Via VT8231/ VT8233/ VT8235/ VT8237 Motherboard Information
It is recommended to always use the most recent driver version available.
Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.
To download VT8231/VT8233/VT8235/VT8237 driver read the instructions before.