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[REQUEST] Lenovo B5400 (J7ETxxWW) BIOS Unlock
#1
- Laptop Lenovo B5400 80B6QB0
- bios type: Phoenix SecureCore Tiano for Thinkpad /ACPI 2.0 - LENOVO J7ET55WW (2.00 ) date: 10/17/2013 - size 4096K
- link to BIOS - http://www.mediafire.com/download/t0fsqa...00)(2).rom
- i would like to request the unlocked menus for this bios
'Thanks in advance!
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#2
http://rghost.ru/52232775

test, foto

User is not welcome on these forums after repeated abuse to site infrastructure and user base.  If you receive any unsolicited messages from a user account claiming to be "Oleh" or acting on behalf of Oleh, please disregard.
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#3
(02-05-2014, 06:45 PM)Oleh Wrote: http://rghost.ru/52232775

test, foto

Thyank u so much! Gonna test now.
Should i use the lenovo bios update utility and just swap the bios file for this one?
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#4
first try to flash the BIOS from a standard utility lenovo. If it does not, try to use http://rghost.ru/51707528

P.S. sorry for bad English, I'm Ukrainian

User is not welcome on these forums after repeated abuse to site infrastructure and user base.  If you receive any unsolicited messages from a user account claiming to be "Oleh" or acting on behalf of Oleh, please disregard.
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#5
No problem. Sorry about the delay.
I haven't flashed it yet, thou, Do I have any solutions if it goes wrong? I can't find any info for this laptop on the web..

Btw, I'm on W8
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#6
hi
I want to make this request of unlocking the bios of my lenovo b5400 and see all the advanced options if it is posible.
have special interest in the hot-plug options of the mpci-e ports.
make a bios backup with universal bios backup tool and provide the link to the lenovo download page of my bios.https://pcsupport.lenovo.com/us/es/produ.../downloads
Thanks
Sorry,now i see the UEFI Subforum,i will post the request there,guess that is the way should be.


Attached Files
.rar   LENOVO-J7ET63WW(2.08).rar (Size: 2.26 MB / Downloads: 8)
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#7
(09-23-2018, 02:09 PM)dardo Wrote: hi
I want to make this request of unlocking the bios of my lenovo b5400 and see all the advanced options if it is posible.
have special interest in the hot-plug options of the mpci-e ports.
make a bios backup with universal bios backup tool and provide the link to the lenovo download page of my bios.https://pcsupport.lenovo.com/us/es/produ.../downloads
Thanks
Sorry,now i see the UEFI Subforum,i will post the request there,guess that is the way should be.
Hi
Your bios is rewrite protected
Bios mod can be flashed using SPI-programmer+SOIC8 clip only
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#8
Hi 
So i need a programmer in this case.
I will buy one and try it.
Hope you can help me with this bios. 
Thanks for clarified that and for look upon my request.
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