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LCD power management options were changing when the AC adapter was disconnected from the system.


Article Summary: LCD power management options were changing when the AC adapter was disconnected from the system.


Table of Contents:
  1. LCD power options change when AC adapter disconnected
  2. Issue is a function of Dell Extended Battery Life options



Issue 1:

LCD power options change
when AC adapter disconnected

It was noticed by a system user that when the AC adapter was disconnected from their Dell portable system (in this case XPS 12 systems), the power management setting for turn off the display under On Battery would change to 3 minutes. This would happen regardless of what the setting was selected previously. No other settings would change when the AC adapter was removed from the system.

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Issue 2:

Issue is a function of Dell
Extended Battery Life options

Investigation using several systems isolated the cause to a function of the Dell Extended Battery Life options setup in the systems. One of the default functions of the Dell Extended Battery Life options will automatically set the LCD to turn off after 3 minutes of no use while on battery power. This option was making the observed change and was worked per the design of the application.

If you desire to change this setting, then open Power Options, click entry for Dell Extended Battery Life Options. Change the settings highlighted to stop this behavior.


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Quick Tips content is self-published by the Dell Support Professionals who resolve issues daily. In order to achieve a speedy publication, Quick Tips may represent only partial solutions or work-arounds that are still in development or pending further proof of successfully resolving an issue. As such Quick Tips have not been reviewed, validated or approved by Dell and should be used with appropriate caution. Dell shall not be liable for any loss, including but not limited to loss of data, loss of profit or loss of revenue, which customers may incur by following any procedure or advice set out in the Quick Tips.

Artikel-ID: SLN155233

Datum der letzten Änderung: 06/14/2013 12:00 AM


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