Installing The Internal Usb Key; Power Supply Unit; Removing The Cabled Power Supply Unit - Dell PowerEdge R250 VN927 Installation And Service Manual

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Installing the internal USB key

Prerequisites
1. Follow the safety guidelines listed in the
2. Follow the procedure listed in the
Steps
1. Connect the USB key to the internal USB card.
2. Align the internal USB card with the connector on the system board and press firmly until the internal USB card is seated.
Figure 68. Installing the internal USB key
Next steps
1. Follow the procedure listed in
2. While booting, press F2 to enter System Setup and verify that the system detects the USB memory key.

Power supply unit

NOTE:
While replacing the hot swappable PSU, after next server boot; the new PSU automatically updates to the same
firmware and configuration of the replaced one. For updating to the latest firmware and changing the configuration, see the
Lifecycle Controller User's Guide at https://www.dell.com/idracmanuals.

Removing the cabled power supply unit

Prerequisites
1. Follow the safety guidelines listed in the
2. Follow the procedure listed in the
3.
Remove the air
shroud.
4. Disconnect the system from the electrical outlet.
5. Disconnect all the cables that are connected from the PSU to the system board and the backplane.
Safety
instructions.
Before working inside your
After working inside the
system.
Safety
instructions.
Before working inside your
system.
system.
Installing and removing system components
71

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