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Dell Precision M4600 (Early 2011) User Manual

Page 139

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Diagnostic LED

Error Description

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 SODIMMs 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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