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System board failure.
Memory modules are
detected, but a memory
configuration or compatibility
error exists.
USB port or a device
connected to it has failed
initialization.
Other failure.
Computer has started and
turned over control to the
operating system.
Beep Codes
If the monitor cannot display errors or problems, during POST the computer might emit a series of beeps, or beep code, that identifies the problem. The POST
beep codes are listed below.
Beep
Codes
Possible Cause
1
A memory refresh failure occurred.
2
Memory parity cannot be reset.
3
A failure occurred in the first 64 KB of memory.
4
The system timer is not operational.
6
8042 Gate A20 cannot be toggled.
7
An exception interrupt error occurred.
8
A read/write error occurred in the display
memory.
10
A CMOS shutdown register test error occurred.
11
An invalid BIOS is installed.
System Messages
one memory module
(if the computer supports a single module), and then restart the computer.
If the computer starts normally, move the memory module to a different connector and restart
the computer. Continue until you have identified a faulty connector or reinstalled all modules
without error.
If the problem persists, see "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining
technical assistance.
See "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining technical assistance.
Be sure that there are no special memory module/memory connector placement requirements.
l
Verify that the memory modules that you are installing are
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If the problem persists, see "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining
technical assistance.
Disconnect the device from the
USB
Owner's Manual for instructions on obtaining technical assistance.
Ensure that the cables are properly connected from the hard drive, CD drive, and DVD drive to
l
the
system
board.
If the problem persists, see "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining
technical assistance.
No action is necessary.
Corrective Action
Reseat the memory
modules.
Reseat the memory
modules.
Reseat the memory
modules.
See "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining technical
assistance.
See "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining technical
assistance.
See "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining technical
assistance.
See "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining technical
assistance.
See "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining technical
assistance.
See "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining technical
assistance.
compatible with the
connector. If the problem persists, see "Contacting Dell" in the Dell
computer.
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