To ensure peak performance, it is critical to use the official Dell-signed drivers rather than generic versions. Dell’s specific package (often listed under "Network" on their support site) includes specific power management tweaks that prevent the card from "sleeping" during active use—a common bug in the 1707 series.
I spent hours fighting with the trying to get both WiFi and Bluetooth working properly on a clean Windows 7 install. If you are in the same boat, here is the solution that finally worked at the top of the list. To ensure peak performance, it is critical to
If newer versions cause instability, this older release is often more stable for legacy Windows 7 setups: Dell Support - Driver 709FW . Dell Wireless 1707 WiFi/Bluetooth Driver If you are in the same boat, here
This ensures the PCIe lanes used by the 1707 card are correctly identified. Step 2: Finding the Official Driver Step 2: Finding the Official Driver