Troubleshooting
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| Possible | Recommended | |
Activity | Beeps | Cause | Action | |
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Red Power LED | None | Power failure | 1. | Check that the voltage |
blinks once every |
| (power supply |
| selector, located on the |
two seconds. |
| is |
| rear of the power |
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| overloaded). |
| supply, is set to the |
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| appropriate voltage. |
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| Proper voltage setting |
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| depends on your |
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| region. |
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| 2. | Open the hood and |
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| ensure the |
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| power supply cable is |
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| seated into the |
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| connector on the |
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| system board. |
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| 3. Check if a device is | |
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| causing the problem by |
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| removing ALL attached |
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| devices (such as hard, |
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| diskette, or optical |
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| drives, and expansion |
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| cards.) Power on the |
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| system. If the system |
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| enters the POST, then |
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| power off and replace |
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| one device at a time |
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| and repeat this |
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| procedure, until failure |
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| occurs. Replace the |
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| device that is causing |
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| the failure. Continue |
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| adding devices one at |
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| a time to ensure all |
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| devices are functioning |
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| properly. |
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| 4. | Replace the power |
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| supply. |
5. Replace the system board.
www.hp.com | Getting Started Guide |