Dell Dimension 2100 User Manual
Page 3

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
Microprocessor has failed a BIOS
test.
If the problem persists, see
"Contacting Dell" in the Solutions
Guide for instructions on obtaining
technical assistance.
Memory failed to be sized or
enabled.
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.
PCI bus failure has occurred.
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.
Video controller failed to initialize or
respond.
If the problem persists, see
"Contacting Dell" in the Solutions
Guide for instructions on obtaining
technical assistance.
IDE bus failure has occurred.
Reseat the IDE cables. If the problem
persists, see "Contacting Dell" in the
Solutions Guide for instructions on
obtaining technical assistance.
USB port or a device connected to it
has failed initialization.
Disconnect the device from the
USB
port
. If the problem persists, see
"Contacting Dell" in the Solutions
Guide for instructions on obtaining
technical assistance.
Other failure.
S
ee "Contacting Dell" in the
Solutions Guide for instructions on
obtaining technical assistance.
Computer has started and turned
over control to the operating system.
No action is necessary.
Beep
Code
Possible Cause
Corrective Action
1
Memory refresh failure
Reseat the memory modules
.
2
Parity cannot be reset
Reseat the memory modules
.
3
Memory failure within the first 64
KB of memory
Reseat the memory modules
.
4
Timer not operational
See "Contacting Dell" in the Solutions Guide for instructions on
obtaining technical assistance.
5
Processor failure
See "Contacting Dell" in the Solutions Guide for instructions on
obtaining technical assistance.
6
8442 keyboard controller error
See "Contacting Dell" in the Solutions Guide for instructions on