Last modified on 18 March 2018, at 13:13

LED behavior description

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  LED-R (RAM)
  This LED turns Green, the moment the memory initialization is successful. 
  This LED is Yellow while the memory initialization is in progress.
  If the memory initialization has failed, for example: There is no DIMM installed / the DIMM is not supported - the R LED will stay Yellow.
  The R-LED should stay Green at normal operation, also after BIOS POST is over.

  LED-B (BIOS)
  This LED is Yellow after display initialization.
  If BIOS setup menu is needed, the DEL button is functional from the moment the B-LED is Yellow.
  The B-LED is Green when the OS takes charge of the system.
 

  LED-H (HDMI display)
  This LED is Green only when the HDMI port of the internal graphics is connected to a monitor.

  LED-D (Display-Port display)
  This LED is Green only when one or both of the Display Ports of the internal graphics are connected to a monitor.