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[REQUEST] Lenovo ThinkPad T450(s) (JBETxxWW) BIOS Unlock
Hello, can anybody help me to unlock BIOS on Thinkpad T450s, a changed LCD and now the brightness is always 100%. I read memory winbond 25Q128 by programmer. Thanks.


Attached Files
.rar   T450s_BIOS_Winbond_25Q128_ORIG_(vvdi).rar (Size: 6.04 MB / Downloads: 2)
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(12-27-2022, 02:30 PM)Motohacker Wrote: Hello, can anybody help me to unlock BIOS on Thinkpad T450s, a changed LCD and now the brightness is always 100%. I read memory winbond 25Q128 by programmer. Thanks.
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T450s want to add LCD panel so brightness controls work:

LP140WF3(SP)(D1)

Thank you!
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(02-06-2023, 04:24 PM)W_quad Wrote: T450s want to add LCD panel so brightness controls work:

LP140WF3(SP)(D1)
Thank you!
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Hello,  I have a T450s and just upgraded the screen. Now brigthness control is not working on Windows, it works fine on Linux. I'm new to this bios modding stuff and I already ordered CH341A

My new screen AUO B140HAN02.4

Thank you!
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quote
(02-08-2023, 03:40 AM)arrappp12 Wrote: Hello,  I have a T450s and just upgraded the screen. Now brigthness control is not working on Windows, it works fine on Linux. I'm new to this bios modding stuff and I already ordered CH341A

My new screen AUO B140HAN02.4

Thank you!
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a friend of mine owns a T450 with a JBET73WW UEFI/BIOS. he would like to install a linux on it and somehow the installation stuck at the beginning. he would like to use UEFI only but the installation stops with a blank screen. as far as i understand it's a UEFI issue with a few Lenovo models and several owners facing with this (https://github.com/ventoy/Ventoy/issues/214). is it possible to fix it with modding?
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