Dell OptiPlex 7450 All-In-One - Page 33

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NOTE: There is an additional cable retention clip on the side of the VESA mount bracket. The PSU near that is not
visible in the removing cables from retention clips image.
a. Remove the screw that secures the power supply socket to the chassis [1].
b. Slide the socket to remove it from the computer [2].
5. To remove the PSU:
NOTE: Field Engineers to ensure defective Power Supply Unit is returned along with BIST board.
a. Remove the screw that secures the PSU to the chassis [1].
b. Slide the PSU and lift it away from the chassis [2].
Disassembly and reassembly
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