Table of Contents
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• "Computer stand" on page 51.
• "Rear I/O cover" on page 54.
• "System board shield" on page 55.
• "VESA mount bracket" on page 57.
• "Hard disk drive" on page 59.
• Disconnect the signal and power cable from the optical drive.
Removal steps
Note: Some computer models might not be shipped with an optical drive. In this case, remove the dummy
optical drive bezel first if you want to install a new optical drive.
Screw (quantity)
SCRW M3X4MM*D6 FLH NYLOK(1)
60
M90a Pro Gen4 Hardware Maintenance Manual
Torque
3 ± 0.5 lb/in
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