- Check the router power.
- Check if the router is connected to the modem.
- Look for any physical damages on the router or cable.
- Restart the modem and the router.
- Disconnect and reconnect all the cables and the router power ana power cycle the devices.
- Check if the internet setting is correctly configured.
- Ensure that devices on the network are using the latest firmware.
- Check if the router is overloaded with the number of devices.