(The first chapter is about the physical structure and principle of hard disk
Chapter 2 basic parameters of hard disk
The third chapter introduces the logical structure of hard disk
Chapter 4 physical installation of hard disk
Chapter 5 system startup process
Chapter 6 brand of hard disk
Chapter 7 test and maintenance skills of hard disk circuit board
Chapter 8 common maintenance software
Chapter 9 professional maintenance software pc3000
Chapter 10 data recovery
Chapter 11 typical faults and maintenance process)
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