POST Error Messages
Diagnostic Front Panel LEDs and Audible Codes (Continued)
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Activity | Beeps | Cause | Recommended Action | |
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Red Power LED | None | Power failure | 1. | Open the hood and ensure the |
flashes four times, |
| (power supply |
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once every second, |
| is |
| seated into the connector on the |
followed by a |
| overloaded). |
| system board. |
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| 2. | Check if a device is causing the | |
The Power LED will |
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| problem by removing ALL attached | |
continue flashing |
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| devices (such as hard, diskette, or | |
until the problem is |
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| optical drives, and expansion | |
resolved. |
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| cards). Power on the system. If the | |
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| system enters the POST, then power |
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| off and replace one device at a |
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| time and repeat this procedure until |
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| failure occurs. Replace the device |
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| that is causing the failure. Continue |
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| adding devices one at a time to |
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| ensure all devices are functioning |
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| properly. |
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| 3. Replace the power supply. | |
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| 4. | Replace the system board. |
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Red Power LED | 5 | 1. | Reseat DIMMs. Power on the | |
flashes five times, |
| memory error. |
| system. |
once every second, |
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| 2. | Replace DIMMs one at a time to |
followed by a |
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| isolate the faulty module. | |
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| 3. Replace | ||
The Power LED will |
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| HP memory. | |
continue flashing |
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| 4. | Replace the system board. | |
until the problem is |
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resolved. |
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Troubleshooting Guide |