If your Wi-Fi network keeps disconnecting and reconnecting, here are some things you can try:

1. Check that your Wi-Fi network is secured with a strong password.
2. Update the firmware of your router.
3. Uninstall any devices or programs that may be using your Wi-Fi network.
4. Change your SSID (network name) and password.
5. Reset your router and power cycle your modem and router.
6. Replace your router with a modern model that uses newer wireless bands and technologies.