Chapter 3
Beep Codes and Error Messages
This chapter describes beep codes and system error messages that can occur during system
If a faulty computer does not emit beep codes or display system error messages to indicate a failure, you should load the diagnostics and run the appropriate tests to help isolate the source of the problem. See “Running the Dell Diagnos- tics” found later in this chapter.
POST Beep Codes
If the display cannot display error messages during POST, the computer may emit a series of beeps that identify the problem or that can help you identify a faulty component or assembly. The following table lists the beep codes that may be generated during POST. Most beep codes indicate a fatal error that requires replacement of the main board or other corrective actions before the computer can operate.
Beep Codes and Error Messages |
