Nvidia GeForce RTX 4060 Possible Driver Installation Needed on Qubes OS 4.2

I’ve managed to install the driver using this tutorial Nvidia proprietary driver installation, or this Nvidia driver installation with the mention that I don’t have “/etc/sysconfig/grub” but I have “/etc/default/grub” in which I put the rd…

After restart, I connected a cable to my mini DP port, and there is still no signal on the external monitor. I took the cable from the System76 laptop on which I have Qubes OS 4.1.2.

$ lsmod | grep nouveau
$

$ lsmod | grep nvidia
nvidia_wmi_ec_baclkight      16384   0
video      69632    2   nvidia_wmi_ec_backlight,i915
wmi        45056    3   video,nvidia_wmi_ec_backlight,mxm_wmi

I really don’t know what else to check.
Did anyone face the same problem in not working HDMI or miniDP?