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nig451964
Paper Tape
Posts: 1
Registered: ‎08-12-2018
Location: GB
Views: 1,010
Message 1 of 2

Z51-70 BIOS downgrade / access advanced options..

I recently updated my BIOS from factory spec up to version 2.00.

 

I am not unable to get into the advanced BIOS settings I used to access.

 

My notebook is out  of warrenty, is there a way I  could either access those settings or downgrade my BIOS please.

 

 

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CyberSimian
Bit Torrent
Posts: 786
Registered: ‎07-10-2016
Location: GB
Views: 956
Message 2 of 2

Re: Z51-70 BIOS downgrade / access advanced options..


@nig451964 wrote:

is there a way I  could downgrade my BIOS please.


The current BIOS for your laptop is available here:

 

https://download.lenovo.com/consumer/mobiles/c2cn21ww.exe

 

To download an older version of the BIOS, change the digits "21" in the name of the EXE file to the two digits of the version that you want.  I don't know whether an older version will make available the advanced settings that you mention.

 

-- from CyberSimian in the UK

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