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Read all caution and danger statements before performing instructions.
Rules for safe maintenance and handling of equipment.
Precautions for working with electrical components and avoiding shocks.
Procedures for handling sensitive electronic components to prevent ESD damage.
Program for computer maintenance, security, and problem diagnosis.
Program for viewing symptoms, solutions, and updating drivers.
Diagnostic program for when the Windows OS cannot start.
DOS diagnostic program that runs independently of the Windows OS.
Lists possible causes and FRU actions for hard disk drive boot errors.
Procedures to follow when suspecting power supply issues.
Reference to diagnostic error codes and their FRU/Action.
Describes beep symptoms during POST and their corresponding FRU/Action.
Lists POST error codes, messages, and their description/action.
Lists various error messages and their FRU/Action.
Step-by-step instructions on how to remove the computer cover safely.
Procedure for replacing the heat sink and fan assembly.
Steps to replace the primary hard disk drive.
Instructions for installing or replacing memory modules.
Instructions on how to replace the power supply assembly.
Procedure for replacing the heat sink.
Step-by-step instructions for replacing the microprocessor.
Detailed steps for replacing the system board.
Steps to replace the hard disk drive.
Procedure for Boot-block Recovery if the computer does not restart after an update.
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