Figure 175. Installing a power supply unit
Next steps
1. If you have unlatched or removed the cable management accessory, reinstall or relatch it. For information about the cable
management when the PSU is removed or installed while the system is in the rack, see the system’s cable management
accessory documentation at https://www.dell.com/poweredgemanuals.
2. Connect the power cable to the PSU, and plug the cable into a power outlet.
CAUTION: When connecting the power cable to the PSU, secure the cable to the PSU with the strap.
NOTE: When installing hot swapping, or hot adding a new PSU, wait for 15 seconds for the system to recognize the
PSU and determine its status. The PSU redundancy may not occur until discovery is complete. The PSU status indicator
turns green to indicate that the PSU is functioning properly.
Trusted Platform Module
This is a service technician replaceable part only.
Upgrading the Trusted Platform Module
Removing the TPM
Prerequisites
1. Follow the safety guidelines listed in the Safety instructions.
2. Follow the procedure listed in Before working inside your system.
NOTE:
● Ensure the operating system is compatible with the TPM version you are installing.
● Ensure that you download and install the latest BIOS firmware on your system.
● Ensure that the BIOS is configured to enable UEFI boot mode.
CAUTION: The TPM plug-in module is cryptographically bound to that particular system board after it is
installed. When the system is powered on, any attempt to remove an installed TPM plug-in module breaks the
176 Installing and removing system components
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