HP D8C84UT#ABA User Manual download pdf (Page 136)

Solving Processor Problems

If you encounter processor problems, common causes and solutions are listed in the following table.

Table C-13 Solving Processor Problems

Poor performance is experienced.

Cause Solution

Processor is hot. 1. Make sure the airflow to the computer is not blocked.

2. Make sure the fans are connected and working properly

(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.

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 capable processor.

2. Disable TXT in the Computer Setup (F10) utility.

3. Reinstall the original processor.

128 Appendix C Troubleshooting Without Diagnostics

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HP D8C84UT#ABA User Manual Page 136