Dell Dimension 2350 - Beep Codes; System Messages

Beep Codes
If the monitor cannot display errors or problems during POST, the computer might emit a series of beeps (a beep code) that identifies the problem.
Reseating the memory modules may fix the POST beep code errors listed below. If the problem persists, see "Contacting Dell" in your Owner's Manual for
instructions on obtaining technical assistance.
If you hear one of the following POST beep codes, see "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance.
System Messages
Initialization of a third-party
PCI card failed.
Reseat all cards, and then restart the computer.
1. The processor cache
failed.
2. The real-time clock
failed.
1.  Remove and replace the microprocessor.
2. If the problem persists, see "Contacting Dell" in your Owner's Manual for instructions on
obtaining technical assistance.
A USB port or a device
connected to it has failed
initialization.
Disconnect the device from the USB connector. If the problem persists, see "Contacting Dell" in your
Owner's Manual for instructions on obtaining technical assistance.
Another type of failure has
occurred.
Check the computer message that appears on your monitor screen.
The computer has started and
is now controlled by the
operating system.
No action is necessary.
Code
Cause
1 long beep;
1 short beep
Memory is not installed or is not detected.
1 long beep;
2 short beeps
Memory is detected, but a memory failure has occurred.
1 long beep;
3 short beeps
Memory is detected, but is incompatible with the computer.
Code
Cause
2 long beeps;
1 short beep
CMOS checksum error
2 long beeps;
2 short beeps
Video subsystem failure
2 long beeps;
3 short beeps
IDE subsystem failure
3 long beeps;
1 short beep
USB over-current condition detected
Message
Possible Cause
Corrective Action
CMOS Checksum Error
A defective device or power surge can cause
checksum errors.
See "Contacting Dell" in your Owner's Manual for instructions on obtaining
technical assistance.
CPU fan not detected
The microprocessor fan cable is not plugged in or is
defective.
Ensure that the microprocessor fan is connected to the fan connector on the
system board.
Floppy Not Detected
The floppy drive cable may be disconnected or
damaged.
Ensure that the cable properly connects the floppy drive to the system board.
Keyboard not detected
The keyboard is not detected.
Ensure that the keyboard is connected correctly and is not damaged.
Memory Size has
changed
A memory size change occurred.
Reseat the memory modules.
Memory Test failed
The memory does not pass the memory test.
Reseat the memory modules.
No Boot Device
Detected
The BIOS does not detect a bootable device.
Verify the boot sequence in the system setup program.
S.M.A.R.T Advisory
Error
A S.M.A.R.T.-capable device may be defective.
See "Contacting Dell" in your Owner's Manual for instructions on obtaining
technical assistance.