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Precision 3640 Tower Setup and Specifications

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Clearing CMOS settings/RTC reset

About this task

CAUTION:Clearing CMOS settings will reset the BIOS settings on your computer as well as reset the Real-Time Clock on your BIOS.

Steps

  1. Press and hold the power button for 30 seconds.
  2. Release the power button and allow the system to boot.

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