Acer has released a firmware for nvidia rtx2060: https://global-download.acer.com/GDFiles/BIOS/Firmware/Firmware_NVIDIA_90.06.2D.40.7E_A_A.zip?acerid=636885946338067442&Step1=NOTEBOOK&Step2=PREDATOR&Step3=PREDATOR PT515-51&OS=ALL&LC=en&BC=ACER&SC=PA_6