If they're still under their original warranty, Lenovo might be able to help. I seem to remember that some Lenovo machines use Insyde BIOS which do have some unlocking tools, but that may not apply to newer models. If you do try flash a new BIOS with the CH341A, definitely do a backup first

I assume you saw this? [URL]https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/bios-requests-only/91555-bios-guides-methods-resources-and-tools[/URL]https://If they're still under their...rranty, Lenovo

Hello everyone,

I arrived here to get more knowledge about soldering and electronics repair in general, mainly prompted by YouTubers like Richard from 'Learn Electronics Repair' and Adrian from 'Adrian's Digital Basement'.

I'm also into bios modding (particularly learning about bringing new features to old computers or creating a new BIOS for PC's that never got an update from the manufacturer) and repurposing old enterprise IT stuff.