Internet keeps restarting off and on all day
One thing you can do is view your service Status:
What do the modem's signal stats look like ? Try getting them here; http://192.168.100.1
Try getting them here http://192.168.100.1 or here http://10.0.0.1
Please post the *Downstream Power Level*, the *Upstream Power Level*, and the *SNR* (Signal to Noise Ratio) numbers.
What is the exact make and model number of the modem ?
Is this a WiFi connection ?