Here are steps you can take to try to resolve the issue:

1. Turn the modem or router off and wait for five minutes before restarting.
2. If your laptop is connected to the network via an Ethernet cable, try disconnecting and reconnecting the cable.
3. Check and ensure that your Wi-Fi game is turned on.
4. Check to see if your laptop is using the correct Wi-Fi security key or password to access the network.
5. Try switching the Wi-Fi network manually or bringing your laptop closer to the router.
6. Update your laptop’s operating system with the latest patches.
7. Try reinstalling the network driver on your laptop.