Dell Precision M4600 Owner's Manual (M4600) - Page 139
Error Description, Diagnostic LED - video card
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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. 139
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