Hi,
Please do try these troubleshooting steps that may help.
- Uninstall/reinstall the Network Adapter.
- Go to Device Manager and uninstall Network Adapter.
- Reboot your laptop and it should reinstall the driver automatically. If it doesn't reinstall the driver automatically here's the link where you can download the LAN driver. Just select the exact model and OS of your laptop and it will give you the exact driver for your PC.
https

/www.asus.com/Notebooks/X751LN/HelpDesk_Download/
- Once installed do reboot your laptop then test it again.
- If all these doesn't work, do try these other troubleshooting steps.
http
/www.tomshardware.com/faq/id-2751316/connectivity-issues-windows-fixes.html