Activity | Possible Cause | Recommended Action | |
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Green Power LED flashes six | For systems with a graphics card: | ||
times, once every second, followed |
| 1. | Reseat the graphics card. |
by a two second pause. |
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| 2. | Replace the graphics card. |
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| 3. | Replace the system board. |
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| For systems with integrated graphics, replace the system | |
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| board. | |
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Green Power LED flashes eight | Invalid ROM based on bad | 1. | Reflash the system ROM with the latest BIOS |
times, once every second, followed | checksum. |
| image. |
by a two second pause. |
| 2. | Replace the system board. |
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System does not power on and | System unable to power on. | Press and hold the power button for less than 4 seconds. | |
LEDs are not flashing. |
| If the hard drive LED turns green, the power button is | |
|
| working correctly. Try the following: | |
|
| 1. | Check that the voltage selector (some models), |
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|
| located on the rear of the power supply, is set to the |
|
|
| appropriate voltage. Proper voltage setting |
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|
| depends on your region. |
|
| 2. | Replace the system board. |
|
| OR |
|
|
| Press and hold the power button for less than 4 seconds. | |
|
| If the hard drive LED does not turn on green then: | |
|
| 1. | Check that the unit is plugged into a working AC |
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| outlet. |
|
| 2. | Open hood and check that the power button |
|
|
| harness is properly connected to the system board. |
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| 3. | Check that both power supply cables are properly |
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| connected to the system board. |
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| 4. | Check to see if the 5V_aux light on the system |
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| board is turned on. If it is turned on, then replace |
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| the power button harness. If the problem persists, |
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| replace the system board. |
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| 5. | If the 5V_aux light on the system board is not turned |
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| on, remove the expansion cards one at a time until |
the 5V_aux light on the system board turns on. It the problem persists, replace the power supply.
ENWW | Interpreting Diagnostic Lights 15 |
