Diagnostic LED
Solid
Blinking
Solid
Blinking
Blinking
Blinking
Blinking
Blinking
Blinking
Blinking
Blinking
Off
Solid
Blinking
Blinking
Solid
Off
Blinking
Solid
The microcontroller is handing control of the
system to the processor. This code persists if no
processor is detected.
Solid
The memory has encountered an error.
Blinking
A system board component is faulty.
Solid
The video card is preventing the system from
completing POST.
Off
The keyboard is preventing the system from
completing POST.
Blinking
The USB controller encountered a problem during
initialization.
Blinking
No SODIMMs are installed.
Blinking
The LCD encountered a problem during
initialization.
Blinking
The modem is preventing the system from
completing POST.
Error Description
139