I updated the drivers of my on board Realtek Lan Card via windows Update, but after that, it is not functional anymore. Cable is working fine, when I test it on my laptop.
The drivers make your text and images sharper and clearer.
As part of the NVIDIA Notebook Driver Program, this is a reference driver that can be installed on supported NVIDIA notebook GPUs.
However, please note that your notebook original equipment manufacturer (OEM) provides certified drivers for your specific notebook on their website.
time to get a new network card I suppose The hardware cannot physically "break" if you install new drivers, but functionality and performance can be affected.
For example, computer manufacturers tend to use OEM (Original Equipment Manufacturers) versions of hardware and hardware drivers.