If the problem is the kernel version then please try to find the closest two versions where one works and the other does not, from this list:
https://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D
If the problem is the kernel version then please try to find the closest two versions where one works and the other does not, from this list:
https:/ /kernel. ubuntu. com/~kernel- ppa/mainline/ ?C=N;O= D