6–22 490778-001 Service Reference Guide
Removal and Replacement Procedures— Microtower (MT) Chassis
6.12 System Board
1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”).
2. Remove the access panel (Section 6.2, “Remove the computer access panel and front bezel
(MT chassis)”).
3. Remove the front bezel (Section 6.2.2, “Front Bezel (MT Chassis)”).
4. Disconnect the power, and data cables from the back of all installed drives.
5. Disconnect all cables from the system board.
6. Remove the heatsink from the system board (Section 6.10, “Heatsink - MT chassis”).
7. Remove the 6 screws that secure the system board to the chassis.
8. Slide the system board towards the front of the chassis then, angle the back of the board up to
remove it.
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The system board in the computer may look slightly different from the one shown here.
To install the system board, reverse the removal procedure..
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