POST Beep Codes
If the monitor cannot display errors or problems, during power-on self-test (POST) the computer may emit a series of beeps, or beep code, that
identifies the problem.
If the computer emits a beep code and then fails to start, write down the beep code and look it up in Table 2.
Table 2. System Beep Codes
Beep
Code
Possible Cause
1
Memory refresh failure
2
Parity cannot be reset
3
Memory failure within the first 64
KB of memory
4
Timer not operational
5
Processor failure
6
8442 keyboard controller error
Microprocessor has failed a BIOS
test.
Memory failed to be sized or
enabled.
PCI bus failure has occurred.
Video controller failed to initialize or
respond.
IDE bus failure has occurred.
USB port or a device connected to it
has failed initialization.
Other failure.
Computer has started and turned
over control to the operating system.
Corrective Action
Reseat the memory
modules.
Reseat the memory
modules.
Reseat the memory
modules.
See "Contacting Dell" in the Solutions Guide for instructions on
obtaining technical assistance.
See "Contacting Dell" in the Solutions Guide for instructions on
obtaining technical assistance.
See "Contacting Dell" in the Solutions Guide for instructions on
If the problem persists, see
"Contacting Dell" in the Solutions
Guide for instructions on obtaining
technical assistance.
Reseat the
memory
modules. If the
problem persists, remove all but one
memory module, and then restart the
computer. Repeat this step until the
malfunctioning memory module is
identified.
Remove all
cards
and restart the
computer to determine if a resource
conflict exists. If a conflict exists,
resolve the
conflict.
If the problem persists, see
"Contacting Dell" in the Solutions
Guide for instructions on obtaining
technical assistance.
If the problem persists, see
"Contacting Dell" in the Solutions
Guide for instructions on obtaining
technical assistance.
Reseat the IDE cables. If the problem
persists, see "Contacting Dell" in the
Solutions Guide for instructions on
obtaining technical assistance.
Disconnect the device from the
port. If the problem persists, see
"Contacting Dell" in the Solutions
Guide for instructions on obtaining
technical assistance.
See "Contacting Dell" in the
Solutions Guide for instructions on
obtaining technical assistance.
No action is necessary.
USB
Imprimir página