Problems connecting to home Wi-Fi?

Shot in the dark here, but currently, my family has been encountering problems connecting to our Wi-Fi. We currently have two laptops, and three smart phones, and it appears that they can't connect simultaneously (I'm not sure if that makes any difference, but that's why I'm here). I have an HP (vista), about 4 years old, my sister has a Dell (unsure of what she has on there) at about a year old, with two androids, and an IPhone. Our internet provider is Qwest, and just had the router replaced a while ago when we thought that something was wrong with the router, and now as we've had two smartphones added within the last two weeks, we're having problems again.

Again, I've no idea about computers, what could be wrong, maybe our internet can't support this many devices, but any input is helpful…

It can support that many devices. Check your router. Unplug it for 30 seconfs plug it back in and see if that works if not check to see if the router had a reset button on it if so reset it. If that don't work call your provider and explain it tothem

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