This message was posted on behalf of Intel Corporation
We understand you would like to connect to a 5 GHz network. In order to do so with a 7260 adapter, it must be one of the following models:
For these models using the OEM specific driver, or our latest Intel® PROSet/Wireless Software and Drivers (generic), you'll be able to natively connect to a network using one of these two bands using the default adapter settings.
There is also an Intel® Wireless-N 7260, which is single band (2.4 GHz only). It is not possible to enable dual band capabilities on this particular adapter.
You may confirm which specific adapter you're using by following the steps on our identification article, or by engaging your computer manufacturer: