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2 Posts

04-17-2021

United States of America

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Lenovo Legion y740 BIOS update failed

2021-05-14, 20:51 PM

I recently updated my BIOS after being prompted by Lenovo Vantage software, said something about a critical security update. After the update, my CPU temp jumped 20C. I went to the Lenovo support page for my exact model and the BIOS available was an older version. I tried to flash back to that version, now I can't even get my bios to load. Any ideas are much appreciated.

 

Thanks.

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4457 Posts

04-23-2019

United States of America

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Re:Lenovo Legion y740 BIOS update failed

2021-05-16, 12:33 PM

Hello @runner0110,

 

Welcome to the Community Forums.

 

Kindly try performing a power drain by holding down the power button for 30 seconds while unplugged.

You can also try resetting the BIOS by removing the CMOS battery for a few minutes.

Hope this helps.
Regards,
Jack_Lenovo1



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