Hello,

I am new to this forum and I already apologize for my english! I spent some time trying to find a solution to unblock a lenovo thinkpad x390 Yoga, which probably has, according to a diagram I found online, a NPCE388 Embedded Controller. I don't know much about laptop hardware but whith your help I could maybe manage to do it! In an other thread AAAC wrote:

"Or if you have an EC/KBC programmer you can READ, ERASE and PROGRAM EC/KBC, disconnect all source of energy for 1-2 minutes, then reconnect and use Lenovo Maintenance Utilities (UEFI version) to enter...

ThinkPad Thunderbolt 3 failure: What's happening, why it's happening, and how to fix it

https://www.notebookcheck.net/ThinkP....451207.0.html
https://nadim.computer/posts/2018-10-26-thinkpad.html
https://pcsupport.lenovo.com/ca/en/solutions/ht508988


ThinkPad Thunderbolt 3 Firmware attached,extracted from lenovo updates,plus links to driver downloads.Some models have 2 different firmwares, TBT.bin and AssistTBT.bin for the models that support or have bios assist enabled. NOTE:...

Hi Experts,

I need your help to remove the supervisor/password from my Lenovo ThinkPad X390 Yoga laptop.

Motherboard Details:
- Model: LBB-1 MB
- Board Number: 18729-1
- Other marking: 448.0G104.0011
- (Photo attached below)

Problem:
My laptop is locked with a supervisor or BIOS password. I have read the BIOS chip and attached the original dump file below.

Request:
Please help me by providing a clean/unlocked BIOS file, or remove the password from my attached dump.

Attachments:
- Motherboard...

Patch for P52 already exists, I helped few days ago a user ...
https://www.badcaps.net/forum/troubl...91#post3486691
Also for Thinkpad X390 (not Yoga, that one can be solved by writing EC ITE chipset), I solved few by patching bios....

Lenovo ThinkPad X390 Yoga Bumblebee-1 18729-1 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.

...

This specification for the Lenovo ThinkPad X390 Yoga Hybrid (2-in-1) 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 X390 Yoga boardview and X390 Yoga 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...

This specification for the Lenovo ThinkPad X390 Yoga Hybrid (2-in-1) 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 X390 Yoga boardview and X390 Yoga 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...

This specification for the Lenovo ThinkPad X390 Yoga Hybrid (2-in-1) 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 X390 Yoga boardview and X390 Yoga 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...

This specification for the Lenovo ThinkPad X390 Yoga Hybrid (2-in-1) 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 X390 Yoga boardview and X390 Yoga 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...

This specification for the Lenovo ThinkPad X390 Yoga Hybrid (2-in-1) 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 X390 Yoga boardview and X390 Yoga 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...

This specification for the Lenovo ThinkPad X390 Yoga Hybrid (2-in-1) 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 X390 Yoga boardview and X390 Yoga 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...

This specification for the Lenovo ThinkPad X390 Yoga Hybrid (2-in-1) 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 X390 Yoga boardview and X390 Yoga 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...

This specification for the Lenovo ThinkPad X390 Yoga Hybrid (2-in-1) 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 X390 Yoga boardview and X390 Yoga 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...

This specification for the Lenovo ThinkPad X390 Yoga Hybrid (2-in-1) 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 X390 Yoga boardview and X390 Yoga 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...