Dell Precision 3440 Small Form Factor, Руководство по обслуживанию

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Steps
1. Align and place the power-supply unit into the slot on the chassis.
2. Slide the power-supply unit into the slot until it clicks in place.
3. Replace the three screws (M6x32) to secure the power-supply unit to the chassis.
4. Insert the power-supply cables through retention clips and connect it to the connectors on the system board.
5. Place the support bracket into the slot and secure it with the two screws (M6x32).
6. Insert the SATA cables through the retention clip on the support bracket.
Next steps
1. Install the Hard drive and optical drive module
2. Install the Front bezel
3. Install the Side cover
4. Follow the procedure in After working inside your computer .
System fan
Removing the system fan
Prerequisites
1. Follow the procedure in before working inside your computer .
2. Remove the side cover .
3. Remove the front bezel .
4. Remove the Hard drive and optical drive module
About this task
The following images indicate the location of the heat-sink and provide a visual representation of the removal procedure.
Steps
1. Disconnect the fan cable from the connector on the system board.
2. Slide the fan grommets towards the slot on the back of the fan chassis.
3. Lift the system fan from the system.
Installing the system fan
Prerequisites
About this task
The following image indicates the location of the VR heat sink and provides a visual representation of the installation procedure.
Steps
1. Align and place the system fan in the system chassis.
2. Pass the grommets through the chassis and slide outward along the groove to secure it in place.
3. Connect the system fan cable to the system board.
Next steps
1. Install the Hard drive and optical drive module
2. Install the front bezel .
3. Install the side cover .
4. Follow the procedure in after working inside your computer .
50 Disassembly and reassembly