Please try adding pciehp.pciehp_force=1 to the kernel boot parameters (https://wiki.ubuntu.com/Kernel/KernelBootParameters, ask if you have any doubt), and check if you still need to boot with sd card inserted.
Please try adding pciehp. pciehp_ force=1 to the kernel boot parameters (https:/ /wiki.ubuntu. com/Kernel/ KernelBootParam eters, ask if you have any doubt), and check if you still need to boot with sd card inserted.