computer whether I will get to use it or not.

 

I have taken it to what passes for a computer expert in these rural parts, with no result. He was as baffled as me.

 

I actually feel like smashing it to pieces and making sure the world knows what a heap of crap it is but I am prepared to give it one last try.

 

I shall be passing through Singapore in mid-January. I shall be there from early one morning until the following evening. Does anyone know of an outfit there, possibly in the Yunan computer precinct, where I could get this looked at by somebody who is experienced with Lenovos?

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10 Posts

10-23-2008

USA

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  • Message 23 of 46

Re: Blank Screen after fingerprint swipe

2009-01-02, 16:37 PM

Maybe you can try shutting off the embedded security chip through bios settings and see if that will allow you to actually use your machine?

 

Not a fix, but it will at least give you a direction to go if it allows you to access to your machine.

 

 

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30 Posts

10-21-2008

France

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  • Message 24 of 46

Re: Blank Screen after fingerprint swipe

2009-01-02, 16:43 PM
This is very kind of you, but I have no idea how to do that.
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10 Posts

10-23-2008

USA

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  • Message 25 of 46

Re: Blank Screen after fingerprint swipe

2009-01-02, 16:51 PM

While your machine is booting up, just after you push the power button, there usually is a splash screen that will show up and tell you to "Press F2 or F12 to change settings" something similar to that and it may be a different key depending on your machine.

 

http://www.michaelstevenstech.com/lenovoBIOS.html  Chase this link for some possibilities.

 

F1 during boot, you get the bios-page, choose security-chip and disable it.

 

Hope this helps you out.

 

 

 

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30 Posts

10-21-2008

France

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  • Message 26 of 46

Re: Blank Screen after fingerprint swipe

2009-01-03, 15:36 PM

Well, I disabled the security chip as suggested, and it worked. I was getting a message telling me that this created a security problem, but if I ignored it a couple of times it went away and, after swiping my finger, Windows loaded.

 

To check this was not a fluke (because occasionally Windows does load normally for me, only to let me down again next time) I restared the computer several times, and it loaded several times.

 

Then after switching on, the first message I got (white on black, I think) is that "Windows did not start successfully. A recent hardware or software change may have caused this". Lots more to that message, and it gives me the option to start normally or go into safe mode. If I do not respond, it automatically tries to start normally. Windows starts to load. Then I get another message:

 

This one is on a blue background and says "A driver has overwritten a stack-based buffer" ... and lots more. Then it switches off, starts again, tries to reload, gives me the white on black message, then the blue one, and so on ad infinitum.

 

One step forward and 97 back.

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50 Posts

10-04-2008

Los Angeles

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  • Message 27 of 46

Re: Blank Screen after fingerprint swipe

2009-01-03, 18:12 PM

Have you tried resetting your fingerprint system?  There are two parts work together, BIOS settings and software.  This process will clear your fingerprint data so you will need to re-enroll your digit's when completing the steps below but may solve your corruption.

 

In Control Panel/ Add Remove Programs, remove the application Lenovo Fingerprint Software. 

 

Reboot and press "F1" to enter the BIOS.

 

Go into Security Settings/Security chip  and make sure your security chip is selected as  "Active".  

 

Then in Security Settings/Fingerprint select "Erase Internal Fingerprint Data".

 

Save BIOS settings and reboot.

 

Run ThinkVantage Program Update from your Program menu.  Thnis should find that you are missing the Fingerprint application and ill prompt you to install it.  Let the application install.  It ill reboot after.

 

Re-enroll your fingerprints (digits).

 

If you had corruption in this area the steps above should clear it out.  


Message Edited by aselgat on 01-03-2009 10:19 AM
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10 Posts

10-23-2008

USA

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  • Message 28 of 46

Re: Blank Screen after fingerprint swipe

2009-01-03, 20:03 PM

Try restarting you computer ( cold boot - shut it down and then turn it back on) and using safe mode,

this will bypass most drivers and should get you back to the desktop so you can troubleshoot it further.

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30 Posts

10-21-2008

France

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  • Message 29 of 46

Re: Blank Screen after fingerprint swipe

2009-01-03, 20:08 PM
I can get back to the desktop that way, but I don't know what to do then.
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10 Posts

10-23-2008

USA

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  • Message 30 of 46

Re: Blank Screen after fingerprint swipe

2009-01-03, 21:06 PM

After getting back to your desktop I would try the method below from aselgat. Good place to start would be to remove the software through control panel, then restarting you laptop to see if it will load properly.

 

Do it as you did before, restart, shut down restart again using Normal option. If it gives you the error again try restarting with safemode, and then let us know.

 

If after several reboots and selecting Normal it works properly, then finish up by doing the rest of  aselgat;s method.

 

Either way, keep us in the loop.

 

Best of luck. 

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