Ubuntu - nvidia driver is not working

I installed nvidia driver 550 on linux ubuntu 24.04
but it is not working

$ nvidia-smi
NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.
$ sudo apt install nvidia-driver-550
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
nvidia-driver-550 is already the newest version (550.90.07-0ubuntu0.24.04.1).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

i have RTX 3060 on my laptop.
nvidia-bug-report.log.gz (113.6 KB)

I solved this problem.
i disabled secure boot and updated kernel