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02-12-2019

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720S-13ARR Laptop (ideapad) - BIOS cannot be updated?!

2019-02-12, 20:37 PM

Hello,

I recently bought my 720S with Ryzen 7 2700U and been having alot of BSOD's related to watching video, gifs and other similar media.  I can't find my VEGA 10 on the AMD Driver support page, but I have the latest video driver from the Lenovo Support site. 

I noticed my BIOS version is 6KCN28WW, and the newest is 6KCN41WW. When i try to run the bios flashing software it says: "Your on board BIOS is for OS version 15063 only, can't update to current new BIOS" 

My windows version is RS4 Build 17134 - Which is supported by the new bios. 

 

Why is BIOS connected to OS? And why can't I flash to new BIOS? And what about the endless BSOD's? 

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6 Posts

08-01-2020

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Re:720S-13ARR Laptop (ideapad) - BIOS cannot be updated?!

2020-08-01, 15:22 PM

Hi, 

 

Read this thread https://forums.lenovo.com/t5/Lenovo-IdeaPad-1xx-3xx-5xx-7xx/IdeaPad-720s-13ARR-if-the-bios-won-t-be-updated-anymore/td-p/4094640?page=10

The solution part is on page 10 although I recommend reading the complete thread.

 

I've successfully updated my laptop from v28 to v44. 

With version 28 I had an annoying message in Linux logs every 2s and the new version fixed that. Maybe v30 would have fixed that but I wanted to be on the most current branch.

 

Anyway, the procedure is not for the faint of heart but it works (at least it worked for me) and the files come from Lenovo. 

I think it's like this because of structure change and also because it has to move the WIN10 OEM Keys from the old bios structure to the new one. 

I would say this is the main reason why Lenovo didn't make it available as usual and decided to go the 2 version path.

 

Nevertheless, it can break you computer so use it at your own risk.

 

~/gnfpt

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