Compaq D51s Troubleshooting Guide - Page 43

Solving Processor Problems, If you encounter processor problems, a common cause and solution

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Troubleshooting Without Diagnostics Solving Processor Problems If you encounter processor problems, a common cause and solution are listed in the following table. Solving Processor Problems Problem Poor performance is experienced. Computer does not recognize the second processor just installed. Cause Processor is hot. The Hardware Abstraction Layer (HAL) installed is a single-processor HAL. Solution 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 heatsink is installed properly. Install a multi-processor HAL. See the instructions provided in the processor upgrade option kit. Troubleshooting Guide 2-29

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Troubleshooting Guide
2–29
Troubleshooting Without Diagnostics
Solving Processor Problems
If you encounter processor problems, a common cause and solution
are listed in the following table.
Solving Processor Problems
Problem
Cause
Solution
Poor performance is
experienced.
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
heatsink is installed properly.
Computer does not
recognize the second
processor just installed.
The Hardware
Abstraction Layer
(HAL) installed is a
single-processor HAL.
Install a multi-processor HAL. See
the instructions provided in the
processor upgrade option kit.