Article Number: 000141556


Windows logs you off when you plug or Unplug HDMI

Summary: This article provides the information on "Windows logs you off when either disconnecting or connecting an external display/projector via High Definition Multimedia Interface (HDMI)".

Article Content


Symptoms


This article provides the information on "Windows logs you off when either disconnecting or connecting an external display/projector via High Definition Multimedia Interface (HDMI)".


HDMI connection change causes system to log off Windows.

Dell Inspiron 7548 users have reported that systems with with Intel 5500 graphics, (other systems may be affected, but as yet none have been reported to Dell.) when either disconnecting or connecting an external display/projector via High Definition Multimedia Interface (HDMI), switching between clone and extended display mode when using HDMI or making resolution adjustments with an HDMI display connected to the system, the system will log out of Windows.
The Elantech Touchpad Driver (ETD) Control Center has been identified as one potential cause of this issue.
 

SLN297113_en_US__1INSP7548HDMI
 


 

Resolution

Workaround: Disable ETD Control Center

Disable the ETDCC application in Windows startup:

  1. Open the Task Manager by holding Cntrl+Shift+Esc
  2. Click the Startup tab
  3. Select ETD Control Center and click Disable
  4. Reboot 
The issue should no longer present itself.

SLN297113_en_US__2ETDControl

Alternately, you can uninstall the ETD application:

  1. Open Programs and Features in Control Panel
  2. Select ETD Wave and click Uninstall
  3. Reboot

Similar applications may have this effect, use the same troubleshooting process to identify and eliminate application conflicts.
 


 

Article Properties


Affected Product

Inspiron 7548

Last Published Date

21 Feb 2021

Version

3

Article Type

Solution

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