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Removing the Power-Supply
Unit
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
Before Working Inside Your Computer. After working inside your
computer, follow the instructions in After Working Inside Your
Computer. For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.
Prerequisites
1 Remove the stand assembly.
2 Remove the back cover.
3 Remove the system-board shield.
4 Remove the VESA-mount bracket.
5 Remove the power-supply diagnostic board.
6 Remove the I/O bracket.
Procedure
1 Disconnect the main power cable, processor power cable and power-
supply fan cable from the system board.
2 Remove the main power cable, processor power cable and power-supply
fan cable from the routing guides on the display-panel base.
3 Remove the power-port cable from the routing guides on the display-
panel base.
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