Post Error Messages
Diagnostic Keyboard LEDS, Front Panel LEDs and Audible Codes
Activity | Beeps | Probable Cause | Recommended Action | |
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Red or Yellow | None | Power supply | 1. Push in power button. | |
Power LED |
| overloaded. |
| LED should be green. |
flashes every |
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| 2. | Remove all AC power |
2 seconds (on |
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| from computer, wait | |
select models.) |
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| 30 seconds, then apply | |
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| power. |
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| 3. | Remove load from power |
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| supply by removing |
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| options one at a time |
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| until computer runs. |
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| 4. | Check for damage to |
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| system board. |
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| 5. | Replace system board. |
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| 6. | Replace power supply. |
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Flashing Power | None | Unseated riser board. | 1. Remove riser board. | |
and Hard Drive |
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| 2. | Wipe connector. |
Green LEDs. |
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| 3. | Reinstall riser board (see | |
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the Hardware Reference Guide for directions on removing the riser board).
Troubleshooting Guide |
