I have amigaone se, I have couple problems

I try to install ethernet card drive, it crashes when I assign driver, when I reboot, it stops loading when try to recognised ethernet, or when I unpluged ethernet cable it waits 1 minute then boot os4
the second broblem hardware reset function does not work, I pluged my case reset jumper to j18 pin nothing happens
does anyone have any idea for these faults