The Table 1 below, details what each Code represents during the POST process.

	Note:
	The following table is intended for informational purposes only, and should not be used to dispatch parts or service.

	Note:
	The Action That May Be Necessary column should only used as a guide for your actions and may not represent complete troubleshooting or root cause of the problem. For more thorough POST troubleshooting refer to DSN Decision tree: No POST, No Power, No Video [Dell™ Dimension™, Inspiron™, Latitude™, OptiPlex™, Precision™ Workstation].

Flash Code	Description	Action That May Be Necessary
	The Microcontroller is handing control of the system to the processor. This code will persist if there is no processor detected.	1. Reseating the processor. 2. Replacing the system board. 3. Replacing the processor.
	The memory has encountered an error.	1. Reseating the memory. 3. Replacing the memory. 2. Replacing the system board.
	A system board component is faulty.	Replacing the system board.
	The video card is preventing the system from completing POST.	1. Replacing the video card. 2. Replacing the system board.
	The keyboard is preventing the system from completing POST.	1. Reseating the keyboard cable. 2. Replacing the keyboard. 3. Replacing the system board.
	USB controller initialization.	1. Removing any USB devices. 2. Replacing the system board.
	No SODIMM installed.	1. Installing the memory. 2. Reseating the memory. 3. Replacing the memory. 4. Replacing the system board.
	Turning on the LCD panel (after video configuration).	1. Reseating the LCD cable. 2. Replacing the LCD panel. 3. Replacing the video card.
	The modem is preventing the system from completing POST.	1. Reseating the modem. 2. Replacing the modem. 3. Replacing the system board.

Table 1 - POST LED codes