Beep/Symptom FRU/Action3-3-3 (No operational memory insystem) 1. Install or reseat the memory modules, then do a 3 boot reset. (See“Using the Configuration/Setup Utility program” on page 27)2. DIMMs3. System BoardTwo Short Beeps (Information only,the configuration has changed) 1. Run Diagnostics2. Run Configuration/SetupThree Short Beeps 1. DIMM2. System BoardOne Continuous Beep 1. Processor2. Optional Processor (if installed)3. System BoardRepeating Short Beeps 1. Keyboard2. System BoardOne Long and One Short Beep 1. Video adapter (if present)2. System BoardOne Long and Two Short Beeps 1. Video adapter (if present)2. System BoardTwo Long and Two Short Beeps 1. Video adapterNo Beep symptomsNo Beep Symptom FRU/ActionNo beep after completing POSTand the system operatescorrectly.1. System BoardNo beep and no video (SystemAttention LED is OFF) 1. See “Undetermined problems” on page 134No beep and no video (SystemAttention LED is ON) 1. See “Information panel system error LED”Information panel system error LEDThe system error LED is turned on when an error is detected. Push the buttonbeside the LED display on the system board to illuminate the LEDs. If the systemerror LED is on, remove the cover and check the diagnostic panel LEDs. Thefollowing is a complete list of diagnostic panel LEDs followed by the FRU/Actionfor correcting the problem. The following chart is valid only when the system errorLED is on.Note: If a diagnostic panel LED is on and the information LED panel system errorLED is off, there is probably an LED problem. Run LED diagnostics.Notes:1. To locate the LEDs on the system board see “System board LEDs” on page 45.2. Check the System Error Log for additional information before replacing a FRU.Symptom-to-FRU index 121