Getting Started
Diagnostic Front Panel LEDs and Audible Codes
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| Possible | Recommended | |
Activity | Beeps | Cause | Action | |
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Red Power LED | 4 | Power failure | 1. | Open the hood and |
flashes four |
| (power supply is |
| ensure the |
times, once every |
| overloaded). |
| power supply cable |
second, followed |
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| is seated into the |
by a |
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| connector on the |
pause. The beeps |
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| system board. |
continue for five |
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| 2. | Check if a device is |
iterations, then |
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| ||
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|
| causing the problem | |
stop. The LED |
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| |
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| by removing ALL | |
flashes continue |
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| |
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| attached devices | |
until the problem |
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| |
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| (such as hard, | |
is resolved. |
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| |
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| diskette, or optical | |
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| drives, and |
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| expansion cards). |
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| Power on the system. |
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| If the system enters |
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| the POST, then power |
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| off and replace one |
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| device at a time and |
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| repeat this procedure |
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| until failure occurs. |
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| Replace the device |
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| that is causing the |
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| failure. Continue |
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| adding devices one |
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| at a time to ensure all |
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| devices are |
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| functioning properly. |
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| 3. Replace the power | |
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| supply. |
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| 4. | Replace the system |
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| board. |
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28 | Getting Started |