Beep Codes And Error Messages; Post Beep Codes - Dell Latitude LM Service Manual

Chapter 3

Beep Codes and Error Messages

T
his chapter describes beep codes and system error messages that can occur
during system start-up or, in the case of some failures, during normal computer
operation. The tables in this chapter list faults that can cause a beep code or sys-
tem error message to occur and the probable causes of the fault in each case.
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.
P
OST 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 3-1