Dell OptiPlex 7090 Small Form Factor Service Manual - Page 49
Power-supply unit, Removing the power-supply unit
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About this task The following images indicate the location of the power button and provide a visual representation of the installation procedure. Steps 1. Insert the power-button cable into the slot from the front-side of the computer, and press the power-button head until it clicks into the place in the chassis. 2. Align and connect the power-button cable to the connector on the system board. Next steps 1. Install the hard-drive and optical-drive bracket. 2. Install the 2.5/3.5-inch hard-drive caddy. 3. Install the front bezel. 4. Install the side cover. 5. 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 side cover. 3. Remove the 2.5-inch hard-drive assembly. 4. Remove the hard-drive and optical-drive bracket. Removing and installing components 49