Thank you for your post Onesolo,
As per the description of your issue you might need to check the following link to see which features are supported by Intel® Wi-Fi adapters:
Intel® Centrino ® Wi-Fi Products: What are the different features supported by Intel® Wi-Fi adapters?
Please be aware that the adapter that you have (Intel Advanced-N 6235) is not listed on this document.
You may also try downloading the Intel® My Wi-Fi Dashboard which applies to the adapter that you have.
See the links below for further information:
Intel® My Wi-Fi Dashboard: Features and benefits.
Intel Download Center: Intel® My Wi-Fi Dashboard for Windows* 7:
I hope this helps!