Dell R720XD owner manual Internal USB Memory Key Optional, Installing The Cooling-FanAssembly

Figure 28. Removing and Installing the Cooling-Fan Assembly
1.	cooling-fan assembly	2.	cooling fans (6)
3.	blue release levers (2)	4.	guide pins (2)

5.cooling-fan connectors (6)

Installing The Cooling-Fan Assembly

CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

CAUTION: Ensure that the cables are correctly installed and retained by the cable retention bracket before installing the cooling-fan assembly. Incorrectly installed cables may get damaged.

1.Align the cooling-fan assembly slots with the guide pins on the chassis.

2.Slide the cooling-fan assembly into the chassis.

3.Lock the cooling-fan assembly into the chassis by rotating the blue release levers downward until firmly seated.

4.Close the system.

5.Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.

Internal USB Memory Key (Optional)

An optional USB memory key installed inside your system can be used as a boot device, security key, or mass storage device. The USB connector must be enabled by the Internal USB Port option in the Integrated Devices screen of the System Setup.

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