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[REQUEST] Lenovo B50-80 (A8CNxxWW) BIOS Unlock
#31
Hello,

My b50-80 bios is corrupted after flashing to the latest 3.0 version a8cn54ww
* does fn + f and power or fn + r and power work or is there a different combination?
* What should be the name of the file by USB recovery flash. I cannot find it with andy's tools for insyde, or with hxd
* does anyone have a clean copy of the bios? I found some dumped bios on the web (attached) for 3.07 but I am unsure of the cleanliness..

Please kindly help..


Attached Files
.zip   B50-80_OK.zip (Size: 3.73 MB / Downloads: 17)
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#32
anyone please?
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#33
or if not possible with USB what can I flash the bios, is CH341A + SOIC an option?, I have many years of experience in hw repair, but first time with this issue..
Sorry if I am not in the right thread..
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#34
(11-02-2018, 10:25 AM)gjergji Wrote: or if not possible with USB what can I flash the bios, is CH341A + SOIC an option?, I have many years of experience in hw repair, but first time with this issue..
Sorry if I am not in the right thread..
Hi
First need your bad bios dump
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#35
Hello! Could anyone help me to get unlocked version of bios. I just need Wake on Lan unlocked, but don't have that option in my BIOS.
Laptop Lenovo b50-80, InsydeH2o Rev. 5.0
A8CN54WW(V3.07)
Link to the current BIOS file.
https://pcsupport.lenovo.com/nl/en/produ...s/DS102219
I got CH341A + SOIC, but not sure if I need it.
Thank you in advance!
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#36
(07-19-2019, 07:24 PM)mynikis Wrote: Hello! Could anyone help me to get unlocked version of bios. I just need Wake on Lan unlocked, but don't have that option in my BIOS.
Laptop Lenovo b50-80, InsydeH2o Rev. 5.0
A8CN54WW(V3.07)
Link to the current BIOS file.
https://pcsupport.lenovo.com/nl/en/produ...s/DS102219
I got CH341A + SOIC, but not sure if I need it.
Thank you in advance!
Hi
Your bios is rewrite protected...you need SPI-programmer+SOIC8 clip only...check your PM
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#37
(07-19-2019, 11:17 PM)Dudu2002 Wrote:
(07-19-2019, 07:24 PM)mynikis Wrote: Hello! Could anyone help me to get unlocked version of bios. I just need Wake on Lan unlocked, but don't have that option in my BIOS.
Laptop Lenovo b50-80, InsydeH2o Rev. 5.0
A8CN54WW(V3.07)
Link to the current BIOS file.
https://pcsupport.lenovo.com/nl/en/produ...s/DS102219
I got CH341A + SOIC, but not sure if I need it.
Thank you in advance!
Hi
Your bios is rewrite protected...you need SPI-programmer+SOIC8 clip only...check your PM

Thank you so much for the reply and instructions. I've sent you my dump.
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#38
Unfortunately, apparently, Dudu2002 is very busy at his main work. Can anyone else help me with unlocking BIOS? Thank you!
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#39
Laptop: Lenovo B50-80
BIOS: A8CN54WW(V3.07)
UEFI: InsydeH20
Method: Dumped with CH341A + SOIC8 Test Clip

I'd like to:
1. Remove the whitelist
2. Enable the hidden advanced menu (if possible)
3. Patch Intel ME to disabled (if possible)

https://www.dropbox.com/s/f7msg6bbies5vv...k.bin?dl=0

Highly Appreciated
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