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Lenovo YOGA 920 bios password problem

2018-06-12, 7:58 AM

I have a password in a bios in my Lenovo YOGA 920-13IKB Glass. After last BIOS update (from 5NCN29WW to 5NCN38WW) I can't enter the bios because I can't enter UPPERCASE chars neither with shift nor with capslock, it is literally do not enter anything when shift key is pressed. Now I have completely locked up bios, because my previous password doesn't work anymore.

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2221 Posts

12-13-2016

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Re: Lenovo YOGA 920 bios password problem

2018-06-12, 14:46 PM

Did you try clearing the CMOS? Shut off the computer using the power button, but continue to hold it in for a full minute after the computer shuts off. Then use the NOVO button to boot into the BIOS page and see if you can enter the PW from there.


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Re: Lenovo YOGA 920 bios password problem

2018-06-12, 16:25 PM

I have tried it and saw a special menu (Normal boot, BIOS, Boot menu, Recovery) and BIOS have the same problem with password entrance.

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Re: Lenovo YOGA 920 bios password problem

2018-06-12, 18:24 PM

Try an external keyboard?


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I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

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  • Message 5 of 14

Re: Lenovo YOGA 920 bios password problem

2018-06-12, 18:37 PM

yes, i have tried an external keyboard (the same behaviour), also I have tried to enter my password in all lowercase. All in vain =(

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Re: Lenovo YOGA 920 bios password problem

2018-06-12, 18:49 PM

____________________________________
I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

I am not an employee or agent of Lenovo. I love beer.

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  • Message 7 of 14

Re: Lenovo YOGA 920 bios password problem

2018-06-12, 19:20 PM

Pulling the CMOS battery doesn't help.  The password characters are based on key position so capital letters are the same as lower case.  Lenovo repair cannot clear passwords.  There is no "backdoor".  You need to remember the password or replace the motherboard.


Rich


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I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

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  • Message 8 of 14

Re: Lenovo YOGA 920 bios password problem

2018-06-13, 9:39 AM

I remember my password, and it worked before the last bios update I mentioned. So please tell system engineers team to fix the issue, because this is not a forgotten password problem, obviously it is a system bug.

 

Also IMHO it is a very bad UX when nothing is typing when shift key is pressed.

 

(offtopic: why not make a bios source code available under some licence so I could fix the problem myself and send a pull request?)

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3 Posts

10-31-2018

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  • Message 9 of 14

Re: Lenovo YOGA 920 bios password problem

2018-10-31, 23:15 PM

I have the same issue.. anyone a solutions?!

 

Thanks in advance,

Joris

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3 Posts

10-31-2018

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  • Message 10 of 14

Re: Lenovo YOGA 920 bios password problem

2018-11-01, 1:47 AM

Fixed!!! 

 

When you’re entering the BIOS and your password is case sensitive (upper letter)

 

use the "Delete" button instead of the "Shift"  ;-)

 

Greets,

Joris

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