HP Dx5150 HP Business Desktop dx5150 Series Service Reference Guide, 1st Editi - Page 169
Solving Processor Problems
UPC - 882780485433
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Solving Processor Problems Troubleshooting Without Diagnostics 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. (This is not an indicator of a bad processor) Solution 1. Make sure the airflow to the computer is not blocked. Leave a 10.2-cm (4-inch) 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. Service Reference Guide, dx5150 361685-001 D-23