The Wireless Radio Control setting may be missing in the BIOS settings for the Latitude 5289 2-in-1. This article provides a resolution for this issue.
You may notice the Wireless Radio Control setting is missing in the System Setup/BIOS settings on the Dell Latitude 5289 2-in-1. This setting should be available under the Power Management section in the list of BIOS Settings (Figure 1):
Figure 1: Wireless Radio Control setting for the Latitude 5289 2-in-1
If this setting is not available on your Dell Latitude 5289 2-in-1, download and install the latest BIOS update (Version 1.8.1 or later) from the following location: Dell's Support Website / Drivers & downloads. Select the BIOS category from the menu of available drivers to find the latest BIOS version.