Dell Display and Peripheral Manager Set Command Affects Multiple Monitors

Résumé: Learn what to do if a command-line interface (CLI) set command for one serial number applies to all connected and supported Dell Pro P series monitors.

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Symptômes

A Dell Display and Peripheral Manager (DDPM) CLI set command may change webcam settings on multiple Dell Pro P series monitors simultaneously.

This issue occurs under the following conditions:

  • Dell Display and Peripheral Manager (DDPM) is installed on the computer.
  • The computer is connected to multiple Dell Pro P series monitors with integrated webcams.
  • A DDPM CLI set command is issued for a webcam-related setting.

The following command shows an example of where this issue might be experienced.

DDPM.exe /set -Display=Webcam_hdr -value=on -SerialNumber=<SerialNumber>
Note: <SerialNumber> = The serial number of the device

The CLI set command applies the setting to all connected and supported Dell Pro P series monitors instead of only the monitor with the specified serial number.

Affected Software:

  • Dell Display and Peripheral Manager (versions 2.2.1.16 and 2.2.0.18)

Affected Monitors:

  • Dell Pro P 24 USB-C Hub Conferencing Monitor P2426HEB
  • Dell Pro P 24 USB-C Hub Webcam Monitor P2426HEV
  • Dell Pro P 27 USB-C Hub Conferencing Monitor P2726DEB
  • Dell Pro P 27 USB-C Hub Webcam Monitor P2726DEV
  • Dell Pro P 34 USB-C Hub Conferencing Monitor P3426WEB
  • Dell Pro P 34 USB-C Hub Webcam Monitor P3426WEV

Cause

Different DDPM components use different handling logic for integrated webcams and external webcams. Because of this behavior mismatch, the CLI set command may not correctly isolate the target device when multiple supported displays are connected.

Résolution

Updating Dell Display and Peripheral Manager to version 2.3.0 or later on the computer resolves the issue. To download and install Dell Display and Peripheral Manager, refer to Dell Display and Peripheral Manager for Windows.

Produits concernés

Dell Display and Peripheral Manager, Dell Pro P 24 USB-C Hub Conferencing Monitor P2426HEB, Dell Pro P 24 USB-C Hub Webcam Monitor P2426HEV, Dell Pro P 27 USB-C Hub Conferencing Monitor P2726DEB, Dell Pro P 27 USB-C Hub Webcam Monitor P2726DEV , Dell Pro P 34 USB-C Hub Conferencing Monitor P3426WEB, Dell Pro P 34 USB-C Hub Webcam Monitor P3426WEV ...
Propriétés de l’article
Numéro d’article: 000442084
Type d’article: Solution
Dernière modification: 24 juin 2026
Version:  3
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