Portable Power on Self Test (POST) Diagnostic LED Codes
Failure of a Dell portable computer built in the year 2006 or later to complete the POST (Power-on Self Test) process will
result in an LED code
sequence that utilizes the Num Lock, Cap Lock, and Scroll Lock. The LED codes represent specific
points during the POST process of the system.
Dell Portable POST LED Codes
The table below details what each code represents during the POST process.
|| 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.
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