Bluetooth Device Disconnects and Reconnects on a Dell Pro Laptop

Summary: Learn about the sudden disconnect of the Bluetooth device when it is used on a Dell Pro laptop.

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Symptoms

Dell Premier keyboard or mouse may disconnect after 15 minutes of the connection. It may then recover on its own after a few minutes.

Affected Platforms:

  • Dell Pro 13 Plus PB13250
  • Dell Pro 13 Premium PA13250
  • Dell Pro 14 Plus PB14250
  • Dell Pro 14 Premium PA14250
  • Dell Pro 16 Plus PB16250

Affected Devices:

  • Dell Pro Premium Collaboration Keyboard KB900
  • Dell Pro Premium Mouse MS900

Cause

The Bluetooth controller was getting doorbell interrupt but not getting sleep control status bit set when the driver transitioned from D3 to D0.

Resolution

Updating to Intel BE2xx/AX4xx/AX2xx/9xxx Bluetooth Driver version 23.130.0.3, A46 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 Premium Collaboration Keyboard KB900, Dell Pro Premium Mouse MS900, Dell Pro 13 Premium PA13250, Dell Pro 14 Premium PA14250, Dell Pro 13 Plus PB13250, Dell Pro 14 Plus PB14250, Dell Pro 16 Plus PB16250
Article Properties
Article Number: 000286954
Article Type: Solution
Last Modified: 11 Jun 2025
Version:  8
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