Troubleshooting

General Information 147 PCI Express Cards 149 Internal Cabling Matrix 149 Thermal Calibration 151

Resetting the Logic Board 152

Power-On Self Test: RAM and Processor Verification 153

Diagnostic LEDs 154

Power Supply Verification 159

Mac Pro Firmware Updates 159

Processor Heatsink and Processor Visual Inspection Instructions 161

Symptom Charts 164

How to Use the Symptom Charts 164 Startup Failures 164 Fans 167

AirPort Extreme Card 168 Bluetooth Card 169 Other Failures 169

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The Ultimate Computer Repair Guide

The Ultimate Computer Repair Guide

Read how to maintain and repair any desktop and laptop computer. This Ebook has articles with photos and videos that show detailed step by step pc repair and maintenance procedures. There are many links to online videos that explain how you can build, maintain, speed up, clean, and repair your computer yourself. Put the money that you were going to pay the PC Tech in your own pocket.

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