• "Side I/O brackets" on page 74.
• "Main frame" on page 75.
• "Front decoration cover" on page 76.
Removal procedure
LCD bracket and LCD panel
Prerequisite
Before you start, read Generic Safety and Compliance Notices, and print the following instructions.
For access, do the following:
1. 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.
• "Cover presence switch (intrusion switch)" on page 59.
• "Primary hard disk drive" on page 59.
• "Secondary hard disk drive and bracket" on page 61.
• "Optical drive" on page 60.
• "M.2 solid-state drive" on page 63.
• "Memory module" on page 63.
• "Wi-Fi card and Wi-Fi card shield" on page 64.
• "Serial connector module" on page 65.
• "Card reader board" on page 66.
• "GPU card" on page 66.
• "System fan" on page 67.
80
M90a Gen 3 and M90a Pro Gen3 Hardware Maintenance Manual