Dell OptiPlex XE3 Small Form Factor - Page 58

6 To remove the screws from the system board:
a Remove the screws (5) that secure the system board to the chassis [1].
b Remove the stando single (#6-32) screw [2] and single (M3x5) screw that secures the system board to the system [3].
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Disassembly and reassembly