it may also be you need to install chipset driver for your motherboard aswell
since its desktop PC,performance and battery life is not factored into this problem.
Find and install DDU and reinstall it with the following url: https://www.geforce.com/drivers/results/141169
Its for the rtx2070
if this doesnt work,try with a DP cable and if its still problem maybe someone else knows or do a RMA on it.