Lenovo ThinkCentre neo 30a 22 Gen 3 Hardware Maintenance Manual page 76

Avoid contact with hot components inside the computer. During operation, some components become hot
enough to burn the skin. Before you open the computer cover, turn off the computer, disconnect power, and
wait approximately 10 minutes for the components to cool.
For access, remove the following parts in order:
• "Power cord and ac power adapter" on page 49.
• "Smart cable clip (for selected models)" on page 49.
• "Hinge cover" on page 50.
• "Computer stand" on page 51.
• "Optical drive" on page 52.
• "Computer cover" on page 53.
• "Hard disk drive" on page 56.
• "Microphone module" on page 59.
• "Speakers" on page 60.
• "Optical drive board" on page 60.
• "Power switch board" on page 61.
• "System board frame" on page 62.
• "M.2 solid-state drive" on page 63.
• "Wi-Fi card" on page 64.
• "Memory module" on page 66.
• "CPU fan" on page 67.
• "Heat sink" on page 68.
• "System board" on page 68.
Removal steps
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