Optical Drive - Lenovo ThinkCentre M90a Gen 3 Hardware Maintenance Manual

• Do not make the internal storage drive subject to physical shocks or vibration. Put the internal storage
drive on a soft material, such as cloth, to absorb physical shocks.
For access, remove the following parts in order, if any:
• "Computer stand" on page 52.
• "Rear I/O cover" on page 56.
• "System board shield" on page 57.
• "VESA mount bracket" on page 58.
Removal procedure

Optical drive

Prerequisite
Before you start, read Generic Safety and Compliance Notices, and print the following instructions.
For access, remove the following parts in order, if any:
• "Computer stand" on page 52.
• "Rear I/O cover" on page 56.
• "System board shield" on page 57.
• "VESA mount bracket" on page 58.
• "Primary hard disk drive" on page 59.
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M90a Gen 3 and M90a Pro Gen3 Hardware Maintenance Manual