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Detailed steps for removing and installing the computer's hard drive.
Detailed steps for removing and installing the processor heatsink.
Steps for removing and installing the processor and expansion cards.
Detailed steps for removing and installing the power supply unit (PSU).
Detailed steps for removing and installing the system board.
Interpreting power LED light status for troubleshooting computer issues.
Explanations and troubleshooting steps for common system error messages.
List and explanation of system error messages for problem resolution.
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