Dell OptiPlex 7071 Tower Tower Service Manual - Page 42
Power-supply unit, Removing the power-supply unit
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Insert the coin-cell battery into the socket with the positive side (+) labeled facing up and snap the battery in the socket. Next steps 1. Install the multiple graphics cards. 2. Install the left-side cover. 3. Follow the procedure in After working inside your computer. Power-supply unit Removing the power-supply unit Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. 3. Remove the processor fan and heat-sink assembly. 4. Remove the multiple graphics cards. NOTE: Note the routing of all cables as you remove them so that you can route them correctly while you are replacing the power-supply unit. About this task The following images indicate the location of the power-supply unit and provides a visual representation of the removal procedure. 42 Disassembly and reassembly
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