Computer Fault Repair and Judgment Guide Complete Computer Fault Repair and Judgment Guide Complete Computer Fault Repair and Judgment Guide Complete (Lenovo Internal Document) Computer Fault Repair and Judgment Guide Complete (Lenovo Internal Document) Preface: The copyright of all edited articles in this \"Computer Fault Repair and Judgment Guide Complete\" belongs to the original author and this website. All commercial media should contact this website if they want to quote the content of this tutorial! When online non-profit media quote this tutorial, please indicate the author and source! This tutorial is purely for learning and research purposes. This website does not assume any responsibility for any consequences caused by your use of the technology in this tutorial! *********** This e-book is collected and edited by \"XXX\" online, and special thanks to the original author for his good article. *********** Part I General Provisions Chapter 1 Basic Principles and Methods of Computer Maintenance Chapter 2 Computer Maintenance Steps and Maintenance Operation Precautions Part II Common Fault Judgment Chapter 1 Power-on Faults Chapter 2 Startup and Shutdown Faults Chapter 3 Disk Faults Chapter 4 Display Faults Chapter 5 Installation Faults Chapter 6 Operation and Application Faults Chapter 7 LAN Faults Chapter 8 Internet Faults Chapter 9 Port and Peripheral Faults Chapter 10 Audio and Video Faults Chapter 11 Compatibility Faults Part III Appendix Hard Drive Basic Knowledge Several Methods to Save Hard Drives Hard Drive Logic Lock Solution WINDOWS Blue Crash Screen Interpretation Win2k Registry Ultimate Modification Download Movie Repair Synthesis Full Summary [EMAIL=\"IE5.X@6.0\"] IE5.X@6.0 [/EMAIL] Option Control Encyclopedia Practical Port Encyclopedia (Chinese Version) Part I --- General Provisions Chapter 1 Basic Principles and Methods of Computer Maintenance The principles and methods described here are the basis for the classification judgment in Part II and need to be strictly followed and implemented. §1.1 Basic principles to be followed in computer maintenance: 1. Maintenance judgment must start with the simplest things. Simple things refer to observation on the one hand and a simple environment on the other. The simple thing is to observe, which includes: 1. The environment around the computer - location, power supply, connection, other equipment, temperature and humidity, etc.; 2. The phenomena and displayed content of the computer, and their similarities and differences with normal conditions; 3. The environment inside the computer - dust, connection, color of components, shape of components, status of indicator lights, etc.; 4. The computer...
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