$540 via promo credit when you add a new smartphone line with your own 4G/5G smartphone on postpaid Unlimited Plus plan between 5/18/23 - 5/31/23 & port-in req'd. Promo credit applied over 36 months; promo credits end if eligibility requirements are no longer met.
Does the Internet light go out only when the computer is running or is it at random? That's the key question here. There's a lot of things that go on so some careful observation helps out big time. Be sure to also take note of the DSL Light. If that's flashing or out that would be another issue we need to consider.
If you're absolutely unsure, we'll have you get the modem logs. But it is best to take note of this information either way as troubleshooting issues, for a strange as some may be are best done by observation.