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24 Posts

05-15-2018

France

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X1 Yoga 3G / X1 Carbon 6G: Hard reset for BIOS

2018-05-18, 20:43 PM

Hi folks, a quick question due to problems I am having with my Yoga: the laptop doesn't boot, nothing appears on the screen, but I am convinced that a BIOS reset will fix it.

 

Is there a way to force the BIOS to default values [akin to removing the battery on old computers]

 

Thanks!

 

p.s: I've tried the "reset" button on the back but that didn't work.

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11867 Posts

01-02-2010

United States of America

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Re: X1 Yoga 3G / X1 Carbon 6G: Hard reset for BIOS

2018-05-18, 21:47 PM

If you disconnect the main battery and the coin-cell (cmos) battery (with the machine unplugged), it will reset the BIOS to defaults BUT don't do this if you have a BIOS password and I suggest not doing any sort of work on a machine that is still covered by a warranty.  Normally a gen3 yoga would have a warranty.  If you disconnect the batteries anyway, leave them disconnected for 15 seconds and press the power button a couple of times to drain capacitors.


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.
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11867 Posts

01-02-2010

United States of America

40172 Signins

422754 Page Views

  • Posts: 11867
  • Registered: ‎01-02-2010
  • Location: United States of America
  • Views: 422754
  • Message 2 of 3

Re: X1 Yoga 3G / X1 Carbon 6G: Hard reset for BIOS

2018-05-18, 21:47 PM

If you disconnect the main battery and the coin-cell (cmos) battery (with the machine unplugged), it will reset the BIOS to defaults BUT don't do this if you have a BIOS password and I suggest not doing any sort of work on a machine that is still covered by a warranty.  Normally a gen3 yoga would have a warranty.  If you disconnect the batteries anyway, leave them disconnected for 15 seconds and press the power button a couple of times to drain capacitors.


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.

0 person found this solution to be helpful.

This helped me too

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24 Posts

05-15-2018

France

26 Signins

329 Page Views

  • Posts: 24
  • Registered: ‎05-15-2018
  • Location: France
  • Views: 329
  • Message 3 of 3

Re: X1 Yoga 3G / X1 Carbon 6G: Hard reset for BIOS

2018-05-18, 21:54 PM

Hi rick,

 

thank you very much for the information, your help is really appreciated.

 

Indeed I am waiting for a technician to come to my lab, however it seems that based on my diagnostic they have ordered a motherboard FRU and those seem badly backordered [model 8650U].

 

As I really need the laptop working now, I'll try to convince the technician to come and do the reset procedure [and fix the pen which came stuck by the way].

 

Thanks again, E.

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