Dell R520 Computer Drive User Manual


 
5. Remove the non-redundant power supplies from the system.
6. Install the redundant power supply unit divider:
a) Slide the redundant power supply unit divider into the power supply unit cage.
b) Align the power supply unit divider with the notches on the power supply unit cage.
c) Push the power supply unit divider up, and slide it into the power supply unit cage.
d) Install the screw to secure the redundant power supply unit divider to the power supply unit cage.
7. Install the redundant power supplies in the system.
8. Connect the power-distribution cables to the system board, the fan cable to the power-distribution board, and the
power cable to the power-interposer board.
9. Close the system.
10. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
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.
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and
peripherals.
2. Open the system.
Figure 50. Replacing the System Battery
1. system battery
2. battery connector
3. Locate the battery socket.
CAUTION: To avoid damage to the battery connector, you must firmly support the connector while installing or
removing a battery.
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