Insufficient Power Error on Precision or XPS with Dock

Summary: A Precision 7550 or Precision 7750 used with a WD19DCS, or a Precision 5750 or XPS 17 9700 used with a WD19TB may experience insufficient power errors.

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Symptoms

A Precision 7550 or Precision 7750 used with a WD19DCS may experience insufficient power errors after updating the BIOS to version 1.24.0. A Precision 5750 or XPS 17 9700 used with a WD19TB may experience insufficient power errors after updating the BIOS to version 1.25.0. The error message reads, "You have plugged in a lower wattage power adapter, USB-C charging device, or power pass-through device. Your system will continue to work, but may not perform at its peak."

Insufficient power error

Affected Platforms:

  • Precision 5750 used with a Dell Thunderbolt Dock - WD19TB
  • Precision 7550 used with a Dell Performance Dock - WD19DCS
  • Precision 7750 used with a Dell Performance Dock - WD19DCS
  • XPS 17 9700 used with a Dell Thunderbolt Dock - WD19TB

Cause

Not applicable

Resolution

Precision 7550 and Precision 7750

Updating to BIOS version 1.25 or later on the computer resolves the issue. To download and install the BIOS, reference the BIOS Update Guide.

Precision 5750 and XPS 17 9700

Updating to BIOS version 1.26.1 or later on the computer resolves the issue. To download and install the BIOS, reference the BIOS Update Guide.

Affected Products

Dell Performance Dock – WD19DCS, Dell Thunderbolt Dock - WD19TB, Precision 7550, Precision 5750, Precision 7750, XPS 17 9700
Article Properties
Article Number: 000216812
Article Type: Solution
Last Modified: 13 Nov 2025
Version:  10
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