Precision Workstation M4600 Diagnostic Indicators

Precision Workstation M4600 Diagnostic Indicators


Article Summary: This article provides information on the diagnostic indicators on the Precision Workstation M4600 Computer


Table of Contents:
  1. Diagnostic LEDs
  2. Power State
  3. Battery State
  4. Diagnostic LED Flash Codes


1.

Diagnostic LEDs

There are also five LED indicator lights located on the top left of the keyboard, the diagnostic LEDs are referring to the first three LED indicator lights specify the following:



HDD activity light - Turns white when the laptop reads or writes data
Battery indicator light - Turns on steadily or blinks to indicate battery charge status
Wi-Fi light - Turns on when wireless networking is enabled

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2.

Power State

If the laptop is connected to an electrical outlet, the power/battery light operates as follows:

LED Behavior Description
Solid white color Battery charging with AC adapter
Pulsing white color (slow increase/decrease in illumination) System in Standby, Battery charging with AC adapter
Off System Off, Battery charging with AC adapter (power >90%)

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3.

Battery State

If the laptop is running on a battery, the power/battery light operates as follows:

LED Behavior Description
Alternately blinking amber light and blue light An unauthenticated or unsupported, non-Dell AC adapter is attached to your laptop
Alternately blinking amber light with steady blue light Temporary battery failure with AC adapter present
Constantly blinking amber light Fatal battery failure with AC adapter present
Light off Battery in full charge mode with AC adapter present
Blue light on Battery in charge mode with AC adapter present

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4.

Diagnostic LED Flash Codes

Here's how to read the notebook LED codes when a possible error occurs:

Diagnostic LED Fault Description
HDD/Storage LED
Battery LED
Wireless LED
Blinking Solid Solid The microcontroller is handing control of the system to the processor. This code persists if no processor is detected
Solid Blinking Solid The memory has encountered an error
Blinking Blinking Blinking A system board component is faulty
Blinking Blinking Solid The video card is preventing the system from completing POST
Blinking Blinking Off The keyboard is preventing the system from completing POST
Blinking Off Blinking The USB controller encountered a problem during initialization
Solid Blinking Blinking No SODIMM memory modules are installed
Blinking Solid Blinking The LCD encountered a problem during initialization
Off Blinking Blinking The modem is preventing the system from completing POST

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Article ID: SLN288817

Last Date Modified: 01/22/2014 12:00 AM


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