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Flickering or Blanking Video Issue with Dell S2721Q, S2721QS, and S3221QS Monitors when Connected to a M1 MacBook or Mini via USB-C to DP Adapter

Summary: Information about video issues on the Dell S2721Q, S2721QS, and S3221QS monitors when connected to Apple M1 devices.

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Article Content


Symptoms

Flickering or blanking video.

Cause

No cause information.

Resolution

Flickering or Blanking Video

Your Dell S2721Q, S2721QS, and S3221QS monitor may have flickering or blanking video when using a USB-C to DisplayPort (DP) adapter.


Solution

The following adapters should be used with the Dell monitors to stop the flickering or blanking video issue.

  • MacBook M1:
    • Dell USB-C to HDMI Adapter (Dell Part #47KD7)
    • Dell USB-C Mobile Adapter - DA310 (Dell Part #0XJD9N)
       
  • Mac Mini M1:
    • Dell HDMI Cable
    • Dell USB-C to HDMI Adapter (Dell Part #47KD7)
    • Dell USB-C Mobile Adapter - DA310 (Dell Part #0XJD9N)


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Article Properties


Product

Dell S2721Q, Dell S2721QS, Dell S3221QS

Last Published Date

27 Apr 2021

Version

2

Article Type

Solution