Removing The Power Supply Blank; Installing The Power Supply Blank; System Battery; Replacing The System Battery - Dell PE R720XD Owner's Manual

Removing The Power Supply Blank

CAUTION: To ensure proper system cooling, the power supply blank must be installed in the second power supply
bay in a non-redundant configuration. Remove the power supply blank only if you are installing a second power
supply.
If you are installing a second power supply, remove the power supply blank in the bay by pulling outward on the
blank.
Figure 51. Removing and Installing the Power Supply Blank
1. power supply blank

Installing The Power Supply Blank

NOTE: Install the power supply blank only in the second power supply bay.
To install the power supply blank, align the blank with the power supply bay and insert it into the chassis until it clicks
into place.

System Battery

Replacing The System Battery

WARNING: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with
the same or equivalent type recommended by the manufacturer. See your safety information for additional
information.
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.
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