Lenovo ThinkCentre M70a Gen 2 Hardware Maintenance Manual page 115

Replacement procedure of the right I/O bracket
For access, remove the following parts in order, if any:
• "Computer stand" on page 64.
• "Rear cover" on page 67.
• "Optical drive" on page 68.
• "Optical drive holder" on page 70
• "System board shield" on page 71.
• "VESA mount bracket cover" on page 73.
• "VESA mount bracket" on page 76.
• "Hard disk drive and bracket" on page 77.
• "M.2 solid-state drive" on page 81.
• "Memory module" on page 85.
• "System fan" on page 88.
• "Heat sink" on page 89.
• "Bump cover" on page 92.
• "Microprocessor" on page 94.
• "Serial connector module" on page 94.
• "Cable cover" on page 96.
• "Wi-Fi card" on page 98.
• "Card reader" on page 102.
• "System board" on page 103.
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Chapter 6 Hardware removal and installation