I am sorry for another reply, I couldn't find an option to edit my post. I managed to reprogramm BIOS, so the PC is working and seems to be everything okay, except of the serial numer. Could please anyone tell, how to repair it? Still, I will be really glad if someone could confirm, that this solution won't harm anything. Thank you.

Hi all, lucky to find this forum, wish you all a nice weekend!

Dear all, I found this forum and this is my last hope. I had a problem with BIOS update though Windows Update - it was stuck for an hour and I decided to restart. Then it bricked. The reason to update was, I had no video on my panorama display. I tried to find a BIOS on my own, but it seems that Lenovo doesn't provide a complete file, only the BIOS section. Is there any chance someone could repair it? I did a backup from the chip, attached. I also tried using another BIOS, slightly different revision. It worked and even I had a display working, but then Windows tried to update once again and it...