Dell Inspiron 570 (Late 2009) - Manual (Page 23)

Removing the Chassis Fan
1. Follow the procedures in Before You Begin .
2. Remove the computer cover (see Removing the Computer Cover ).
3. Disconnect the chassis fan cable from the system board connector (see System Board Components ).
4. Remove the two screws that secure the chassis fan to the chassis.
5. Slide the chassis fan towards the front of the computer and lift it out.
Replacing the Chassis Fan
1. Follow the procedures in Before You Begin .
2. Slide the chassis fan in place towards the back of the computer.
3. Replace the two screws that secure the chassis fan to the chassis.
4. Connect the chassis fan cable to the system board connector (see System Board Components ).
5. Replace the computer cover (see Replacing the Computer Cover ).
6. Connect your computer and devices to electrical outlets, and turn them on.
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CAUTION: Do not touch the fan blades when you are removing the chassis fan. This could damage the fan.
1 screws (2) 2 chassis fan