Hello everyone, maybe some of you will recognize this issue or thread posted on another platform but i still want to keep trying to solve or get some valid possbile issue.

Well i have an ThinkPad T450s with motherboard NM A301 REV1.0 (i5 CPU).

So this laptop power on, but it does't show any signs of image displayed on his internal display and external VGA neither, only a full black screen appears without backlight.
When i press power on, keyboard backlight bright on and then goes of, i try to use a external USB keyboard and no CAPS and no NUM LOCK.
...

i guys
i need bios for ibm lenovo t450s core i5
thanks

Lenovo ThinkPad T450s UltraBook Laptop Schematic...

Info for error 2202 LenovoThinkPad models and type

Extract from ThinkPad Maintenance Utilities Configuration File
plnsrv.ini Version 1.01


Some information that may be useful




There must also be missing models, add them to the list if you know of any.

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hi, Lenovo Thinkpad T450s, after turning on the computer with the button, the system goes up for one second and goes out, the current drawn is about 0.3A. The bios from this topic helped: https://www.badcaps.net/forum/troubl...450s-need-bios
I have a question: using HeX editor what should I copy from the original BIOS to transfer the serial number and Windows key to the working BIOS ?...

This specification for the Lenovo ThinkPad T450s Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the T450s boardview and T450s schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download for Lenovo ThinkPad...

Re: Lenovo Thinkpad T450S need bios


Read the rules before posting:
RULES UPDATE for BIOS requests/offers *AVOID BANNING, READ BEFORE POSTING*
https://www.badcaps.net/forum/showthread.php?t=103570

Password removal by laptop brand
https://www.badcaps.net/forum/showth...42#post1108842
3.7. Lenovo ThinkPad
3.7.2. DXE password bypass driver injection (2012-2018)
......

Re: Lenovo Thinkpad T450S need bios

Hi everyone,

I'm not sure whether this fits here, but I found a Thinkpad 450s (i7, no touch) on the trash. There is a supervisor password set. Does anyone have a BIOS for this version?

Best,

Anonymous40093

HELP NEED ThinkPad T450S- attempt at password removal

Plz need help to remove password from this dump bios orgi lenovo t450s.auto patcher not work for me .thank for all

file got password anyone can help remove it

Re: LENOVO BIOS AUTO-PATCHER for Supervisor Password Removal

@trunguntilyou
This is the list I use, seems like it contains most of the models compatible with the DXE driver patch solution, if it's not in the list, most likely the DXE driver patch won't work, specially if BIOS is 32MB:

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Re: Lenovo Thinkpad T450S need bios

Thanks master

Re: Lenovo Thinkpad T450S need bios



Working Fine

Thank You...

Re: Lenovo Thinkpad T450S need bios

bios chuẩn đã thử nên
thanks b

Re: Lenovo Thinkpad T450S need bios



thanks is works...