D-Link DWA-127 User Manual page 9

Section 2 - Installation
Click Yes to disable the adapter.
The adapter is now disabled. When disabled, a red X will be displayed.
Disabling the adapter will not remove the drivers. If you would like to use
the adapter, simply right-click it and select Enable.
D-Link DWA-127 Wireless N 150 USB Adapter
D-Link DWA-127 User Manual 9