Table B-1Diagnostic Beep Codes (continued)

Beeps

Diagnosis

Recommended action

 

 

 

3 short beeps, 3

Flashing not ready (missing utility or

Upgrade the BIOS to proper version.

second pause

BIOS image file, etc.)

 

4 short beeps, 3 Flashing operation has failed

second pause (checksum error, corrupted image, etc.)

1.Verify the correct ROM.

2.Flash the ROM if needed.

3.If an expansion board was recently added, remove it to see if the problem remains.

4.Clear CMOS.

5.If the message disappears, there may be a problem with the expansion card.

6.Replace the system board.

5 short beeps, 3 BIOS recovery was successful

No action required.

second pause

 

 

 

LED Codes

The following table describes the LED states for the PCs.

LED

State

LED Status

 

 

 

Power LED Indicator

System on (normal operation)

Steady green

 

 

 

 

Suspend to RAM

Blinks green every 2 seconds

 

 

 

 

Computer off

LED not on

 

 

 

Drive LED Indicator

Normal hard drive activity

Green drive LED is flashing

 

 

 

66 Appendix B Diagnostics