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Incorrect AC Adapter Power Shows in BIOS When Connect to Dell Performance Dock WD19DC or WD19DCS

Summary: Incorrect AC Adapter power shows in the BIOS when battery capacity is low when connected to Dell Performance Dock - WD19DC or Dell Performance Dock - WD19DCS. This occurs while using a dual USB-C cable on some XPS and Precision laptops. ...

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Symptoms

When booting BIOS while using a dual USB-C cable connected to the docking station, if the battery is lower than 10% the battery information shows 15W under AC adapter (Figure 1).
AC Adapter shows 15W
Figure 1: AC Adapter shows 15W

Affected Platforms:

  • Dell Performance Dock - WD19DC
  • Dell Performance Dock - WD19DCS
  • XPS 17 9710
  • XPS 17 9720
  • XPS 17 9730
  • Precision 5760
  • Precision 5770

Cause

Not applicable

Resolution

The following steps resolve the AC adapter error.

  1. Insert one USB-C connector into the USB port (Figure 2).
    First USB-C connector
    Figure 2: First USB-C connector
  2. Insert the second USB-C connector into the USB port (Figure 3).
    Second USB-C connector
    Figure 3: Second USB-C connector

Affected Products

Dell Performance Dock - WD19DC, Dell Performance Dock – WD19DCS, Precision 5760, Precision 5770, XPS 17 9710, XPS 17 9720, XPS 17 9730
Article Properties
Article Number: 000217571
Article Type: Solution
Last Modified: 11 Sept 2023
Version:  1
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