My laptop says 'limited connectivity' to my Internet access?

My mother just recently bought five new iPhones, one for each of us in our family. We have Comcast Xfinity as our Internet data plan, and I'm wondering if the arrival of our new iPhones took up the limitation of Internet access in our house. Before we had iPhones, we just had three computers and an iPad in our house.So, is it the iPhones that took up most of our Internet connections, and if so, how do you expand the limitation of devices for our Internet connection?

You will need to log into your modem and check your settings for wireless connections.

if you do not know how to do this, call your ISP and they will talk you through it

  • Why does my laptop keep losing Wi-Fi connectivity? My laptop, a Dell Insprion, keeps losing Wi-Fi connectivity, and keeps showing the Wi-Fi connection as 'limited'. Wi-Fi on other devices like my iPhone works fine, while the laptop has problems. I looked at the power settings too, as it is sometimes set to switch off Wi-Fi to conserve power, but it does it even when plugged in. Also, it had no problems when I used it with the Wi-Fi in US for the past month. I'm in India now.
  • What does it mean when your internet says connected with limited access? I have a windows vista that's 2008. My house internet went down yesterday so I had to take the plug out of the internet and plug it back in after 10 minutes. Then everything worked but today my laptop says connected with limited access but my iPad internet and iPhone works fine. So what to do? I tried everything on google but it didn't work. My sister said its like something I downloaded but I didn't download anything since like 2 weeks. So what to do?
  • My laptop says the Wi-Fi connection is connected to the internet, but has no access? I'm using a Windows 7 laptop and I can't connect to the internet, while my iPhone and mom's laptop has internet access. I have tried resetting the router, used system restore and virus scans but there were no results. Does anyone knows how to fix this issue?
  • Limited internet on iPhone, ways to save? I have an iPhone 4 on Verizon and since they got rid of their unlimited data plan a year ago I only have 2gb of internet. What are some ways I can save my internet so I don't go over? Is there any way I can get alerts when I'm about to go over? I already connect to Wi-Fi when possible.