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Fans
Dell™ Inspiron™ 620s Service Manual
Chassis Fan
Processor Fan and
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
WARNING: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.
WARNING: Do not operate your computer with any cover(s) (including computer covers, bezels, filler brackets,
CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty.
Chassis Fan
Removing the Chassis Fan
CAUTION: Do not touch the fan blades when you are removing the chassis fan, as this could damage the fan.
1.Follow the instructions 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, FAN_SYS1 (see System Board Components).
4.Remove the four screws that secure the chassis fan to the chassis.
5.Slide and lift the chassis fan away from the computer as shown in the illustration.
1 
screws (4) 
2 
chassis fan 
Replacing the Chassis Fan
1.Follow the instructions in Before You Begin.
2.Align the screw holes on the chassis fan with the screw holes on the chassis.
3.Replace the four screws that secure the chassis fan to the chassis.