HP Dx5150 Troubleshooting Guide - Page 55

Solving Processor Problems, If you encounter processor problems, common causes and solutions

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Troubleshooting Without Diagnostics Solving Processor Problems If you encounter processor problems, common causes and solutions are listed in the following table. Solving Processor Problems Problem Cause Poor performance is experienced. Processor is hot. Power LED flashes Red three times, once every second, followed by a two-second pause. The Power LED will continue flashing until the problem is resolved. Processor is not seated properly or not installed. Solution 1. Make sure the airflow to the computer is not blocked. Leave a 4-inch (10.2-cm) clearance at the back of the system unit and above the monitor to permit the required airflow. 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. 1. Check to see that the processor is present. 2. Reseat the processor. Troubleshooting Guide www.hp.com 2-39

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Troubleshooting Guide
www.hp.com
2–39
Troubleshooting Without Diagnostics
Solving Processor Problems
If you encounter processor problems, common causes and solutions
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. Leave
a 4-inch (10.2-cm) clearance at
the back of the system unit and
above the monitor to permit the
required airflow.
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.
Power LED flashes Red
three times, once every
second, followed by a
two-second pause. The
Power LED will continue
flashing until the problem is
resolved.
Processor is not seated
properly or not
installed.
1. Check to see that the processor
is present.
2. Reseat the processor.