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Beep Codes and Error Messages 3-1
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This chapter describes beep codes and system error messages that can occur
during system start-up or, in the case of some failures, during normal com-
puter operation. The tables in this chapter list faults that can cause a beep
code or system 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 mes-
sages 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 Diagnostics” found later in this chapter.
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If the display cannot display error messages during POST, the computer may
emit a series of beeps that identifies the problem or that can help you identify
a faulty component or assembly. For example, one beep, a burst of three short
beeps, and two more single beeps (beep code 1-3-1-1) means that the system
has encountered a DRAM refresh error condition, probably caused by a faulty
system board.
Table 3-1 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.