Other computers with Win 7 are woking at the same ethernet cable. I think the problem is the LAN card. To check your internet speed , Go online and search for internet speed test you will find few websites which will check your internet speed and provide the accurate results. Hi Kencar, We would like to know more about your concern, please provide the following information: It is still working with mbit.

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I tried the compatibilty mode for Win 8 and Win 7, I deinstalled the driver and tried every variation. The problem is not internet speed. You can help protect yourself from scammers by verifying that the contact is a Microsoft Agent or Microsoft Employee and that the phone number is an official Microsoft global customer service number.

I updated the driver but I was just able to find a driver for Win 8. Sorry this didn’t etherjet. Of course there is no compatibility setting there to change. Or do I have to downgrade back to Win 7?


Jessen P Replied on April 16, Hi Kencar, We would like to know more about your concern, please provide the following information: In my case the driver file is called L1C63x Thanks for your feedback, it helps us improve the site.

Download Qualcomm Atheros network driver for AR and 64bit Windows 7

Could you suggest where one might find this setup file? I have the same question Acelyn Alc Replied on February 6, How satisfied are you with this response? I think the problem is the LAN card. This thread is locked.

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Thanks for marking this as the answer. This site in other languages x. Are you referring to internet speed?

The computer is connectet via Ethernet to a router which is working with Gigabit LAN, also with other computers in this network. In reply to kencar’s post on February 4, In reply to Jessen P’s post on April 16, In reply to John Rubdy’s post on April 27, In reply to hobraun’s post on April 25, Place a check mark next to Run this program in Compatibility mode and select the operating system accordingly from the drop down list.


Did you make any changes on the computer prior controllet this issue? I went looking for the ‘setup file’ for the driver and all I was able to locate was the driver itself which is in ‘C: You can follow the question or vote as helpful, but you cannot reply to this thread.

Right click on the setup file of the driver and select Properties. Click OK and run the setup.

Qualcomm Atheros AR PCI-E Fast Ethernet Controller (NDIS – Microsoft Community

John Rubdy Replied on April 27, How can I use my gigabyte connection? You’re probably getting this connection speed from the icon at your task tray, correct? Did this solve your problem? Hope this information is helpful.