Hi!   Well, well... Win starts to get sassy with me... I really hope you guys can help me out! So, I followed the instructions of this post:     I replaced the display to a 120hz one, reinstalled Win and modded the BIOS settings as stated without upgrading from A12 to newer versions. Everything worked flawlessly until after I swapped the graphics card from a GTX 680m to a GTX 1060m. (bought from ebay: https://www.ebay.de/itm/GeForce-GTX-1060M-6-GB-DDR5-MXM-3-0