Led codes – HP 500B User Manual
Page 74
Table B-1
Diagnostic Beep Codes (continued)
Beeps
Diagnosis
Recommended action
3 short beeps, 3
second pause
Flashing not ready (missing utility or
BIOS image file, etc.)
Upgrade the BIOS to proper version.
4 short beeps, 3
second pause
Flashing operation has failed
(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
second pause
BIOS recovery was successful
No action required.
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