Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.)
Cause | Solution | |
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Memory is installed incorrectly or is bad. | CAUTION: To avoid damage to the DIMMs or the system | |
| board, you must unplug the computer power cord before | |
| attempting to reseat, install, or remove a DIMM module. | |
| 1. | Reseat DIMMs. Power on the system. |
| 2. | Replace DIMMs one at a time to isolate the faulty |
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| module. |
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| NOTE: DIMM1 or XMM1 must always be installed. |
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| DIMM1 must be installed before DIMM2, and DIMM3 |
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| must be installed before DIMM4 |
| 3. | Replace |
| 4. | Replace the system board. |
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Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.)
Cause | Solution | |
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Graphics card is not seated properly or is bad, or system | For systems with a graphics card: | |
board is bad. | 1. | Reseat the graphics card. Power on the system. |
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| 2. | Replace the graphics card. |
| 3. | Replace the system board. |
For systems with integrated graphics, replace the system board.
Power LED flashes Red ten times, once every second, followed by a two second pause, and the computer beeps ten times. (Beeps stop after fifth iteration but LEDs continue flashing.)
Cause | Solution | |
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Bad option card. | 1. | Check each option card by removing the cards one at |
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| time (if multiple cards), then power on the system to see |
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| if fault goes away. |
| 2. | Once bad card is identified, remove and replace bad |
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| option card. |
| 3. | Replace the system board. |
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