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Diagnostic steps
If the server does not power up or powers up but does not complete POST, answer the questions in Table 27 to determine appropriate actions based on the symptoms observed. The flow of questions reflects the usual flow of events during a
According to the answers you give, you will be directed to an appropriate secondary table in this section. The table outlines possible reasons for the problem, options available to assist in diagnosis, possible solutions, and references to other sources of information.
Table 27 Diagnostic steps
Question | Action |
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Question 1: | If no, continue to question 2. |
Is the system power LED off? | If yes, see Table 28. |
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Question 2: | If yes, continue to question 3. |
Is the system power LED green? | If no, see Table 29. |
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Question 3: | If yes, continue to question 4. |
Is the external health LED green? | If no, see Table 30. |
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Question 4: | If yes, continue to question 5. |
Is the internal health LED green? | If no, see Table 31. |
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Question 5: | If yes, use the POST messages for further diagnosis. See Table |
Is the monitor displaying information? | 32 for details. |
| If no, see Table 32. |
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Table 28 | Is the system power LED off? |
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Answer |
| Possible reasons | Possible solutions |
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Yes |
| The system is not connected to AC | Be sure that the power cord is connected |
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| power, or no AC power is available. | to the power supply. |
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| A power supply problem exists. The | Be sure that the power supply is |
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| power supply might not be connected or | undamaged and fully seated, and then |
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| inserted properly, it might have a | verify that the power supply LED is green |
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| damaged connector, or it might have | when you power up the server. See |
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| failed. | Chapter 4, “Server component |
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| identification,” for locations and states. |
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| A broken connection exists between the | Be sure that the power switch cable |
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| front panel LED assembly and the | assembly is inserted properly to the |
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| removable media board. | removable media board. |
The front panel LED assembly has failed. See the HP Servers Troubleshooting Guide for further options. If these solutions do not solve the problem, contact an authorized service provider for assistance.
No | — | If the system power button LED is amber, |
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| press the Power on/Standby button. |
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| See Table 29. |
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NOTE: | For LED locations and functions, see Chapter 4, “Server component identification.” | |
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Table 29 Is the system power LED green?
Answer | Possible reasons | Possible solutions |
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No, it is off | Power on/Standby button has not been | Firmly press the power button. |
| pressed firmly. |
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Troubleshooting 75