Main Frame - Lenovo ThinkCentre M90a Gen 3 Hardware Maintenance Manual

Removal procedure of the side I/O brackets

Main frame

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.
• "Cover presence switch (intrusion switch)" on page 59.
. 75
Chapter 6 Hardware removal and installation