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. | 1. | Reseat DIMMs. Power on the system. |
| 2. | Replace DIMMs one at a time to isolate the faulty module. |
| 3. | Replace |
| 4. | Replace the system board. |
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Solving Processor Problems
If you encounter processor problems, common causes and solutions are listed in the following table.
Table 7-13 Solving Processor Problems
Poor performance is experienced.
Cause | Solution | |
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Processor is hot. | 1. | Make sure the airflow to the computer is not blocked. |
| 2. | Make sure the fans are connected and working properly |
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| (some fans only operate when needed). |
| 3. | Make sure the processor heat sink is installed properly. |
| ||
Power LED flashes Red three times, once every second, followed by a two second pause. | ||
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| |
Cause | Solution |
Processor is not seated properly or not installed.
1.Check to see that the processor is present.
2.Reseat the processor.
Power LED flashes Red eleven times, once every second, followed by a two second pause.
Cause | Solution |
The current processor does not support a feature previously enabled on this system.
1.Install a TXT (Trusted Execution Technology) capable processor.
2.Disable TXT in the Computer Setup (F10) utility.
3.Reinstall the original processor.
Solving CD-ROM and DVD Problems
If you encounter
88 Chapter 7 Troubleshooting Without Diagnostics