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intagger
Blue Screen Again
Posts: 4
Registered: ‎06-12-2018
Location: RU
Views: 1,447
Message 1 of 13

Lenovo YOGA 920 bios password problem

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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Community Moderator
Community Moderator
Posts: 1,445
Registered: ‎12-13-2016
Location: US
Views: 1,405
Message 2 of 13

Re: Lenovo YOGA 920 bios password problem

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.


____________________________________
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.
intagger
Blue Screen Again
Posts: 4
Registered: ‎06-12-2018
Location: RU
Views: 1,394
Message 3 of 13

Re: Lenovo YOGA 920 bios password problem

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

Community Moderator
Community Moderator
Posts: 1,445
Registered: ‎12-13-2016
Location: US
Views: 1,382
Message 4 of 13

Re: Lenovo YOGA 920 bios password problem

Try an external keyboard?


____________________________________
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.
intagger
Blue Screen Again
Posts: 4
Registered: ‎06-12-2018
Location: RU
Views: 1,377
Message 5 of 13

Re: Lenovo YOGA 920 bios password problem

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

Community Moderator
Community Moderator
Posts: 1,445
Registered: ‎12-13-2016
Location: US
Views: 1,372
Message 6 of 13

Re: Lenovo YOGA 920 bios password problem

 

____________________________________
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.
Community SeniorMod
Community SeniorMod
Posts: 9,379
Registered: ‎01-01-2010
Location: US
Views: 1,357
Message 7 of 13

Re: Lenovo YOGA 920 bios password problem

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


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.
intagger
Blue Screen Again
Posts: 4
Registered: ‎06-12-2018
Location: RU
Views: 1,320
Message 8 of 13

Re: Lenovo YOGA 920 bios password problem

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?)

Joris1976
Paper Tape
Posts: 3
Registered: ‎10-31-2018
Location: NL
Views: 1,005
Message 9 of 13

Re: Lenovo YOGA 920 bios password problem

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

 

Thanks in advance,

Joris

Joris1976
Paper Tape
Posts: 3
Registered: ‎10-31-2018
Location: NL
Views: 982
Message 10 of 13

Re: Lenovo YOGA 920 bios password problem

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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