Your connection between the access point to the router modem or internet is broken.?

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I'm at my families house with my laptop. I was here on March 15 and my computer was working fine, we came back the 19th and my internet connection says it connected with 5 bars but when I go to open my browser it stays connected for about 2 minutes and then decides its had enough. I'll run a troubleshoot, sometimes it says that my DNS network wasn't connected but it fixed it. But almost all times it said that the access point is broken. I've uplugged the modem and router, done hard resets and still nothing. I've looked before on other forums and it's said to to a ipconfig gone into the command prompt and did a ipconfig to see if anything was wrong and nothing according to directions, I've read else where that mcafee can cause issues I've removed that, and yet again nothing. Any suggestions please?