Dell E6440 Battery Status Lights, Storage LED Power LED Wireless LED Fault Description

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Turns on steadily or blinks to indicate battery charge status.

Turns on when wireless networking is enabled.

The device status LEDs are usually located either on the top or left side of the keyboard. They are used to display the storage, battery and wireless devices connectivity and activity. Apart from that they can be useful as a diagnostic tool when there's a possible failure to the system.

The following table lists how to read the LED codes when possible errors occur.

Table 15. LED Lights

Storage LED

Power LED

Wireless LED

Fault Description

 

 

 

 

Blinking

Solid

Solid

A possible processor failure has occurred.

Solid

Blinking

Solid

The memory modules are detected but has encountered an

 

 

 

error.

Blinking

Blinking

Blinking

A system board failure has occurred.

Blinking

Blinking

Solid

A possible graphics card/video failure has occurred.

Blinking

Blinking

Off

System failed on hard drive initialization OR System failed in

 

 

 

Option ROM initialization.

Blinking

Off

Blinking

The USB controller encountered a problem during

 

 

 

initialization.

Solid

Blinking

Blinking

No memory modules are installed/detected.

Blinking

Solid

Blinking

The display encountered a problem during initialization.

Off

Blinking

Blinking

The modem is preventing the system from completing POST

Off

Blinking

Off

Memory failed to initialize or memory is unsupported.

Battery Status Lights

If the computer is connected to an electrical outlet, the battery light operates as follows:

Alternately

An unauthenticated or unsupported non-Dell AC adapter is attached to your laptop.

blinking amber

 

light and white

 

light

 

Alternately

Temporary battery failure with AC adapter present.

blinking amber

 

light with steady

 

white light

 

Constantly

Fatal battery failure with AC adapter present.

blinking amber

 

light

 

Light off

Battery in full charge mode with AC adapter present.

White light on

Battery in charge mode with AC adapter present.

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Contents Regulatory Model P38G Regulatory Type P38G001 Dell Inc. All Rights Reserved Contents System Setup DiagnosticsTechnical Specifications Contacting Dell Page Working on Your Computer Before Working Inside Your ComputerTurning Off Your Computer Click Shut DownAfter Working Inside Your Computer Page Removing and Installing Components System OverviewInstalling the Secure Digital SD Card Removing the Secure Digital SD CardInstalling the Battery Installing the ExpressCardRemoving the Battery Removing the ExpressCardRemoving the Memory Installing the Base CoverRemoving the Base Cover Installing the Memory Removing the Hard DriveInstalling the Hard Drive Removing the Optical DriveInstalling the Optical Drive Removing the Keyboard TrimInstalling the Keyboard Trim Removing the KeyboardPage Installing the Keyboard Removing the Wlan CardInstalling the Wlan Card Removing the Wwan CardRemoving the Base Corner Caps Installing the Wwan CardInstalling the Base Corner Caps Removing the Network Connector Installing the Network ConnectorRemoving the Heatsink Assembly Removing the Coin-Cell BatteryInstalling the Coin-Cell Battery Installing the Heatsink Assembly Removing the Processor Installing the ProcessorRemoving the Power Connector Page Removing the Display-Hinge Cover Installing the Power ConnectorInstalling the Display-Hinge Cover Removing the Palmrest Assembly Installing the Palmrest Assembly Removing the ExpressCard Cage Installing the ExpressCard Cage Removing the WiFi-Switch Board Installing the WiFi-Switch Board Removing the System BoardPage Installing the System Board Installing the Speakers Removing the SpeakersRemoving the I/O Board Installing the I/O Board Removing the Display Assembly Installing the Display Assembly Removing the Display Bezel Installing the Display Bezel Removing the Display Panel Flip the display panel over Installing the Display Panel Installing the Display Hinges Removing the Display HingesInstalling the Camera Removing the CameraKeys Navigation Boot SequenceNavigation Keys System Setup Options Date/Time Advanced Boot OptionsOption Description Option Description Integrated NICUSB PowerShare Enable Smart ReportingUSB Configuration Unobtrusive ModeEnter the old password Security featuresDrive does not have a password set by default Enter the new passwordPassword Change Password ConfigurationPassword Bypass Allow Non-Admin Password Changes Default SettingOption Description Multi Core Support Default Setting Enable Intel SpeedStepExpert key Management Intel SpeedStepAuto On Time Wireless Radio ControlOption Description AC Behavior USB Wake SupportPrimary Battery Charge Advanced Battery ChargeConfiguration Battery Slice ChargeOption Description Wireless Switch Option Description Extend Bios Post TimeEnable Intel Virtualization Technology Default Setting Wireless Device EnableClick Drivers & Downloads Updating the BiosSystem and Setup Password ComputerPress Y to save the changes. The computer reboots Enhanced Pre-Boot System Assessment ePSA Diagnostics Device Status LightsAlternately Battery Status LightsStorage LED Power LED Wireless LED Fault Description Technical Specifications Feature SpecificationFeatures Specification UMAMemory card reader Support upto SD4.0 Battery Environmental Page Contacting Dell