Problem WIFI (no internet access)

Hello, guys. I week ago I had a Pavilion dv4 (dv4t - 4100) with Intel 802.11b/g/n WLAN. He connected nicely to my router when tonight, he began to show "no internet access", even if the computer recognizes the router and says the signal is at 99%. I guess that a link in the process of WiFi connection was broken at a given moment. It happened between creating a new user account and maybe installing Safari browser. I'm not sure. Or it could be hardware, but nothing shows up in the analysis of troubleshooting or in Device Manager.

To the HP Support Assistant, shows as follows:

Microsoft Virtual WiFi Miniport Adapter connected #2-non
Microsoft Virtual WiFi Miniport adapt - not connected
Intel(r) WiFi Link 1000 BGN - wireless network connection
Atheros AR851 PCI-e Gigabit Ethernet (NDIS 6.20) controller - not connected

The HP network audit, indicates the network in my local router information, internet IP address: not available.

I'm really confused, because I can not deal with same software that manages my WiFi connections. I found "Intel My WiFi Technology", also "HP Connection Manager" and especially WiFi connections to the taskbar. Then, we should I use and set?

My questions are:

(A) if I was using internet without opening 'Intel My WiFi Technology' and 'HP Connection Manager. Do I really need these software? Why are they in my book and why should I activate them?

(B) if it is important to use one of these programs mentioned above, or both, why and how should I use if I connect to the internet without problem before? And it will restore my internet connection?

(C) what WLAN module I have? It is said in my order Intel 802.11b/g/n WLAN. It is said in the HP Support Assistant Intel(r) WiFi Link 1000 BGN. Are they the same?

(D) after identification of my WLAN module, where can I find a driver for it? Because one of them must not be found anywhere. I am in my second built-by-me-bench and I never had trouble to find a drive. For some reason these names I have mentioned do not exist in the list of drivers to Intel. I tried the HP site, but it's too complicated and it seems do not have this key WLAN.

(E) at the end, how is the best way to connect to the internet and how do I configure my phone for a first and fast connection? Or I have to do anything and I just need to fix something to go back to where it was before, when I was using internet without problem and in a simple way?

Summarize: I'd love to see a feature more late who says: "connecting dock", where all possible means of connection, WiFi and cable, can be defined in a single window, with simple and clear tutorials.

Moreover, I like the laptop. Well done, cute, smooth and not full of blotware. I also loved access to all material, simple as a click of the fingers. This will be very handy when I replace the HD for one SSD and mix in a Blu - Ray player. But is a pain.

Well, I really, really appreciate all responses.

See you soon,.

It's the software antivirus (Avast). For some reason when I created the new account, the Avast did not load the new settings and blocked the internet (don't ask me how).

I uninstalled and tried to establish a connection and I got the same 'no internet connection' icon, but when I tried to open Safari the network is is behaved as if was the first time that I accessed internet. A WiFi window pops up, which I closed, and the internet connection has been restored. Now I'm going to reinstall Avast from scratch.

Detective Conan.

Tags: Notebooks

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