According to your description, I suggest you refer to the following information:
If you are referring to the green indicator light of the laptop connected to the network cable jack (green light indicates the network connection status), then you can refer to the following analysis:
1. It is recommended that you change the network cable and network environment to surf the Internet. If the problem still exists, it is recommended to update the network card driver;
For how to download the driver of the corresponding product from HP official website, I suggest you refer to the following official documents:
/Chat and consult an online engineer to help you solve the problem further.
More product information is available in www.hp.com.cn/800..