Interpreting the Diagnostic Lights
The Compaq Deskpro Family of Personal Computers features diagnostic lights or LEDs (light emitting diodes) to indicate various computer states or errors. The following tables describe the diagnostic light indications. Refer to the Troubleshooting Guide for more information.
Normal Operating Conditions | Power Light | Hard Drive Activity Light |
Power off | Off | Off |
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Power on | Solid green | Blinking green during hard |
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| drive activity |
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Suspend | Blinking green with 1 blink | Off |
| every second |
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Suspend to disk | Blinking green with 1 blink | Off |
| every 2 seconds |
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Error Conditions | Power Light | Hard Drive Activity Light |
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Thermal shutdown | Blinking red with 4 blinks | Off |
| every second |
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Processor not installed correctly | Solid red | Off |
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ROM error | Blinking red with 1 blink | Off |
| every second |
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Power supply overload | Blinking red with 1 blink | Off |
| every 2 or more seconds |
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Expansion card cage not installed | Solid red | Solid red |
correctly (select models) |
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