Wifi connection inactive

[Tom Bollah]

Hello the forum,
I posted this thread in the French part of this forum but receive no answer. This is why I post it in the English part.
A few days ago, I played the sorcerer's apprentice in running multiple programs to clean my Win 7 registry.
As consequence, my WIFI connection is becoming inactive.

In the Device Manager, the Network Adapters entry shows:

Avast! Firewall NDIS Filter Miniport (with an orange triangle and a!)

Whose properties display an error message:
Windows cannot start this hardware device Because its configuration information (in the registry) is incomplete or damaged. (Code 19).
I uninstalled Avast free with aswClear and then reinstall them but the wifi connection remains inactive
Should a member of the forum could advise me to repair my silliness.

Thanks in advance for your answers.

Tom

[essexboy]

Right click the Avast! Firewall NDIS Filter Miniport  and select delete
Then run a repair on Avast

[Tom Bollah]

Hi Essexboy,

Thanks for your quick answer.
There is no "delete" function with the right click on "Avast! Firewall NDIS Filter Miniport" in the Device Manager. I guess you mean "uninstall"
Would you please clarify what you mean by " run a repair on Avast".
Regards
Tom

[essexboy]

Sure I did mean uninstall 

To repair Avast go to Control Panel > Programs and Features
Select Avast and on the left will be a repair option
Select that

[Tom Bollah]

Hi essexboy,
« Avast! Firewall NDIS Filter Miniport" has been uninstalled
Avast free 8 has been repaired
In the Device Manager, no trace of Avast! Firewall NDIS Filter Miniport
4 • Network adapters

   Intel(R) 82577LM Gigabit Network Connection

   Intel(R) Centrino(R) Advanced-N 6200 AGN
Another suggestion?

Regards,
Tom

[essexboy]

Is the network working ?

Please download MiniToolBox, save it to your desktop and run it.

Checkmark the following checkboxes:

• Flush DNS
• Report IE Proxy Settings
• Reset IE Proxy Settings
• Report FF Proxy Settings
• Reset FF Proxy Settings
• List content of Hosts
• List IP configuration
• List Winsock Entries
• List last 10 Event Viewer log
• List Installed Programs
• List Devices
• List Users, Partitions and Memory size.
• List Minidump Files

Click Go and post the result (Result.txt). A copy of Result.txt will be saved in the same directory the tool is run.
 
Note: When using "Reset FF Proxy Settings" option Firefox should be closed.

[Tom Bollah]

Hi essexboy,
Thanks for your answer.
I ran MiniToolBox.
The result is attached.
The hope that it might help to solve the problem.
The number of errors detected is it disturbing?
Regards,
Tom

[essexboy]

That looks good.  What connection errors if any do you get ?

[Tom Bollah]

Hi essexboy,
I have no error message.
Simply (!) the switch on the front the computer remains inactive while two weeks ago, the wifi connection was working properly.
Meantime I ran several programs to clean the win7 register. Since then, my wireless connection is disabled.
The sole network adapter with a problem was the Avast! Firewall NDIS Filter Miniport (with an orange triangle and a!) (see first post).
But I don't know if there is a relation.
All ideas or suggestions to solve the problem are welcome.
Regards,
Tom

[essexboy]

OK that is a coincidence, what make is the laptop and I will check out which driver is responsible for that

[Tom Bollah]

Hi,
It's a mobile HP EliteBook 8740w I5 4 processors running Win7 64 bits.

Thanks for your help
Tom

[essexboy]

Could you download and install this latest driver for your system ftp://ftp.hp.com/pub/softpaq/sp48001-48500/sp48482.exe

Also could you try this check http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01891123&lang=en&cc=us&contentType=SupportFAQ&prodSeriesId=4138087&prodTypeId=321957#WLANOn

Starting here : Turn on device using HP Wireless Assistant

[Tom Bollah]

Hi,
First link: drivers downloaded and installed .
Second link: more disturbing. For Wifi, it says: No Integrated wireless device and the "turn wireless on" button is inactive; the Centrino network adapter is still working properly.
Do you have any other suggestions or would it better that I go to the HP support?
In any case, many thanks for your advices, they reflect your skill.
Regards
Tom

[Tom Bollah]

Hi,
I'm a little ashamed but I found the solution.

As I hesitate to use "hardware" manipulations that I can not understand, I "Googled" in every way and I fell a little by chance:
http://h30434.www3.hp.com/t5/Wireless-Internet-Home-Networking-e-g-Windows-8/Wireless-disabled-by-wireless-button-message-Resolved/td-p/618821
So I uninstalled the HP Wireless Assistant, restart the pc and my wireless connection is anew operational.
In any case, thank you for answering me.
Tom

[essexboy]

Thanks for letting me know .. That may come in usefull at some stage