Understanding The Diag Leds - HP x4000 Technical Reference Manual

Troubleshooting

Understanding the Diag LEDs

Understanding the Diag LEDs

The Diag LEDs on the front panel of the Workstation can help you
identify specific problems with your Workstation:
• During system start up, all four LEDs are green.
• If a problem is detected, one or more of the LEDs changes color.
• If no problems are detected during start up, all four turn off.
A list of possible combinations, an explanation of the problem, and
suggested solutions are listed in Table 11-1 on page 213.
The LED patterns are defined by:
• R = Red
• Y = Yellow
• G = Green
•
Unless the LED pattern indicates that the BIOS is in recovery mode
(YR
1. Flash the system BIOS and firmware. For complete instructions and
2. Attempt the solutions given in Table 11-1 on page 213. Possible
NOTE If your LED pattern does not appear in Table 11-1 on page 213, your
problem could still stem from corrupted BIOS or firmware. Always flash
the BIOS and firmware before attempting other solutions.
If you still have a problem after flashing the BIOS and firmware and
following the suggested solutions in Table 11-1 on page 213, contact
customer support.
212
This manual downloaded from http://www.manualowl.com
= Off
), or that BIOS recovery is complete (GR
the latest BIOS and firmware versions, go to
www.hp.com/workstations/support
solutions are listed in order of ease and probability. Follow the
solutions in sequence in sequence.
), you should:
.
Chapter 11