Table
Activity | Beeps | Possible Cause | Recommended Action | |
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Red Power LED flashes ten | 10 | Bad option card. | 1. | Check each option card by removing the |
times, once every second, |
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| card (one at a time if multiple cards), then |
followed by a two second |
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| power on the system to see if fault goes |
pause. Beeps stop after fifth |
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| away. |
iteration but LEDs continue |
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| 2. | Once a bad card is identified, remove and |
until problem is solved. |
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| ||
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| replace the bad option card. |
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| 3. | Replace the system board. |
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|
Red Power LED flashes | 11 | The current processor | 1. | Install a TXT capable processor. |
eleven times, once every |
| does not support a | 2. | Disable TXT in the Computer Setup (F10) |
second, followed by a two |
| feature previously | ||
second pause. Beeps stop |
| enabled on this system. |
| utility. |
after fifth iteration but LEDs |
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| 3. | Reinstall the original processor. |
continue until problem is |
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| ||
solved. |
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| |
System does not power on | None | System unable to power | Press and hold the power button for less than 4 | |
and LEDs are not flashing. |
| on. | seconds. If the hard drive LED turns green, the | |
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| power button is working correctly. Try the | |
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| following: | |
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| 1. | Check that the voltage selector (some |
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| models), located on the rear of the power |
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|
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| supply, is set to the appropriate voltage. |
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| Proper voltage setting depends on your |
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| region. |
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| 2. | Replace the system board. |
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| OR |
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| Press and hold the power button for less than 4 | |
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| seconds. If the hard drive LED does not turn on | |
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| green then: | |
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| 1. | Check that the unit is plugged into a |
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| working AC outlet. |
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| 2. | Open hood and check that the power button |
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| harness is properly connected to the |
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| system board. |
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| 3. | Check that both power supply cables are |
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| properly connected to the system board. |
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| 4. | Check to see if the 5V_aux light on the |
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| system board is turned on. If it is turned on, |
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| then replace the power button harness. If |
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| the problem persists, replace the system |
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| board. |
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| 5. | If the 5V_aux light on the system board is |
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| not turned on, remove the expansion cards |
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| one at a time until the 5V_aux light on the |
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| system board turns on. It the problem |
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| persists, replace the power supply. |
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304 Chapter 11 POST Error Messages