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Read all caution and danger statements before performing instructions.
Follow rules for safe operation, including lifting, clothing, and tool handling.
Caution: Electrical current can be hazardous. Disconnect power before servicing.
Checklist to identify potentially unsafe conditions and hazards before servicing.
Protect sensitive parts from ESD damage by equalizing charges and using protective measures.
Ensures operator safety and correct system function. Verify outlet grounding.
Provides caution and danger notices for hazardous conditions like storms or damage.
Lists physical specifications including environment, air temperature, humidity, and electrical input.
Steps to start the BIOS Setup Utility by pressing F1 during boot.
Access system configuration options via the BIOS Setup Utility program menu.
Set Administrator and Power-On passwords to prevent unauthorized access.
Set, change, or delete Administrator passwords to control configuration settings access.
Set, change, or delete Power-On passwords to control system startup access.
Enable or disable devices like USB, ATA drive setup, audio, and Ethernet controllers.
Select temporary startup devices or change the permanent startup sequence.
Save or discard changes and exit the BIOS Setup Utility program.
Troubleshoot boot errors related to startup drive configuration or corruption.
Check and verify power supply issues and related components.
Interprets Power-On Self-Test (POST) error messages for system diagnostics.
Isolate problems by systematically removing components.
Identifies controls and components located on the front of the computer.
Illustrates connectors and components on the left and right sides of the computer.
Shows the location of connectors and components on the rear of the computer.
Illustration showing the various components that make up the computer.
Illustrates and lists connectors and components on the front of the B550 motherboard.
Illustrates and lists connectors and components on the front of the B555 motherboard.
Turn off power, unplug cables, and place system on a stable surface before disassembly.
Steps to remove and replace the keyboard and mouse.
Steps to locate, disconnect, and replace the power cord and adapter.
Procedure to safely remove the computer cover for access to internal components.
Procedure to remove and install memory modules, including handling precautions.
Steps to remove and replace the hard disk drive.
Procedure to remove and replace the optical drive.
Steps to remove the middle cover to access internal components.
Procedure to remove and install the converter board.
Steps to remove the EMI cover for access to other components.
Procedure to remove and install the speaker system.
Steps to remove and install the Wi-Fi card.
Procedure to remove and install the TV tuner card.
Steps to remove and install the power supply unit.
Procedure to remove and install the system fan.
Steps to remove and install the heat-sink assembly.
Procedure to remove and install the CPU, including handling precautions.
List of mainboard configurations, their FRU part numbers, and CRU IDs.
List of CPUs, their part numbers, and CRU IDs.
List of RAM modules, their part numbers, and CRU IDs.
List of power cords for various regions, their part numbers, and CRU IDs.
Information for service representatives, including power management and ACPI BIOS.
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