HP Compaq dc5750 MT Troubleshooting Guide

Solving Processor Problems
If you encounter processor problems, common causes and solutions are listed in the following table.
Table 2-14 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 heatsink 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.
38 Chapter 2 Troubleshooting Without Diagnostics ENWW

HP Compaq dc5750 MT Specifications

General

Chipset	ATI Radeon Xpress 1150
Memory	Up to 4 GB DDR2 SDRAM
Network	Integrated Broadcom NetXtreme Gigabit Ethernet
Audio	Integrated High Definition audio
Power Supply	300W
Processor	AMD Athlon 64 X2, AMD Athlon 64, AMD Sempron
Graphics	Integrated ATI Radeon Xpress 1150 or optional discrete graphics
Optical Drive	DVD-ROM, DVD+/-RW
Expansion Slots	1 PCI Express x16
Ports	1 serial, 1 parallel, 2 PS/2, 1 VGA, 1 audio in, 1 audio out
Operating System	Windows XP Professional
Dimensions	16.5 inches
Storage	SATA Hard Drive