Intermittently After Reboot Ambient Light Sensor Does Not Function

Summary: The Dell Pro 13 Premium PA13250 and Dell Pro 14 Premium PA14250 Ambient Light Sensor (ALS) intermittently does not function after rebooting the computer.

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Symptoms

After rebooting the laptop, ALS does not work. When this occurs, the HID Sensor Collection V2 device shows a yellow exclamation in Device Manager.

Affected Platforms:

  •  Dell Pro 13 Premium PA13250
  •  Dell Pro 14 Premium PA14250

Cause

The operating system failed to load the WudfRd driver in the Windows User Mode Driver Framework (UMDF).

Resolution

Updating to driver version 3.11.100.7727 or later on the computer resolves the issue. To download and install the driver, refer to How to Download and Install Dell Drivers and Firmware.

Affected Products

Dell Pro 13 Premium PA13250, Dell Pro 14 Premium PA14250
Article Properties
Article Number: 000277779
Article Type: Solution
Last Modified: 24 Jul 2025
Version:  4
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