Dell R820 owner manual Internal USB Memory Key Optional, Installing The Cooling-Fan Assembly

1.	cooling-fan assembly	4.	guide pins (2)
2.	cooling fans (6)	5.	cooling-fan connectors (6)

3.release levers (2)

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.

1.Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and peripherals.

2.Open the system.

3.Orient the cooling-fan assembly in the appropriate direction.

4.Align the slots on the sides of the cooling-fan assembly with the tabs on the system chassis.

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

5.Insert the cooling-fan assembly into the chassis.

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

7.Close the system.

8.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.

To boot from the USB memory key, configure the USB memory key with a boot image and then specify the USB memory key in the boot sequence in the System Setup.

Replacing The Internal USB Key

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.

1.Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and peripherals.

2.Open the system.

3.Remove the expansion-card riser 1.

4.Locate the USB connector / USB key on the system board. To locate the USB connector (USB_INT), see System Board Connectors.

5.If installed, remove the USB key.

6.Insert the USB memory key into the USB connector.

7.Replace the expansion-card riser 1.

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