Hello,
You may check to see if the NEC are installed, follow the steps below:
NEC drivers are installed on the Surface Pro 4.
- Open Device Manager.
- Select the Batteries tab.
- Right-click on "Microsoft ACPI-Compliant Control Method Battery" icon.
- Choose Properties.
Note: If you see "NEC" in the description, select the "Roll Back Driver" button and then select OK.
Do update us on the progress.
Regards.