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43 Posts

11-01-2019

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Re: Hybrid mod with Y540

2020-01-07, 8:35 AM

Did all bios change process complete correctly ?

Did computer restart (as I remenber) twice to finish properly all downgrade task ?

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17 Posts

01-05-2020

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Re: Hybrid mod with Y540

2020-01-07, 8:37 AM

Yes i had no error

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43 Posts

11-01-2019

PL

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  • Message 33 of 45

Re: Hybrid mod with Y540

2020-01-07, 8:40 AM

But computer restarted twice ?

 

ps. Do you have following laptop?

 

Flash from Operating System version for Lenovo Legion Y540-15IRH/Y540-15IRH-PG0/Y540-17IRH/Y540-17IRH-PG0/Y545/Y545 PG0, LEGION Y7000 2019/Y7000 2019 PG0/Y7000P 2019/Y7000P 2019 PG0
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17 Posts

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FR

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  • Message 34 of 45

Re: Hybrid mod with Y540

2020-01-07, 8:41 AM

I have Y540-17IRH

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43 Posts

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PL

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Re: Hybrid mod with Y540

2020-01-07, 9:23 AM

I have Y540-15IRH and it works fine.

Maybe this 26WW is too low/"old" version for your laptop ?

Let try this "newer" one:

 

https://download.lenovo.com/consumer/mobiles/bhcn31ww.exe

 

and solution described in this topic:

 

https://forums.lenovo.com/t5/Gaming-Laptops/Y700-Bios-Recovery-Blind-Flash-Possible/m-p/4178802#M190...

 

I know it's a different Lenovo model but this trick with USB stick and force BIOS update will help you or at least show you an idea how to fix it.

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16 Posts

01-05-2020

PT

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  • Message 36 of 45

Re: Hybrid mod with Y540

2020-01-07, 10:35 AM
Ok i will try that but there is just 1 problem . How do i remove the battery and cmos battery in this system?
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43 Posts

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PL

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Re: Hybrid mod with Y540

2020-01-07, 10:46 AM

Never did so can't help.

 

Your unit seems to be failure (no Intel hd GPU accessible  us many users describe on forum) so maybe it will be easier to claim warranty ?

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Re: Hybrid mod with Y540

2020-01-07, 13:12 PM

Could you do me a last favor? I cannot open the exe file in another laptop tp get the bios file, could you do that for me and send me the file for the lasr version of the bios, that one was stable before

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43 Posts

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  • Message 39 of 45

Re: Hybrid mod with Y540

2020-01-07, 14:35 PM

You mean 35ww ?

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  • Message 40 of 45

Re: Hybrid mod with Y540

2020-01-07, 14:36 PM
Yes pls.
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