Hi,

I got a Lenovo Thinkcentre M75n (MT-M 11G5 PF3XG5V3) with a semi-bricked bios.

Short recap: I want to add an external GPU via the M.2 slot (Oculink). It does work but has some problems with the onboard GPU of the Ryzen 3 3300U. So I used Smokeless_UMAF to disable it. Since then I don't get any video via the external GPU nor the iGPU and Can't access the BIOS, but the PC does boot to the OS.

I desoldered the flash IC MX25U12872F and dumped the flash.

I also downloaded the newest BIOS and have it as a .bin file (I loosely compared the contents...

This specification for the LENOVO ThinkCentre M75n can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the ThinkCentre M75n boardview and ThinkCentre M75n 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 ThinkCentre M75n IoT can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the ThinkCentre M75n IoT boardview and ThinkCentre M75n IoT 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,...

This specification for the LENOVO ThinkCentre M75n IoT can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the ThinkCentre M75n IoT boardview and ThinkCentre M75n IoT 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,...

This specification for the LENOVO ThinkCentre M75n IoT can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the ThinkCentre M75n IoT boardview and ThinkCentre M75n IoT 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,...

This specification for the LENOVO ThinkCentre M75n IoT can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the ThinkCentre M75n IoT boardview and ThinkCentre M75n IoT 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,...

This specification for the LENOVO ThinkCentre M75n IoT can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the ThinkCentre M75n IoT boardview and ThinkCentre M75n IoT 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,...

This specification for the LENOVO ThinkCentre M75n IoT can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the ThinkCentre M75n IoT boardview and ThinkCentre M75n IoT 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,...

This specification for the LENOVO ThinkCentre M75n IoT can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the ThinkCentre M75n IoT boardview and ThinkCentre M75n IoT 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,...

This specification for the LENOVO ThinkCentre M75n IoT can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the ThinkCentre M75n IoT boardview and ThinkCentre M75n IoT 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,...

This specification for the LENOVO ThinkCentre M75n IoT can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the ThinkCentre M75n IoT boardview and ThinkCentre M75n IoT 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,...

This specification for the LENOVO ThinkCentre M75n can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the ThinkCentre M75n boardview and ThinkCentre M75n 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 ThinkCentre M75n can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the ThinkCentre M75n boardview and ThinkCentre M75n 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 ThinkCentre M75n can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the ThinkCentre M75n boardview and ThinkCentre M75n 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 ThinkCentre M75n can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the ThinkCentre M75n boardview and ThinkCentre M75n 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...