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Article Number: 000126205

Dell DisplayPort Monitors Have No Video When Connected to Certain OptiPlex Desktops

Summary: This article contains information about DisplayPort (DP) monitors connect to certain OptiPlex systems not showing video when turned on.

This article may have been automatically translated. If you have any feedback regarding its quality, please let us know using the form at the bottom of this page.

Article Content

Symptoms

No Video when Monitor is Turned On

Dell monitors connected to the DisplayPort (DP) on the system board of OptiPlex computers listed below may not display video. This happens when the monitor is turned on and after the system is powered up.


Affected OptiPlex Computers:

  • OptiPlex 3050
  • OptiPlex 5050
  • OptiPlex 7050
  • OptiPlex 3060
  • OptiPlex 5060
  • OptiPlex 7060
  • OptiPlex 3070
  • OptiPlex 5070
  • OptiPlex 7070
     

Cause

This is working as designed. The Unified Extensible Firmware Interface (UEFI) Graphics Output Protocol (GOP) requires the monitor to get the Extended Display Identification Data (EDID) data first. Once the data is received, it will output video to the monitor.

Resolution

It is expected behavior where the design of hot plug detection follows the UEFI GOP and DP standard.

The workaround for this behavior is to power on the monitor first and then power on the system to ensure that the monitor can be detected.

Article Properties

Affected Product
OptiPlex 3050 Tower, OptiPlex 3050 Micro, OptiPlex 3050 Small Form Factor, OptiPlex 3060 Tower, OptiPlex 3060 Micro, OptiPlex 3060 Small Form Factor, OptiPlex 3070 Tower, OptiPlex 3070 Micro, OptiPlex 3070 Small Form Factor, OptiPlex 5050 Tower , OptiPlex 5050 Micro, OptiPlex 5050 Small Form Factor, OptiPlex 5060 Tower, OptiPlex 5060 Micro, OptiPlex 5060 Small Form Factor, OptiPlex 5070 Tower, OptiPlex 5070 Micro, OptiPlex 5070 Small Form Factor, OptiPlex 7050 Tower, OptiPlex 7050 Micro, OptiPlex 7050 Small Form Factor, OptiPlex 7060 Tower, OptiPlex 7060 Micro, OptiPlex 7060 Small Form Factor, OptiPlex 7070 Tower, OptiPlex 7070 Micro, OptiPlex 7070 Small Form Factor ...
Last Published Date

29 Jun 2023

Version

6

Article Type

Solution

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