dell g15

Hi everyone, I am facing a funny situation. I have a Dell G15 (5511) with Tiger Lake chipset, which has 20 lanes PCIe 4.0, which 16x are for GPU and 4x M.2 Slot 1. I bought a SSD T500 Crucial 1TB which is Gen4 and instaled in Slot1. I have cloned the OS from my original SSD. Here comes the funny...