Hello everyone! It is a pleasure to have Prema! Thanks to our pc's are not far behind. Prema thank you very much for your work and answer questions. I have a question! I have a pc clevo p170sm, prema bios mod v2 and hope nvidia gtx 970m. I have the downloaded driver and the modified inf file. I will do a new installation of Windows and with the new nvidia. Nvidia to work on my computer, I need mandatory to install windows on UEFI (gpt) or the card will also work on legacy (mbr)? Thank you for your help Cristianroso7