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 |
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 module.
NOTE: DIMM1 or XMM1 must always be installed. DIMM1 must be installed before DIMM2, and DIMM3 must be installed before DIMM4
3. Replace
4. Replace the system board.
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 |
Graphics card (some models) is not seated properly or is bad, or system board is bad.
For systems with a graphics card:
1.Reseat the graphics card. Power on the system.
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 if |
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| 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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Solving Hardware Installation Problems | 173 |
