Hello Jasmine,
I would suggest you uninstall the Network drivers from the device manager. Then go to your device manufacturer’s website to download and install the latest drivers. The following support articles will help you to do the above troubleshooting steps:
Using Device Manager to Uninstall Devices and Driver Packages https://docs.microsoft.com/en-us/windows-hardwa...
Asus support website: https://www.asus.com/Laptops/X540LA/HelpDesk_Do...
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