System Battery; Replacing The System Battery - Dell PowerEdge XR4520c Installation And Service Manual

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Figure 63. Install the Network I/O board
4. Using the Phillips 2 screwdriver, tighten the blue thumbscrew on the Network I/O Board and ensure it is installed correctly.
CAUTION:
Follow the guiding pin to prevent damage to the Network I/O board.
NOTE:
The numbers on the image do not depict the exact steps. The numbers are for representation of sequence.
Next steps
Follow the procedure listed in

System battery

This is a service technician replaceable part only.

Replacing the system battery

Prerequisites
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. Discard used batteries according to the
manufacturer's instructions. See the Safety instructions that came with your system for more information.
1. Follow the safety guidelines listed in
2. Follow the procedure listed in
Steps
1. To remove the battery:
a. Push the battery holder clip away from the battery.
CAUTION:
To avoid damage to the battery holder clip, ensure that you do not bend the battery holder clip
while installing or removing a battery.
b. Pull the battery out of the battery holder.
NOTE:
Ensure that the + side of the battery is facing the battery holder clip.
After working inside your
Safety
instructions.
Before working inside your
system.
system.
Installing and removing system components
93

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